Research Topics
| Robert F FerdinandSummaryAffiliation: Erasmus MC Country: The Netherlands Publications
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Detail Information
Publications
Cannabis use predicts future psychotic symptoms, and vice versaRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam Sophia Children s Hospital, Rotterdam, Netherlands
Addiction 100:612-8. 2005..To assess if cannabis use is a risk factor for future psychotic symptoms, and vice versa, in adolescents and young adults from the general population...- Screening capacity of the Multidimensional Anxiety Scale for Children (MASC) for DSM-IV anxiety disordersWillemijn van Gastel
Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Sophia Children s Hospital, Rotterdam, The Netherlands
Depress Anxiety 25:1046-52. 2008..The Multidimensional Anxiety Scale for Children (MASC) is a widely used self-report questionnaire for the assessment of anxiety symptoms in children and adolescents... - HPA-axis activity as a predictor of future disruptive behaviors in young adolescentsFrouke E P L Sondeijker
Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
Psychophysiology 45:398-404. 2008.... - Multiple complex developmental disorder delineated from PDD-NOSEsther I de Bruin
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam Sophia Children s Hospital, Dr Molewaterplein 60, 3015, Rotterdam, and Department of Psychiatry, University Medical Center, Groningen, The Netherlands
J Autism Dev Disord 37:1181-91. 2007..MCDD was associated with anxiety disorders, disruptive behavior, and psychotic thought problems. PDD-NOS was associated with deficits in social contact. MCDD differs from autistic disorder, and can also be delineated from PDD-NOS... - Developmental trajectories of depressive symptoms from early childhood to late adolescence: gender differences and adult outcomeMarielle C Dekker
Department of Child and Adolescent Psychiatry, Erasmus MC Sophia Children s Hospital, Rotterdam, The Netherlands
J Child Psychol Psychiatry 48:657-66. 2007..Limited information is available on gender differences and young-adult poor outcome in children and adolescents following distinct developmental trajectories of depressive symptoms... - Maternal depressive symptoms, and not anxiety symptoms, are associated with positive mother-child reporting discrepancies of internalizing problems in children: a report on the TRAILS studySonja L M van der Toorn
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam, Sophia Children s Hospital, Dr Molewaterplein 60, 3015 GJ, Rotterdam, The Netherlands
Eur Child Adolesc Psychiatry 19:379-88. 2010..Studies concerning long term consequences of mother-child reporting discrepancies on child's internalizing problems are few, but show a risk for adverse outcome. More prognostic research is needed... - Testing the tripartite model in young adolescents: is hyperarousal specific for anxiety and not depression?Kirstin Greaves Lord
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam, Sophia Children s Hospital, Dr Molewaterplein 60, 3015 GJ, Rotterdam, The Netherlands
J Affect Disord 102:55-63. 2007..e. autonomic hyperactivity) is specific for anxiety and not depression. Research on the relation between anxiety, depression and physiological measures representing arousal is lacking... - Cannabis--psychosis pathway independent of other types of psychopathologyRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam Sophia Children s Hospital, Dr Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands
Schizophr Res 79:289-95. 2005..To investigate if associations between cannabis use and psychotic symptoms occur independently, or occur as a consequence of previous-other types of-psychopathology... - Autistic features in girls from a psychiatric sample are strongly associated with a low 2D:4D ratioEsther I de Bruin
Erasmus Medical Center, Sophia Children s Hospital, Department of Child and Adolescent Psychiatry, Rotterdam, The Netherlands
Autism 13:511-21. 2009..51 to r = -0.64) were found in the left hand. A low 2D:4D ratio in girls was highly predictive of the presence of autistic features. Thus, a low ratio could possibly be used as a diagnostic predictor in clinical practice... - Validity of the CBCL/YSR DSM-IV scales Anxiety Problems and Affective ProblemsRobert F Ferdinand
Erasmus Medical Center Rotterdam Sophia Children s Hospital, Department of Child and Adolescent Psychiatry, Dr Molewaterplein 60 P O Box 2060, 3000 CB Rotterdam, The Netherlands
J Anxiety Disord 22:126-34. 2008..Fairly recently, new 'DSM-IV scales' designated Anxiety Problems and Affective Problems were developed. Knowledge about the validity of these scales is needed... - Differences in finger length ratio between males with autism, pervasive developmental disorder-not otherwise specified, ADHD, and anxiety disordersEsther I de Bruin
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam/Sophia Children's Hospital, Rotterdam, The Netherlands
Dev Med Child Neurol 48:962-5. 2006..Males with anxiety disorders might have been exposed to lower prenatal testosterone levels... - Predicting anxiety diagnoses with the Youth Self-ReportRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Erasmus Medical Centre Sophia Children s Hospital, Rotterdam, The Netherlands
Depress Anxiety 24:32-40. 2007..Testing empirically which YSR items predict DSM-IV diagnoses may enhance the usefulness of the YSR for predicting anxiety disorders in clinical practice... - Predictors of future depression in early and late adolescenceNatasja D J van Lang
Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
J Affect Disord 97:137-44. 2007..In addition, it examined which depressive symptoms in early and late adolescence predicted future depressive disorder most accurately... - Long-term associations of childhood suicide ideationCatherine M Herba
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam Sophia Children s Hospital, Rotterdam, The Netherlands
J Am Acad Child Adolesc Psychiatry 46:1473-81. 2007..We investigated in a prospective longitudinal population-based study whether childhood suicide ideation is associated with negative mental health outcome in adulthood... - Victimization and suicide ideation in the TRAILS study: specific vulnerabilities of victimsCatherine M Herba
Department of Child and Adolescent Psychiatry, Erasmus University Medical Center Sophia Children s Hospital, Rotterdam, Netherlands
J Child Psychol Psychiatry 49:867-76. 2008..We examine whether (1) parental psychopathology and (2) feelings of rejection (at home and at school) exacerbate vulnerability to suicide ideation in victims of bullying (pure victims and bully-victims)... - Face and emotion recognition in MCDD versus PDD-NOSCatherine M Herba
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Sophia Children s Hospital Rotterdam, Rotterdam, The Netherlands
J Autism Dev Disord 38:706-18. 2008..No significant group differences emerged for identifying facial expressions... - Early childhood adversities and trajectories of psychiatric problems in adoptees: evidence for long lasting effectsEsther J M van der Vegt
Department of Child and Adolescent Psychiatry, Erasmus MC Sophia Children s Hospital, P O Box 2060, 3000 CB, Rotterdam, The Netherlands
J Abnorm Child Psychol 37:239-49. 2009..This suggests that vulnerability of early-maltreated children persists even if they are taken out of their problematic environments and are raised in enriched circumstances... - Hypothalamic-pituitary-adrenal axis activity and early onset of cannabis useAnja C Huizink
Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Rotterdam, The Netherlands
Addiction 101:1581-8. 2006..To identify early onset cannabis users by measuring basal hypothalamic-pituitary-adrenal (HPA) axis activity, which may be a risk factor for early onset substance use when showing low activity... - Symptoms of anxiety and depression in childhood and use of MDMA: prospective, population based studyAnja C Huizink
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam Sophia Children s Hospital, PO Box 2060, 3000 CB Rotterdam, Netherlands
BMJ 332:825-8. 2006..To investigate whether using ecstasy (3,4-methylenedioxymethamphetamine, MDMA) is preceded by symptoms of behavioural and emotional problems in childhood and early adolescence... - Determinants of quality of life in children with psychiatric disordersDennis Bastiaansen
Department of Child and Adolescent Psychiatry, Erasmus MC Sophia, Rotterdam, The Netherlands
Qual Life Res 14:1599-612. 2005..To assess factors that, in addition to childhood psychopathology, are associated with Quality of Life (QoL) in children with psychiatric problems... - Classes of disruptive behavior problems in referred adolescentsPieter F A de Nijs
Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Sophia Children s Hospital, Rotterdam, The Netherlands
Psychopathology 40:440-5. 2007..Previous studies have found considerable overlap between attention/hyperactivity problems, aggressive/oppositional problems and delinquent/conduct problems in adolescents... - Assessment of formal thought disorder: The relation between the Kiddie Formal Thought Disorder Rating Scale and clinical judgmentEsther I de Bruin
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam Sophia Children s Hospital, Dr Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands
Psychiatry Res 149:239-46. 2007..Thus, although detecting FTD has important clinical value, the assessment of its presence or absence seemed to depend highly on which measure was used... - High rates of psychiatric co-morbidity in PDD-NOSEsther I de Bruin
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam Sophia Children s Hospital, Dr Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands
J Autism Dev Disord 37:877-86. 2007..Co-morbid disorders occur very frequently in children with PDD-NOS, and therefore clinical assessment in those children should include assessment of co-morbid DSM-IV disorders... - Parent-teacher disagreement regarding behavioral and emotional problems in referred children is not a risk factor for poor outcomeRobert F Ferdinand
Erasmus Medical Center Rotterdam, Sophia Children s Hospital, Dept of Child and Adolescent Psychiatry, Dr Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands
Eur Child Adolesc Psychiatry 16:121-7. 2007..To investigate whether parent-teacher disagreement regarding the presence of psychopathology predicts poor outcome in children who have been referred to mental health services.. - Homotypic versus heterotypic continuity of anxiety symptoms in young adolescents: evidence for distinctions between DSM-IV subtypesRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Rotterdam Sophia Children s Hospital, Dr Molewaterplein 60, 3000 CB Rotterdam, The Netherlands
J Abnorm Child Psychol 35:325-33. 2007.... - Associations between visual and auditory hallucinations in children and adolescents, and tobacco use in adulthoodRobert F Ferdinand
Dept of Child and Adolescent Psychiatry, Erasmus Medical Centre Rotterdam, Sophia Children s Hospital, Dr Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands
Soc Psychiatry Psychiatr Epidemiol 39:514-20. 2004..If psychotic features precede tobacco use, then tobacco may be used to self-medicate psychotic symptoms. The aim was to assess if psychotic features in adolescents constitute a risk factor for later tobacco use... - No hyperactive-impulsive subtype in teacher-rated attention-deficit/hyperactivity problemsPieter F A de Nijs
Outpatients Department of Child and Adolescent Psychiatry, Erasmus MC, Sophia Children s Hospital, P O Box 2060, 3000 CB Rotterdam, The Netherlands
Eur Child Adolesc Psychiatry 16:25-32. 2007..It may not be useful to discern the hyperactive-impulsive type of ADHD... - Quality of life in children with psychiatric disorders: self-, parent, and clinician reportDennis Bastiaansen
Department of Child and Adolescent Psychiatry, Erasmus MC Sophia, The Netherlands
J Am Acad Child Adolesc Psychiatry 43:221-30. 2004..To study the relationship between child psychiatric disorders and quality of life (QoL)... - Attention-deficit/hyperactivity disorder (ADHD): parents' judgment about school, teachers' judgment about homePieter F A de Nijs
Outpatients Department of Child and Adolescent Psychiatry, Erasmus MC Sophia Children s Hospital, 3000 CB Rotterdam, The Netherlands
Eur Child Adolesc Psychiatry 13:315-20. 2004..The aim of this study was to separate sources of observer and situational variance in reporting attention-deficit/hyperactivity disorder (ADHD) symptomatology... - Latent class analysis of anxiety and depressive symptoms in referred adolescentsRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam, The Netherlands
J Affect Disord 88:299-306. 2005..Comorbidity between anxiety disorders and depressive disorders in adolescents occurs very frequently. The aim of this study was to investigate if anxiety and depression represent distinct disease entities... - No distinctions between different types of anxiety symptoms in pre-adolescents from the general populationRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Dr Molewaterplein 60, P O Box 2060, 3000 CB Rotterdam, The Netherlands
J Anxiety Disord 20:207-21. 2006..Results indicate that, in a general population sample, it may not be useful to discern children with different types of anxiety symptoms... - Prognostic value of parent-adolescent disagreement in a referred sampleRobert F Ferdinand
Dep of Child and Adolescent Psychiatry, Erasmus Medical Centre Rotterdam Sophia Children s Hospital, Dr Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands
Eur Child Adolesc Psychiatry 15:156-62. 2006..To investigate whether parent-adolescent disagreement regarding reports on adolescents' psychopathology indicates a poor prognosis... - Distinctions between separation anxiety and social anxiety in children and adolescentsRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Sophia Children s Hospital, Dr Molewaterplein 60 P O Box 2060, 3000 CB Rotterdam, The Netherlands
Behav Res Ther 44:1523-35. 2006.... - Psychopathology in children: improvement of quality of life without psychiatric symptom reduction?Dennis Bastiaansen
Erasmus MC, University Medical Center Rotterdam, Sophia Children s Hospital, Department of Child and Adolescent Psychiatry, The Netherlands
Eur Child Adolesc Psychiatry 14:364-70. 2005..The aim of this study was to assess the association between change in psychopathology and Quality of Life (QoL) across time in children with high levels of psychopathology... - Parent-adolescent disagreement regarding psychopathology in adolescents from the general population as a risk factor for adverse outcomeRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Sophia Children s Hospital, Rotterdam, The Netherlands
J Abnorm Psychol 113:198-206. 2004..It was concluded that to determine the prognosis of psychopathology in adolescents, discrepancies between informants may be important... - Improving estimation of the prognosis of childhood psychopathology; combination of DSM-III-R/DISC diagnoses and CBCL scoresRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Academic Hospital Rotterdam Sophia Erasmus University Rotterdam, Rotterdam, The Netherlands
J Child Psychol Psychiatry 45:599-608. 2004..To compare the predictive validity of the clinical-diagnostic and the empirical-quantitative approach to assessment of childhood psychopathology, and to investigate the usefulness of combining both approaches... - The role of the clinician: three-year predictive value of parents', teachers' and clinicians' judgment of childhood psychopathologyRobert F Ferdinand
Department of Child and Adolescent Psychiatry, Academic Hospital Rotterdam Sophia Erasmus University Rotterdam, The Netherlands
J Child Psychol Psychiatry 44:867-76. 2003..The present study investigated the differential predictive value of parents', teachers', and clinicians' reports of psychopathology for poor outcome in children referred to a child psychiatric outpatient clinic... - Effortful control as modifier of the association between negative emotionality and adolescents' mental health problemsAlbertine J Oldehinkel
Department of Psychiatry, University Medical Center, Groningen, The Netherlands
Dev Psychopathol 19:523-39. 2007..The effects were stronger for externalizing problems and similar for preadolescent (age 11) and adolescent (age 13/14) outcomes... - HPA axis activity: A response to comments by Gunter SchumannAnja C Huizink
Addiction 101:1833-4. 2006 - Latent class analysis of anxiety and depressive symptoms of the Youth Self-Report in a general population sample of young adolescentsNatasja D J van Lang
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam/Sophia Children's Hospital, Dr. Molewaterplein 60/PO Box 2060, 3000 CB Rotterdam, The Netherlands
Behav Res Ther 44:849-60. 2006.... - WISC-R subtest but no overall VIQ-PIQ difference in Dutch children with PDD-NOSEsther I de Bruin
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam/Sophia Children's Hospital, 3015 GJ Rotterdam, The Netherlands
J Abnorm Child Psychol 34:263-71. 2006..It was not possible to distinguish PDD-NOS from autism or Asperger syndrome by using IQ scores... - Autonomic reactivity in clinically referred children attention-deficit/hyperactivity disorder versus anxiety disorderNatasja D J van Lang
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam, Sophia Children s Hospital, 3000 CB Rotterdam, The Netherlands
Eur Child Adolesc Psychiatry 16:71-8. 2007.... - Concurrent validity of the DSM-IV scales Affective Problems and Anxiety Problems of the Youth Self-ReportNatasja D J van Lang
Department of Child and Adolescent Psychiatry, Erasmus Medical Center Rotterdam/Sophia Children's Hospital, Dr. Molewaterplein 60/P.O. Box 2060, Rotterdam 3000 CB, The Netherlands
Behav Res Ther 43:1485-94. 2005..It was concluded that the construction of the DSM-IV scales improved the correspondence with DSM-IV Major Depressive Disorder, but not with DSM-IV anxiety disorders... - Disruptive behaviors and HPA-axis activity in young adolescent boys and girls from the general populationFrouke E P L Sondeijker
Department of Child and Adolescent Psychiatry, Erasmus Medical Center, Rotterdam Sophia Children s Hospital, Dr Molewaterplein 60, 3015 GJ Rotterdam, The Netherlands
J Psychiatr Res 41:570-8. 2007.... - The relations between DISC-IV DSM diagnoses of ADHD and multi-informant CBCL-AP syndrome scoresEske M Derks
Department of Biological Psychology, Vrije Universiteit, 1081 BT Amsterdam, The Netherlands
Compr Psychiatry 47:116-22. 2006..We will examine this relation across sex using multi-informant data... - Phenotypic subtypes in attention deficit hyperactivity disorder in an isolated populationEsther A Croes
Genetic Epidemiology Unit, Department of Epidemiology and Biostatistics, Erasmus Medical Centre, PO Box 1738, 3000 DR Rotterdam, The Netherlands
Eur J Epidemiol 20:789-94. 2005..01). Our data suggests that using two informants in diagnosing ADHD helps identify a phenotype with a strong genetic component. The inattentive phenotype showed strong familial clustering and evidence of a recessive origin... - Classes of adolescents with disruptive behaviors in a general population sampleFrouke E P L Sondeijker
Dept. of Child and Adolescent Psychiatry, Erasmus Medical Centre Rotterdam/Sophia Children's Hospital, Dr. Molewaterplein 60, 3015 GJ, Rotterdam, The Netherlands
Soc Psychiatry Psychiatr Epidemiol 40:931-8. 2005..CONCLUSIONS: Because classes of preadolescents with symptoms of only one type of disruptive behavior problems could not be identified, it can be questioned how useful separate diagnostic distinctions are in general population studies...