J L Matson

Summary

Publications

  1. ncbi request reprint Behavior problems: differences among intellectually disabled adults with co-morbid autism spectrum disorders and epilepsy
    Kimberly R M Smith
    Louisiana State University, LA, United States
    Res Dev Disabil 31:1062-9. 2010
  2. doi request reprint Parent training: a review of methods for children with developmental disabilities
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 30:961-8. 2009
  3. doi request reprint The nature and treatment of compulsions, obsessions, and rituals in people with developmental disabilities
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:603-11. 2009
  4. ncbi request reprint Assessing challenging behaviors in children with autism spectrum disorders: a review
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 28:567-79. 2007
  5. ncbi request reprint Mania and intellectual disability: the course of manic symptoms in persons with intellectual disability
    Melissa Gonzalez
    Louisiana State University, LA 70803, USA
    Am J Ment Retard 111:378-83. 2006
  6. ncbi request reprint Depression and mood disorders among persons with Autism Spectrum Disorders
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States Electronic address
    Res Dev Disabil 35:2003-7. 2014
  7. ncbi request reprint The making of a field: the development of comorbid psychopathology research for persons with intellectual disabilities and autism
    Johnny L Matson
    Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70803, United States Electronic address
    Res Dev Disabil 35:234-8. 2014
  8. ncbi request reprint Food selectivity in children with and without an autism spectrum disorder: investigation of diagnosis and age
    Jennifer S Beighley
    Louisiana State University, United States Electronic address
    Res Dev Disabil 34:3497-503. 2013
  9. doi request reprint The moderating effects of intellectual development on core symptoms of autism and PDD-NOS in toddlers and infants
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 34:573-8. 2013
  10. doi request reprint Assessment of the relationship between diagnoses of ASD and caregiver symptom endorsement in adults diagnosed with intellectual disability
    Johnny L Matson
    Louisiana State University, USA
    Res Dev Disabil 34:168-73. 2013

Collaborators

Detail Information

Publications105 found, 100 shown here

  1. ncbi request reprint Behavior problems: differences among intellectually disabled adults with co-morbid autism spectrum disorders and epilepsy
    Kimberly R M Smith
    Louisiana State University, LA, United States
    Res Dev Disabil 31:1062-9. 2010
    ..Implications of these findings in the context of known issues in ID, epilepsy, and ASD, current assessment practices among these populations and associated challenges are discussed...
  2. doi request reprint Parent training: a review of methods for children with developmental disabilities
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 30:961-8. 2009
    ..Thus, parent involvement in treatment implementation is advisable. A substantial literature on parent training for children has therefore emerged. This article reviews recent advances and current trends with respect to this topic...
  3. doi request reprint The nature and treatment of compulsions, obsessions, and rituals in people with developmental disabilities
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:603-11. 2009
    ..The present paper reviews what is available with respect to these treatment approaches with an eye to what appears to be effective, what has been treated and what is yet to be explored from a research point of view...
  4. ncbi request reprint Assessing challenging behaviors in children with autism spectrum disorders: a review
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 28:567-79. 2007
    ..This review covers available empirical based methods for assessing these behaviors. A discussion is provided of potential avenues for future research and clinical practice which is urgently needed for ASD children at this time...
  5. ncbi request reprint Mania and intellectual disability: the course of manic symptoms in persons with intellectual disability
    Melissa Gonzalez
    Louisiana State University, LA 70803, USA
    Am J Ment Retard 111:378-83. 2006
    ..A 3 (group) x 3 (year) ANOVA revealed that the item endorsements differed significantly over time for the bipolar group but not the other groups. Implications of these findings are discussed...
  6. ncbi request reprint Depression and mood disorders among persons with Autism Spectrum Disorders
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States Electronic address
    Res Dev Disabil 35:2003-7. 2014
    ..A great deal of research is still needed to determine how best to assess and treat these disorders within the context of ASD. This manuscript reviews current trends and topics relative to this area of study. ..
  7. ncbi request reprint The making of a field: the development of comorbid psychopathology research for persons with intellectual disabilities and autism
    Johnny L Matson
    Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70803, United States Electronic address
    Res Dev Disabil 35:234-8. 2014
    ..However, research with this population is of recent origin. The purpose of this paper is to review the origins of this field including some of the notable developments and potential future trends. ..
  8. ncbi request reprint Food selectivity in children with and without an autism spectrum disorder: investigation of diagnosis and age
    Jennifer S Beighley
    Louisiana State University, United States Electronic address
    Res Dev Disabil 34:3497-503. 2013
    ..In addition, the ASD groups, when looked at together, showed a decrease in food selectivity across childhood with significant decrease in the Asperger's disorder group. ..
  9. doi request reprint The moderating effects of intellectual development on core symptoms of autism and PDD-NOS in toddlers and infants
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 34:573-8. 2013
    ..Higher developmental level was associated with lower severity of evinced ASD symptoms in the sample...
  10. doi request reprint Assessment of the relationship between diagnoses of ASD and caregiver symptom endorsement in adults diagnosed with intellectual disability
    Johnny L Matson
    Louisiana State University, USA
    Res Dev Disabil 34:168-73. 2013
    ..The items which were most likely to distinguish individuals with ASD were in socialization domain. Furthermore, adults with ASD were more likely to be male and to be non-verbal...
  11. ncbi request reprint Factor structure of the Matson Evaluation of Social Skills with Youngsters-II (MESSY-II)
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 33:2067-71. 2012
    ..Based on factor analysis, a three factor model was found to be ideal. Implications of these findings are discussed...
  12. doi request reprint How does relaxing the algorithm for autism affect DSM-V prevalence rates?
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    J Autism Dev Disord 42:1549-56. 2012
    ..Children diagnosed with the DSM-5 criteria exhibited the greatest levels of autism symptomatology, but the Mod-1, Mod-2, and DSM-IV groups still demonstrated significant impairments. Implications of these findings are discussed...
  13. doi request reprint DSM-IV vs DSM-5 diagnostic criteria for toddlers with autism
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Dev Neurorehabil 15:185-90. 2012
    ..To evaluate prevalence rates of autism and autism symptomatology in toddlers using DSM-IV vs DSM-5 criteria...
  14. ncbi request reprint How do researchers define self-injurious behavior?
    Johnny L Matson
    Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 33:1021-6. 2012
    ..We also describe different assessment/testing methods which aid in defining this phenomenon. The implications of these data for research and clinical practice are discussed...
  15. doi request reprint The Questions About Behavioral Function (QABF): current status as a method of functional assessment
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 33:630-4. 2012
    ..The most extensively studied of these scales to date is the Questions About Behavioral Function (QABF). This paper reviews the available research on this scale, its current status, and future directions...
  16. doi request reprint Stereotypies and repetitive/restrictive behaviours in infants with autism and pervasive developmental disorder
    Johnny L Matson
    Psychology Department, Louisiana State University, Baton Rouge, 70816, USA
    Dev Neurorehabil 12:122-7. 2009
    ..Stereotypies and repetitive behaviours constitute core features of ASD and markedly impede attempts to remediate the disorder. Little previous research has examined characteristics of the core features of ASD in infants...
  17. ncbi request reprint Cutoffs, norms, and patterns of comorbid difficulties in children with developmental disabilities on the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT-Part 2)
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:1221-8. 2009
    ..Implications of this scale and these data for early identification of behavior disorders in atypically developing children are discussed...
  18. ncbi request reprint Encopresis, soiling and constipation in children and adults with developmental disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:799-807. 2009
    ..Furthermore, classical and operant treatment methods appear to be the best supported interventions for most cases. Strengths and weaknesses of the current research base are discussed along with potential avenues for future research...
  19. doi request reprint The convergent and divergent validity of the Matson Evaluation of Drug Side-effects (MEDS) and the Dyskinesia Identification System: Condensed User Scale (DISCUS)
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    J Intellect Dev Disabil 33:337-44. 2008
    ....
  20. doi request reprint Characteristics of challenging behaviours in adults with autistic disorder, PDD-NOS, and intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    J Intellect Dev Disabil 33:323-9. 2008
    ..A better understanding of which individuals display which behaviours, at what rates, and the relationship of these behaviours to comorbid psychopathology would have important implications...
  21. doi request reprint An overview of developments in research on persons with intellectual disabilities
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:587-91. 2009
    ..Genetics was by far the most frequently studied topic. The implication of these and related trends in the literature are discussed...
  22. doi request reprint Psychotropic medication use for challenging behaviors in persons with intellectual disabilities: an overview
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:572-86. 2009
    ..Considering alternative psychologically based interventions and careful functional assessments appear to be advisable...
  23. doi request reprint Factors associated with the Questions About Behavior Function for functional assessment of low and high rate challenging behaviors in adults with intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Behav Modif 33:207-19. 2009
    ..High rate behaviors were reliable, but reliability of QABF functions varied with respect to the challenging behavior assessed. Individual items had higher interrater reliability for aggression compared to self-injury...
  24. ncbi request reprint Autism in adults with severe intellectual disability: an empirical study of symptom presentation
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    J Intellect Dev Disabil 33:36-42. 2008
    ..The present study represents a first attempt to describe symptom patterns of autism for adults with severe ID...
  25. doi request reprint Rett syndrome in adults with severe intellectual disability: exploration of behavioral characteristics
    Johnny L Matson
    Department of Psychology, Louisiana State University, 324 Audubon Hall, Baton Rouge, LA 70803, USA
    Eur Psychiatry 23:460-5. 2008
    ..Rett syndrome adults with severe ID were matched to autistic adults with ID and ID only controls. The implications of these data for more fully describing and diagnosing the condition in adults are discussed...
  26. doi request reprint Antipsychotic drugs for aggression in intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Lancet 371:9-10. 2008
  27. ncbi request reprint Cutoff scores for the Matson Evaluation of Social Skills for Individuals With Severe Retardation (MESSIER) for adults with intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Behav Modif 32:109-20. 2008
    ..Participants are adults with severe or profound ID, assessed on the MESSIER. Specific psychometrics for the test including cutoff scores are established. The implications of these data for theory, research, and practice are discussed...
  28. ncbi request reprint The validity of the autism spectrum disorders-diagnosis for intellectually disabled adults (ASD-DA)
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 29:537-46. 2008
    ..Additionally, discriminant validity was demonstrated by comparing the ASD-DA to items from the DASH-II (measure of general psychopathology). The implications of these data are discussed...
  29. ncbi request reprint PDD-NOS symptoms in adults with intellectual disability: toward an empirically oriented diagnostic model
    Johnny L Matson
    Department of Psychology, Louisiana State University, 234 Audubon Hall, Baton Rouge, LA 70803, USA
    J Autism Dev Disord 38:530-7. 2008
    ..This study is an attempt to provide systematic empirical data to describe the condition of PDD-NOS in adults with ID. The implication of these data for diagnosis and future research are discussed...
  30. ncbi request reprint Examination of adaptive behavior differences in adults with autism spectrum disorders and intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:1317-25. 2009
    ..As such, accurately identifying the causes of adaptive skill deficits will likely result in more precise and effective treatment...
  31. ncbi request reprint Intellectual disability and its relationship to autism spectrum disorders
    Johnny L Matson
    Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:1107-14. 2009
    ..Current status and future directions for better understanding these two covarying disorders was reviewed along with a discussion of relevant strengths and weaknesses of the current body of research...
  32. doi request reprint Risk factors for tardive dyskinesia in adults with intellectual disability, comorbid psychopathology, and long-term psychotropic use
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 31:108-16. 2010
    ..The current study seeks to expand the literature related to TD utilizing a measure of medication side effects, the Matson evaluation of drug side effects (MEDS). Results and implications for assessment and practice are discussed...
  33. doi request reprint Person characteristics of individuals in functional assessment research
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 32:621-4. 2011
    ..Conversely, functional analysis scales were used in far fewer studies, but with much larger sample sizes. Thus, relatively equal numbers of individuals have been studied with both methods...
  34. ncbi request reprint Psychopathology and intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, Louisiana 70803, USA
    Curr Opin Psychiatry 24:367-71. 2011
    ..This topic is of considerable importance to mental health professionals as rates of psychopathology are much higher for persons with intellectual disabilities relative to the general population...
  35. doi request reprint What is the evidence for environmental causes of challenging behaviors in persons with intellectual disabilities and autism spectrum disorders?
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 32:693-8. 2011
    ..However, to date the empirical literature is limited with the bulk of studies being correlational. Considerably more research is needed, but some causes and methods to identify them are beginning to emerge...
  36. ncbi request reprint The effects of inattention/impulsivity and ASD symptom severity on social skills in toddlers
    Johnny L Matson
    Psychology, Louisiana State University, 3333 Woodlandridge Blvd, Baton Rouge, LA 70816, USA
    Dev Neurorehabil 13:408-12. 2010
    ..The aim of the current study was to examine the effects of symptom severity of ASD and symptom severity of inattention and impulsivity in toddlers to determine the potential impact on social skills...
  37. doi request reprint Assessment of toileting difficulties in adults with intellectual disabilities: an examination using the profile of toileting issues (POTI)
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 32:176-9. 2011
    ..The purpose of the current study was to examine the reliability of the POTI. Internal consistency was sound (α = .83) and interrater reliability was significant. The implications of these findings are included...
  38. doi request reprint Reliability and validity of the Matson Evaluation of Social Skills with Youngsters
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Behav Modif 34:539-58. 2010
    ..Psychometric properties for the older age cohorts were stronger and more consistent than those for the 2- to 5-year-olds. This reflects the variability of development and difficulty of assessing social skills at this young age...
  39. ncbi request reprint The effect of seizure disorder on symptom presentation in atypically developing children and children with autism spectrum disorders based on the BDI-2
    Johnny L Matson
    Psychology, Louisiana State University, Baton Rouge, LA 70816, USA
    Dev Neurorehabil 13:310-4. 2010
    ..The purpose of the current study was to examine the effect that seizure disorder has on symptom presentation in children with autism spectrum disorders as compared to atypically developing children...
  40. doi request reprint Developmental milestones in toddlers with autistic disorder, pervasive developmental disorder--not otherwise specified and atypical development
    Johnny L Matson
    Louisiana State University, Psychology, 3333 Woodlandridge Blvd, Baton Rouge, LA 70816, USA
    Dev Neurorehabil 13:239-47. 2010
    ..To investigate age differences in developmental milestone attainment among toddlers with Autistic Disorder, PDD-NOS and atypical development...
  41. doi request reprint Developmental profiles from the Battelle developmental inventory: a comparison of toddlers diagnosed with Down Syndrome, global developmental delay and premature birth
    Johnny L Matson
    Louisiana State University, Baton Rouge, LA 70803, USA
    Dev Neurorehabil 13:234-8. 2010
    ..Developmental profiles and milestone attainment have been examined for children suffering from various developmental disabilities. However, research comparing the same across numerous developmental disabilities is scant...
  42. doi request reprint Antipsychotic drug side effects for persons with intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 31:1570-6. 2010
    ..Symptom patterns and a focus on additional research are discussed. While progress has been made, more and more systematic methods to research these problems are necessary...
  43. doi request reprint What symptoms predict the diagnosis of autism or PDD-NOS in infants and toddlers with developmental delays using the Baby and Infant Screen for aUtIsm Traits
    Johnny L Matson
    Louisiana State University, Baton Rouge, 70816, USA
    Dev Neurorehabil 12:381-8. 2009
    ..It is for this reason that assessments designed specifically for early identification of ASD are of paramount important...
  44. ncbi request reprint The validity of the Baby and Infant Screen for Children with aUtIsm Traits: Part 1 (BISCUIT: Part 1)
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    J Autism Dev Disord 41:1139-46. 2011
    ..Additionally, divergent validity was demonstrated by its small correlation with the Adaptive and Motor domains from the BDI-2...
  45. ncbi request reprint Children with autism spectrum disorders: a comparison of those who regress vs. those who do not
    Johnny L Matson
    Louisiana State University, Psychology, Baton Rouge, LA 70803, USA
    Dev Neurorehabil 13:37-45. 2010
    ..One of the most important, yet least studied, of these factors is developmental regression...
  46. ncbi request reprint Cut-offs, norms and patterns of problem behaviours in children with developmental disabilities on the Baby and Infant Screen for Children with aUtIsm Traits (BISCUIT-Part 3)
    Johnny L Matson
    Louisiana State University, Psychology, Baton Rouge, LA 70816, USA
    Dev Neurorehabil 13:3-9. 2010
    ..Challenging behaviours present major impediments to a young child's life. Being able to properly assess these behaviours can lead to early intervention and remediation...
  47. doi request reprint Effect of developmental quotient on symptoms of inattention and impulsivity among toddlers with Autism Spectrum Disorders
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 31:464-9. 2010
    ..Percent endorsement of impairment of symptoms relating to inattention and impulsivity for the low and typical developmental quotient groups is also listed. Implications of the results are also discussed...
  48. doi request reprint Behaviors and corresponding functions addressed via functional assessment
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 32:625-9. 2011
    ..The most commonly identified functions for both SIB and aggressions were attention and escape/demands. The implications of these and other data complied on target behaviors and maintaining variables are discussed...
  49. ncbi request reprint Cutoff scores, norms and patterns of feeding problems for the Screening Tool of fEeding Problems (STEP) for adults with intellectual disabilities
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 29:363-72. 2008
    ..The present study reports on the STEP and the development of cutoff scores and norms for the scale. Possible applications of these data for real world problems of person with ID are discussed...
  50. ncbi request reprint The effects of intellectual functioning on the range of core symptoms of autism spectrum disorders
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 29:341-50. 2008
    ..As expected, persons with ID alone evinced far fewer symptoms than both these groups. IQ level was found to be a moderator for expression of ASD symptoms for the entire sample but not for the autism group...
  51. ncbi request reprint Comorbid psychopathology with autism spectrum disorder in children: an overview
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 28:341-52. 2007
    ..A brief discussion of the implications for treatment is also provided...
  52. ncbi request reprint The development and factor structure of the Functional Assessment for multiple causaliTy (FACT)
    Johnny L Matson
    Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70803 5501, USA
    Res Dev Disabil 24:485-95. 2003
    ..In the present study, we describe the factor structure and internal consistency of the FACT. Suggestions are provided for future validation strategies...
  53. ncbi request reprint Determining treatment outcome in early intervention programs for autism spectrum disorders: a critical analysis of measurement issues in learning based interventions
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 28:207-18. 2007
    ..Obviously, this set of measures is crucial since these methods define which behaviors "improved" and to what extent. The present review analyzes the current status, strengths, and weaknesses of these measurements...
  54. ncbi request reprint Current status of differential diagnosis for children with autism spectrum disorders
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 28:109-18. 2007
    ..The purpose of this paper is to provide an overview of some of these developments, and to offer opinions on the current status of the area...
  55. ncbi request reprint An analysis of Snoezelen equipment to reinforce persons with severe or profound mental retardation
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 25:89-95. 2004
    ..Types of Snoezelen equipment which were most often approached and most reinforcing for these persons were identified. Implications of the findings for future assessment and treatment are discussed...
  56. ncbi request reprint An evaluation of social and adaptive skills in adults with bipolar disorder and severe/profound intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 27:681-7. 2006
    ..The implications of these data are discussed for a better understanding of bipolar disorder in persons with intellectual disability...
  57. ncbi request reprint The reliability of the Scale for the Evaluation and Identification of Seizures, Epilepsy, and Anticonvulsant Side Effects-B (SEIZES B)
    Johnny L Matson
    Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, 70803 5501, USA
    Res Dev Disabil 26:593-9. 2005
    ..The SEIZES B had moderately high stability across raters and adequate stability over time. Implications of these data for future research and practice are discussed...
  58. ncbi request reprint The effects of antiepileptic medications on the social skills of individuals with mental retardation
    Johnny L Matson
    Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70803 5501, USA
    Res Dev Disabil 25:219-28. 2004
    ..MESSIER scores of each medication group were compared to its respective control group. Those individuals receiving phenytoin presented less positive social skills than their matched counterparts in the phenytoin-control group...
  59. ncbi request reprint Clinical psychology Ph.D. program rankings: evaluating eminence on faculty publications and citations
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, 70803, USA
    Res Dev Disabil 26:503-13. 2005
    ..The most frequently published core clinical faculty across 157 APA-approved clinical programs are listed. The implications of these data are discussed...
  60. ncbi request reprint Classifying mental retardation and specific strength and deficit areas in severe and profoundly mentally retarded persons with the MESSIER
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 26:41-5. 2005
    ..The implications of these data in using the MESSIER for classification and treatment planning are discussed...
  61. ncbi request reprint The behavioral function of feeding problems as assessed by the questions about behavioral function (QABF)
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803 5501, USA
    Res Dev Disabil 26:399-408. 2005
    ..Behavior functions most commonly associated with problematic feeding behaviors were identified. The results extend upon previous literature describing behavioral function of feeding problems for those with mental retardation...
  62. doi request reprint Replacement behaviors for identified functions of challenging behaviors
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 32:681-4. 2011
    ..Researchers proved to be very creative. Forty different treatment methods were employed. The implications of these data are discussed...
  63. ncbi request reprint Functional assessment of challenging behavior: toward a strategy for applied settings
    Johnny L Matson
    Department of Psychology, Louisiana State University, 236 Audubon Hall Baton Rouge, LA 70803 5501, USA
    Res Dev Disabil 28:353-61. 2007
    ..Implication of the functional assessment research for clinical practice are discussed along with strengths and weakness of the current technology...
  64. ncbi request reprint Assessing side effects of pharmacotherapy treatment of bipolar disorder: a 20-year review of the literature
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70816, USA
    Res Dev Disabil 27:467-500. 2006
    ..Summaries of relevant drug side-effect assessment practices are presented and future research directions are suggested...
  65. ncbi request reprint A validity study on the Questions About Behavioral Function (QABF) Scale: predicting treatment success for self-injury, aggression, and stereotypies
    J L Matson
    Department of Psychology, Louisiana State University, Baton Rouge 70803 5501, USA
    Res Dev Disabil 20:163-75. 1999
    ..Implications of the present findings for assessing and treating maladaptive behaviors are discussed...
  66. ncbi request reprint Characteristics of depression as assessed by the Diagnostic Assessment for the Severely Handicapped-II (DASH-II)
    J L Matson
    Department of Psychology, Louisiana State University, Baton Rouge 70803, USA
    Res Dev Disabil 20:305-13. 1999
    ..These "core," peripheral, or associated features of depression were identified. Implications of the findings for describing and defining depression in these persons are discussed...
  67. ncbi request reprint The relationship of self-injurious behavior and other maladaptive behaviors among individuals with severe and profound intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, Audubon Hall, Baton Rouge, LA 70803 5501, USA
    Res Dev Disabil 29:141-8. 2008
    ..8% of the sample into their respective group memberships. Implications of these findings are discussed...
  68. ncbi request reprint What symptoms predict the diagnosis of mania in persons with severe/profound intellectual disability in clinical practice?
    J L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    J Intellect Disabil Res 51:25-31. 2007
    ..The aim of this study was to identify what symptoms can predict a diagnosis of mania in the intellectually disabled population...
  69. ncbi request reprint The relationship between behaviour motivation and social functioning in persons with intellectual impairment
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge 70803 5501, USA
    Br J Clin Psychol 41:175-84. 2002
    ..To assess the social functioning of individuals with severe and profound intellectual impairment who displayed maladaptive behaviour for one particular reason, as assessed by a functional analysis checklist...
  70. ncbi request reprint Tardive dyskinesia associated with metoclopramide in persons with developmental disabilities
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge 70803, USA
    Res Dev Disabil 23:224-33. 2002
    ..Comparisons between all three groups on one testing occasion revealed a significant difference between groups. The no psychotropic control group showed significantly less TD symptomology than the antipsychotic or metoclopramide groups...
  71. ncbi request reprint A system of assessment for adaptive behavior, social skills, behavioral function, medication side-effects, and psychiatric disorders
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 24:75-81. 2003
    ..We describe a method of assessment that operates within these constraints using informant-based measures that assess adaptive and maladaptive behavior, psychiatric disorders, behavior function, and medication side-effects...
  72. ncbi request reprint Psychopharmacology research for individuals with mental retardation: methodological issues and suggestions
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 24:149-57. 2003
    ..Thus, we have detailed suggestions to improve the quality of future medication studies and avoid the methodological problems that prevent the scientific advancement of psychopharmacological research among individuals with MR...
  73. ncbi request reprint The relationship between food refusal and social skills in persons with intellectual disabilities
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    J Intellect Dev Disabil 31:47-52. 2006
    ..Feeding problems are common among individuals with intellectual disabilities. The aim of the current study was to determine the relationship between food refusal and social skills in people with intellectual disability...
  74. ncbi request reprint Validity of the sleep subscale of the Diagnostic Assessment for the Severely Handicapped-II (DASH-II)
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, 70803, USA
    Res Dev Disabil 27:85-92. 2006
    ..Four of the five items of the DASH-II were shown to have external validity. Implications of these findings for future research and practice are discussed...
  75. ncbi request reprint Tardive dyskinesia and intellectual disability: an examination of demographics and topography in adults with dual diagnosis and atypical antipsychotic use
    Jill C Fodstad
    Louisiana State University, Baton Rouge, LA 70803, United States
    Res Dev Disabil 31:750-9. 2010
    ..Results and implications for assessment and practice are discussed...
  76. ncbi request reprint The relationship of comorbid problem behaviors to social skills in persons with profound mental retardation
    Johnny L Matson
    Department of Psychology, Louisiana State University, USA
    Behav Modif 30:496-506. 2006
    ....
  77. doi request reprint Social and communication behaviours in infants and toddlers with autism and pervasive developmental disorder-not otherwise specified
    Jill C Fodstad
    Louisiana State University, Psychology, Gonzales, USA
    Dev Neurorehabil 12:152-7. 2009
    ..Few researchers have examined characteristics of social skills and communication in infants with ASD...
  78. doi request reprint Behaviour problems in institutionalised people with intellectual disability and schizophrenia spectrum disorders
    Ryan T Thorson
    Louisiana State University, Baton Rouge, LA 70803, USA
    J Intellect Dev Disabil 33:316-22. 2008
    ..In addition, little is known about the relationship between behaviour problems and psychopathology in this population...
  79. doi request reprint Factor structure and diagnostic fidelity of the Baby and Infant Screen for Children with aUtIsm Traits-Part 1 (BISCUIT-part 1)
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, Louisiana 70803, USA
    Dev Neurorehabil 13:72-9. 2010
    ..The aim of this study was to identify the factor structure of BISCUIT-Part 1 and investigate group differences with regards to these factors...
  80. ncbi request reprint Comorbid psychopathology in adults with Autism Spectrum Disorders and intellectual disabilities
    Santino V Lovullo
    Department of Psychology, Louisiana State University, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:1288-96. 2009
    ..The second is to compare the frequency of symptom endorsements on the ASD-CA among three groups: individuals with ID; individuals with ID and ASD; and individuals with ID, ASD, and additional psychopathology...
  81. ncbi request reprint Assessment of feeding and mealtime behavior problems in persons with mental retardation
    David E Kuhn
    Louisiana State University, USA
    Behav Modif 28:638-48. 2004
    ..This article discusses the role of the various disciplines, and the types of behavioral assessments that are currently being utilized by clinicians and researchers...
  82. ncbi request reprint Mania and behavioral equivalents: a preliminary study
    Peter Sturmey
    Department of Psychology, Queens College, and The Graduate Center, City University of New York, United States
    Res Dev Disabil 31:1008-14. 2010
    ..There may be some challenging behaviors that are related to mania in individuals with ID. A factor analysis noted a decreased need for sleep, restlessness, agitation, and irritability as items associated with mania...
  83. ncbi request reprint Identifying feeding problems in mentally retarded persons: development and reliability of the screening tool of feeding problems (STEP)
    J L Matson
    Department of Psychology, Louisiana State University, Baton Rouge 70803, USA
    Res Dev Disabil 22:165-72. 2001
    ..The current study describes the construction of this scale, provides psychometric data including test-retest and cross rater reliability, and factor analysis data...
  84. ncbi request reprint Assessment of seizures and related symptomatology in persons with mental retardation
    Erik A Mayville
    Louisiana State University, USA
    Behav Modif 28:678-93. 2004
    ..This article reviews this assessment methodology and discusses the extant issues in establishing and proliferating such approaches...
  85. ncbi request reprint Psychopathology: differences among adults with intellectually disabled, comorbid autism spectrum disorders and epilepsy
    Kimberly R M Smith
    Department of Psychology, Louisiana State University, United States
    Res Dev Disabil 31:743-9. 2010
    ..Implications of these findings elucidate the nature of these disorders and their influence on patient care and management...
  86. ncbi request reprint Correlates of restraint use in an institutional population: a replication
    P Sturmey
    Graduate Center and School of Psychology, Queens College, City University of New York, New York, USA
    J Intellect Disabil Res 49:501-6. 2005
    ..Reducing inappropriate restraint is an important mission of services for people with intellectual disabilities (IDs)...
  87. ncbi request reprint Psychopharmacology and mental retardation: a 10 year review (1990-1999)
    J L Matson
    Department of Psychology, Louisiana State University, Baton Rouge 70803 5501, USA
    Res Dev Disabil 21:263-96. 2000
    ..Implications of our review are discussed...
  88. ncbi request reprint The relationship of social skills as measured by the MESSIER to rumination in persons with profound mental retardation
    D E Kuhn
    Louisiana State University, Department of Psychology, Baton Rouge 70803, USA
    Res Dev Disabil 22:503-10. 2001
    ..Controls scored significantly better on the general positive subscale than persons with rumination, although no differences in negative behaviors was noted across groups. Implications of these data are discussed...
  89. ncbi request reprint Characteristics of schizophrenia among persons with severe or profound mental retardation
    K E Cherry
    Department of Psychiatry, Louisiana State University, Baton Rouge 70803 5501, USA
    Psychiatr Serv 51:922-4. 2000
    ..Symptoms of schizophrenia among those in the first group were found to fall mainly into the categories of reality distortion and disorganization, with less evidence of negative symptoms...
  90. ncbi request reprint Seizure disorders in people with intellectual disability: an analysis of differences in social functioning, adaptive functioning and maladaptive behaviours
    J L Matson
    Department of Psychology, Louisiana State University, Baton Rouge 70803 5501, USA
    J Intellect Disabil Res 43:531-9. 1999
    ..Additionally, patterns of maladaptive behaviours were identified for individuals with seizure disorders and found to be similar to those found in people without seizure activity. The implications of the present findings are discussed...
  91. pmc An evaluation of two methods for increasing self-initiated verbalizations in autistic children
    J L Matson
    Department of Psychology, Louisiana State University, Baton Rouge 70803 5501
    J Appl Behav Anal 26:389-98. 1993
    ..Both treatments were effective, with no differences in measures of acquisition of target phrases, maintenance of behavioral gains, acquisition with additional therapists and settings, and social validity...
  92. pmc Increasing spontaneous language in three autistic children
    J L Matson
    Department of Psychology, Louisiana State University, Baton Rouge 70803
    J Appl Behav Anal 23:227-33. 1990
    ..These gains were validated socially with 10 adults. Furthermore, increases in appropriate language had no effect on levels of inappropriate speech...
  93. ncbi request reprint The effect of Autism Spectrum Disorders on adaptive independent living skills in adults with severe intellectual disability
    Johnny L Matson
    Department of Psychology, Louisiana State University, 236 Audubon Hall, Baton Rouge, LA 70803, USA
    Res Dev Disabil 30:1203-11. 2009
    ..The implications of these data for more fully describing and diagnosing autism and PDD-NOS in adults are discussed...
  94. ncbi request reprint The relation of social behaviours and challenging behaviours in infants and toddlers with Autism Spectrum Disorders
    Johnny L Matson
    Psychology, Louisiana State University, Psychology, Baton Rouge, 70816, USA
    Dev Neurorehabil 13:164-9. 2010
    ..The relationship that these challenging behaviours have with core features of ASD, specifically social behaviours, was examined in this study...
  95. ncbi request reprint Multiple versus single maintaining factors of challenging behaviours as assessed by the QABF for adults with intellectual disabilities
    Johnny L Matson
    Louisiana State University, LA 70803, USA
    J Intellect Dev Disabil 32:39-44. 2007
    ..However, for adults who have a long history of challenging behaviours, identifying one clear function of the maladaptive behaviour is difficult. Additionally, the person may develop multiple functions of their maladaptive behaviour...
  96. ncbi request reprint A review of behavioral treatments for self-injurious behaviors of persons with autism spectrum disorders
    Johnny L Matson
    Department of Psychology, Louisiana State University, Baton Rouge, USA
    Behav Modif 32:61-76. 2008
    ..These issues are discussed along with other strengths, weaknesses, and future directions for clinical practice and treatment...
  97. ncbi request reprint Social-skills treatments for children with autism spectrum disorders: an overview
    Johnny L Matson
    Louisiana State University, LA, USA
    Behav Modif 31:682-707. 2007
    ..However, large-scale group studies and comparisons of different training strategies are almost nonexistent. These trends and their implications for future research aimed at filling gaps in the existing literature are discussed...
  98. ncbi request reprint The Aberrant Behavior Checklist and the Behavior Problems Inventory: convergent and divergent validity
    Johannes Rojahn
    George Mason University, Center for Cognitive Development, 4400 University Drive, MSN 2C6, Fairfax, VA 22030, USA
    Res Dev Disabil 24:391-404. 2003
    ..Thus, the ABC and the BPI cross-validated one another where expected, and they diverged for subscales thought to have little relationship...
  99. ncbi request reprint The internal consistency and factor structure of the Choice Assessment Scale
    Peter Sturmey
    Department of Psychology, City University of New York, Flushing, NY 62901 4609, USA
    Res Dev Disabil 24:317-22. 2003
    ..Future directions in the development of measures of potential reinforcers are discussed...
  100. ncbi request reprint Relationships between psychiatric conditions and behavior problems among adults with mental retardation
    Johannes Rojahn
    Center for Cognitive Development, George Mason University, Fairfax, VA 22030 4444, USA
    Am J Ment Retard 109:21-33. 2004
    ..Stereotyped Behavior factor was independent of the Self-Injury/Aggression/Destruction factor...
  101. ncbi request reprint Questions about behavioral function in mental illness (QABF-MI): a behavior checklist for functional assessment of maladaptive behavior exhibited by individuals with mental illness
    Nirbhay N Singh
    ONE Research Institute, Midlothian, VA 23112, USA
    Behav Modif 30:739-51. 2006
    ....