Kevin Duff

Summary

Affiliation: University of Utah
Country: USA

Publications

  1. doi request reprint Practice effects: a unique cognitive variable
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, UT 84108, USA
    Clin Neuropsychol 26:1117-27. 2012
  2. pmc Functional impairment in progressive supranuclear palsy
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, USA
    Neurology 80:380-4. 2013
  3. pmc Within-session practice effects in patients referred for suspected dementia
    Kevin Duff
    Department of Neurology, Center for Alzheimer s Care, Imaging and Research, University of Utah, Salt Lake City, Utah 84108, USA
    Dement Geriatr Cogn Disord 33:245-9. 2012
  4. doi request reprint Predicting current memory with the modified telephone interview for cognitive status
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, 84108, USA
    Am J Alzheimers Dis Other Demen 27:175-9. 2012
  5. pmc Evidence-based indicators of neuropsychological change in the individual patient: relevant concepts and methods
    Kevin Duff
    Center for Alzheimer s Care, Imaging, and Research, Department of Neurology, University of Utah, Salt Lake City, USA
    Arch Clin Neuropsychol 27:248-61. 2012
  6. doi request reprint Gender differences on the Repeatable Battery for the Assessment of Neuropsychological Status subtests in older adults: baseline and retest data
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, UT 84108, USA
    J Clin Exp Neuropsychol 33:448-55. 2011
  7. pmc Predicting cognitive change in older adults: the relative contribution of practice effects
    Kevin Duff
    Department of Neurology, University of Utah, Utah 84108, USA
    Arch Clin Neuropsychol 25:81-8. 2010
  8. pmc Diagnostic accuracy of the RBANS in mild cognitive impairment: limitations on assessing milder impairments
    Kevin Duff
    Center for Alzheimer s Care, Imaging and Research, Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT 84108, USA
    Arch Clin Neuropsychol 25:429-41. 2010
  9. pmc "Frontal" behaviors before the diagnosis of Huntington's disease and their relationship to markers of disease progression: evidence of early lack of awareness
    Kevin Duff
    Department of Psychiatry, University of Iowa College of Medicine, Iowa City, USA
    J Neuropsychiatry Clin Neurosci 22:196-207. 2010
  10. doi request reprint Intersubtest discrepancies on the RBANS: results from the OKLAHOMA study
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, 84108, USA
    Appl Neuropsychol 18:79-85. 2011

Research Grants

  1. Predicting dementia with practice effects
    Kevin Duff; Fiscal Year: 2009

Detail Information

Publications66

  1. doi request reprint Practice effects: a unique cognitive variable
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, UT 84108, USA
    Clin Neuropsychol 26:1117-27. 2012
    ..However, since practice effects appear to be uninfluenced by many variables that typically affect cognitive scores, they may be a unique and valuable tool that could be applied in a number of diverse patient groups...
  2. pmc Functional impairment in progressive supranuclear palsy
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, USA
    Neurology 80:380-4. 2013
    ..The current study sought to describe the functional profiles of patients with early-stage progressive supranuclear palsy (PSP) in a large prospective, multisite study...
  3. pmc Within-session practice effects in patients referred for suspected dementia
    Kevin Duff
    Department of Neurology, Center for Alzheimer s Care, Imaging and Research, University of Utah, Salt Lake City, Utah 84108, USA
    Dement Geriatr Cogn Disord 33:245-9. 2012
    ..However, there is growing evidence that practice effects provide clinically useful information...
  4. doi request reprint Predicting current memory with the modified telephone interview for cognitive status
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, 84108, USA
    Am J Alzheimers Dis Other Demen 27:175-9. 2012
    ..These results further validate the mTICS, as well as some of the prediction equations, and continue to point out this measure as an efficient tool for screening of cognitive functioning in later life...
  5. pmc Evidence-based indicators of neuropsychological change in the individual patient: relevant concepts and methods
    Kevin Duff
    Center for Alzheimer s Care, Imaging, and Research, Department of Neurology, University of Utah, Salt Lake City, USA
    Arch Clin Neuropsychol 27:248-61. 2012
    ..The focus will be on the understanding and application of these concepts and methods in the evaluation of the individual patient through examples. Finally, some future directions for assessing change will be described...
  6. doi request reprint Gender differences on the Repeatable Battery for the Assessment of Neuropsychological Status subtests in older adults: baseline and retest data
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, UT 84108, USA
    J Clin Exp Neuropsychol 33:448-55. 2011
    ..By controlling for additional systematic bias in RBANS scores (e.g., gender effects), these findings allow clinicians and researchers to better match patients and participants when using this screening battery...
  7. pmc Predicting cognitive change in older adults: the relative contribution of practice effects
    Kevin Duff
    Department of Neurology, University of Utah, Utah 84108, USA
    Arch Clin Neuropsychol 25:81-8. 2010
    ..Future studies should continue extending SRB methodology for older adults, and the inclusion of practice effects appears to add to the prediction of future cognition...
  8. pmc Diagnostic accuracy of the RBANS in mild cognitive impairment: limitations on assessing milder impairments
    Kevin Duff
    Center for Alzheimer s Care, Imaging and Research, Department of Neurology, University of Utah School of Medicine, Salt Lake City, UT 84108, USA
    Arch Clin Neuropsychol 25:429-41. 2010
    ..Although significant differences were observed between groups and the areas under the curves were adequate, the lower sensitivity values of the RBANS suggests that caution should be used when diagnosing conditions such as MCI...
  9. pmc "Frontal" behaviors before the diagnosis of Huntington's disease and their relationship to markers of disease progression: evidence of early lack of awareness
    Kevin Duff
    Department of Psychiatry, University of Iowa College of Medicine, Iowa City, USA
    J Neuropsychiatry Clin Neurosci 22:196-207. 2010
    ..Participant/companion discrepancies, especially closest to Huntington's disease diagnosis, might suggest early lack of awareness in these individuals...
  10. doi request reprint Intersubtest discrepancies on the RBANS: results from the OKLAHOMA study
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, 84108, USA
    Appl Neuropsychol 18:79-85. 2011
    ..Similarly, these data highlight the mediating effects of the global level of cognitive functioning on discrepancy scores...
  11. pmc Practice effects predict cognitive outcome in amnestic mild cognitive impairment
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, 84108, USA
    Am J Geriatr Psychiatry 19:932-9. 2011
    ..We tested the hypothesis that a loss of practice effects would portend a worse prognosis in aMCI...
  12. pmc The RBANS Effort Index: base rates in geriatric samples
    Kevin Duff
    Center for Alzheimer s Care, Imaging and Research, Department of Neurology, University of Utah, Salt Lake City, Utah 84108, USA
    Appl Neuropsychol 18:11-7. 2011
    ....
  13. pmc Predicting premorbid memory functioning in older adults
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, 84108, USA
    Appl Neuropsychol 17:278-82. 2010
    ..Although validation in larger samples is needed, the current estimates of premorbid memory abilities may aid clinicians in determining change across time...
  14. pmc Predicting estimates of premorbid memory functioning: validation in a dementia sample
    Kevin Duff
    Center for Alzheimer s Care, Imaging and Research, Department of Neurology, University of Utah, Salt Lake City, 84108, USA
    Arch Clin Neuropsychol 26:701-5. 2011
    ..Although some cautions should be observed when using these estimates clinically, growing support for these estimates of premorbid memory abilities may aid clinicians in determining change across time in older patients...
  15. pmc Short-term practice effects in amnestic mild cognitive impairment: implications for diagnosis and treatment
    Kevin Duff
    Department of Psychiatry, College of Medicine, University of Iowa, Iowa City, IA 52242 1000, USA
    Int Psychogeriatr 20:986-99. 2008
    ..Practice effects have been widely reported in healthy older adults, but these improvements due to repeat exposure to test materials have been more equivocal in individuals with mild cognitive impairment (MCI)...
  16. pmc Patterns of serotonergic antidepressant usage in prodromal Huntington disease
    Kelly C Rowe
    Department of Psychiatry, The University of Iowa Carver College of Medicine, Iowa City, IA, USA
    Psychiatry Res 196:309-14. 2012
    ..These propensities must be considered in studies of prodromal HD participants...
  17. doi request reprint Normative data on and psychometric properties of Verbal and Visual Indexes of the RBANS in older adults
    Kevin Duff
    University of Iowa, Department of Psychiatry, Iowa City, IA 52242 1000, USA
    Clin Neuropsychol 23:39-50. 2009
    ..These data might allow clinicians and researchers to better assess laterality effects of brain dysfunction when using the RBANS, although clinical validation is needed...
  18. pmc Self-paced timing detects and tracks change in prodromal Huntington disease
    Kelly C Rowe
    Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, IA 52242, USA
    Neuropsychology 24:435-42. 2010
    ..This study compares self-paced timing performance (cross-sectionally and longitudinally) between participants with prodromal Huntington's disease (pr-HD) and a comparison group of gene non-expanded participants from affected families (NC)...
  19. ncbi request reprint Regression-based formulas for predicting change in RBANS subtests with older adults
    Kevin Duff
    Department of Psychiatry, University of Iowa, MEB 1 308, Iowa City, IA 52242 1000, USA
    Arch Clin Neuropsychol 20:281-90. 2005
    ..A case example is presented that utilizes the formulas...
  20. pmc The Trail Making Test in prodromal Huntington disease: contributions of disease progression to test performance
    Justin J F O'Rourke
    Department of Psychiatry, The University of Iowa, Iowa City, IA, USA
    J Clin Exp Neuropsychol 33:567-79. 2011
    ..In participants manifesting prodromal motor signs and psychiatric symptoms, the TMT primarily measures cognition and is able to discriminate between groups based on health status and estimated time to diagnosis...
  21. doi request reprint Premorbid intellect and current RBANS performance: discrepancy scores in three geriatric samples
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, Iowa 52242, USA
    Appl Neuropsychol 15:241-9. 2008
    ....
  22. pmc Cognitive change in patients with Huntington disease on the Repeatable Battery for the Assessment of Neuropsychological Status
    Leigh J Beglinger
    Department of Psychiatry, University of Iowa, Iowa City, IA 52242 1000, USA
    J Clin Exp Neuropsychol 32:573-8. 2010
    ..The RBANS provided additional information about other cognitive domains affected (e.g., memory) and may be a useful measure for tracking longitudinal change...
  23. pmc Practice effects in the prediction of long-term cognitive outcome in three patient samples: a novel prognostic index
    Kevin Duff
    University of Iowa, Department of Psychiatry, MEB 1 308, Iowa City, IA 52242 1000, United States
    Arch Clin Neuropsychol 22:15-24. 2007
    ..Additionally, this prognostic index could be used to offer interventions to patients who are in the earliest stages of progressive neurodegenerative disorders...
  24. doi request reprint Retention rates on RBANS memory subtests in elderly adults
    Mike R Schoenberg
    American Board of Clinical Neuropsychology, Department of Neurology, University Hospitals Case Medical Center, Cleveland, Ohio 44106, USA
    J Geriatr Psychiatry Neurol 21:26-33. 2008
    ..These preliminary data suggest that retention rates of the RBANS memory subtests may add to the clinical utility of this test as a neuropsychological diagnostic and research tool...
  25. ncbi request reprint Normative and retest data on the RBANS cortical/subcortical index in older adults
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, IA 52242 1000, USA
    J Clin Exp Neuropsychol 29:854-9. 2007
    ..58-.61). Although the utility of this index needs to be investigated in clinical samples, practitioners should use caution when interpreting these types of indicator as pathognomonic for the presence of disease...
  26. pmc Earliest functional declines in Huntington disease
    Leigh J Beglinger
    Department of Psychiatry, The University of Iowa, Iowa City, IA, USA
    Psychiatry Res 178:414-8. 2010
    ..These are also important areas for clinical monitoring and treatment planning as up to 65% experienced loss in at least one area prior to diagnosis...
  27. ncbi request reprint Predicting change with the RBANS in a community dwelling elderly sample
    Kevin Duff
    University of Iowa, Department of Psychiatry, Iowa City, 52242 1000, USA
    J Int Neuropsychol Soc 10:828-34. 2004
    ..A case example is presented that illustrates how the algorithms can be used clinically...
  28. pmc Estimating premorbid functioning in huntington's disease: the relationship between disease progression and the wide range achievement test reading subtest
    Justin J F O'Rourke
    Department of Psychiatry, University of Iowa, Iowa City, IA 52242, USA
    Arch Clin Neuropsychol 26:59-66. 2011
    ..Irregular word reading tests appear to decline with HD progression, whereas estimation methods based on demographic factors may be more robust but overestimate premorbid functioning...
  29. ncbi request reprint Test-retest stability and practice effects of the RBANS in a community dwelling elderly sample
    Kevin Duff
    University of Iowa, Department of Psychiatry, Iowa City, Iowa 52242, USA
    J Clin Exp Neuropsychol 27:565-75. 2005
    ..A case example is provided that demonstrates the use of the current findings in conjunction with existing change formulas...
  30. ncbi request reprint Predicting cognitive change across 3 years in community-dwelling elders
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, IA 52242 1000, USA
    Clin Neuropsychol 22:651-61. 2008
    ..A case example is presented that illustrates how the algorithms can be used clinically...
  31. ncbi request reprint Psychiatric symptoms in Huntington's disease before diagnosis: the predict-HD study
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, Iowa 52242 1000, USA
    Biol Psychiatry 62:1341-6. 2007
    ..Psychiatric disturbances are relatively common in manifest Huntington's disease (HD), but less is known about these symptoms in the earliest phase of the illness...
  32. ncbi request reprint Neuropsychological and psychiatric functioning pre- and posthematopoietic stem cell transplantation in adult cancer patients: a preliminary study
    Leigh J Beglinger
    Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa 52242 1000, USA
    J Int Neuropsychol Soc 13:172-7. 2007
    ..Education about these possible pretransplant sequelae and the potential for rebound may be helpful to patients and families as they prepare for this treatment and the recovery period...
  33. pmc Measuring executive dysfunction longitudinally and in relation to genetic burden, brain volumetrics, and depression in prodromal Huntington disease
    Kathryn V Papp
    Department of Psychiatry, Harvard Medical School, Boston, MA 02215, USA
    Arch Clin Neuropsychol 28:156-68. 2013
    ....
  34. pmc Evaluation of older persons with mild cognitive deficits: potential utility of magnetic resonance imaging
    Susan K Schultz
    University of Iowa Department of Psychiatry, Carver College of Medicine, Iowa City, IA 52242 1000, USA
    Ann Clin Psychiatry 20:204-8. 2008
    ..The objective was to examine cortical volumes in relation to cognitive performance among patients who do not have dementia, but who do have mild cognitive deficits...
  35. pmc The neuropsychological course of acute delirium in adult hematopoietic stem cell transplantation patients
    Leigh J Beglinger
    Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, 52242 1000, USA
    Arch Clin Neuropsychol 26:98-109. 2011
    ....
  36. pmc Obsessive and compulsive symptoms in prediagnosed Huntington's disease
    Leigh J Beglinger
    University of Iowa, Department of Psychiatry, MEB 1 321, Iowa City, IA 52242 1000, USA
    J Clin Psychiatry 69:1758-65. 2008
    ..Although psychiatric symptoms have been reported in individuals with the HD gene expansion prior to clinical diagnosis (pre-HD), little is known about OCS in this phase of disease...
  37. ncbi request reprint Examining the repeatable battery for the assessment of neuropsychological status: factor analytic studies in an elderly sample
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, IA 52242 1000, USA
    Am J Geriatr Psychiatry 14:976-9. 2006
    ....
  38. pmc The Indiana faces in places test: preliminary findings on a new visuospatial memory test in patients with mild cognitive impairment
    Leigh J Beglinger
    Department of Psychiatry, University of Iowa College of Medicine, Iowa City, IA 52242 1000, USA
    Arch Clin Neuropsychol 24:607-18. 2009
    ..64 and 0.66). Preliminary psychometric analyses support further study of the IFIPT. The measure showed evidence of clinical utility by demonstrating group differences between this sample of healthy adults and those with MCI...
  39. ncbi request reprint Prediction errors of the Oklahoma Premorbid Intelligence Estimate-3 (OPIE-3) stratified by 13 age groups
    Mike R Schoenberg
    Department of Neurology, University Hospitals of Cleveland, Case Western Reserve University School of Medicine, HH 5, 11100 Euclid Ave, Cleveland, OH 44106, USA
    Arch Clin Neuropsychol 21:469-75. 2006
    ..The OPIE-3(2ST), OPIE-3MR, and OPIE-3VOC yielded robust estimates of FSIQ across age groups in a neurologically intact sample. Limitations, particularly with individuals aged 16-17 and 85-89 years, are discussed...
  40. ncbi request reprint Modified scoring criteria for the RBANS figures
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, Iowa 52242 1000, USA
    Appl Neuropsychol 14:73-83. 2007
    ....
  41. pmc Cognitive deficits in Huntington's disease on the Repeatable Battery for the Assessment of Neuropsychological Status
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, IA 52242 1000, USA
    J Clin Exp Neuropsychol 32:231-8. 2010
    ..Although additional research is needed, the current study supports the clinical applicability of the RBANS in patients with HD...
  42. doi request reprint Symptom validity test performance in the Huntington Disease Clinic
    Barbara C Sieck
    Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, IA 52242 1000, USA
    Arch Clin Neuropsychol 28:135-43. 2013
    ..Although some SVTs may be better suited to HD, cognitive ability should be considered when evaluating effort in HD...
  43. ncbi request reprint Donepezil effects on cerebral blood flow in older adults with mild cognitive deficits
    Xiying Chen
    Department of Radiology, The Roy J and Lucille A Carver College of Medicine, 500 Newton Rd, Iowa City, IA 52242 1000, USA
    J Neuropsychiatry Clin Neurosci 18:178-85. 2006
    ..These findings suggest that donepezil treatment may be associated with a relative maintenance of CBF and improved list-learning...
  44. doi request reprint Cognitive functioning predicts survival in the elderly
    Kevin Duff
    University of Iowa, Iowa City, IA, USA
    J Clin Exp Neuropsychol 31:90-5. 2009
    ..Although the mechanism of poorer cognition and impending death remains unclear, some possibilities are discussed (e.g., brain dysfunction, poor medical compliance, impaired cellular immunity)...
  45. ncbi request reprint Pre- and post-right middle cerebral artery stroke in a young adult: a case study examining the sensitivity of the Repeatable Battery for the Assessment of Neuropsychological Status (RBANS)
    Kevin Duff
    University of Iowa, Department of Psychiatry, MEB 1 308, Iowa City, IA 52242 1000, USA
    Appl Neuropsychol 13:194-200. 2006
    ..Line Orientation fell from normal to defective levels; these findings were associated with decline in related standard neuropsychological measures...
  46. ncbi request reprint The relationship between executive functioning and verbal and visual learning and memory
    Kevin Duff
    Department of Psychiatry, University of Iowa Hospitals and Clinics 200 Hawkins Drive, Iowa City, Iowa 52242, USA
    Arch Clin Neuropsychol 20:111-22. 2005
    ..Although causality cannot be inferred, a clear and robust relationship between executive functioning and memory is evident, and clinicians should consider this overlap when interpreting poor performance among these two domains...
  47. ncbi request reprint Test performance and classification statistics for the Rey Auditory Verbal Learning Test in selected clinical samples
    Mike R Schoenberg
    Department of Neurology, University Hospitals Case Medical Center, HH 5, 11100 Euclid Ave, Cleveland, OH 44106 5000, USA
    Arch Clin Neuropsychol 21:693-703. 2006
    ..1996). Rey Auditory and Verbal Learning Test: A handbook. Los Angeles, CA: Western Psychological Services] meta-norms found the RAVLT to best distinguish patients suspected of Alzheimer's disease from the psychiatric comparison group...
  48. pmc Perceived stress in prodromal Huntington disease
    Nancy Downing
    College of Nursing, University of Iowa, Iowa City, IA 52242, USA
    Psychol Health 27:196-209. 2012
    ..Secondary analyses using data from a different data collection point and including a diagnosed group showed the highest stress scores in the diagnosed group. Possible explanations and implications are discussed...
  49. pmc Risperidone and the treatment of psychiatric, motor, and cognitive symptoms in Huntington's disease
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, IA 52242 1000, USA
    Ann Clin Psychiatry 20:1-3. 2008
    ..Huntington's disease (HD) is a progressive, neuropsychiatric disorder, and limited reports indicate that risperidone might improve motor and psychiatric functioning for these patients...
  50. pmc Cognitive and daily functioning in older adults with vegetative symptoms of depression
    Sergio Paradiso
    Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, IA, USA
    Int J Geriatr Psychiatry 25:569-77. 2010
    ..The goal of this study was to examine neurocognitive and daily functioning of elderly patients showing exclusively VS in comparison with patients presenting with VS and dysphoria...
  51. pmc Predicting cognitive change within domains
    Kevin Duff
    Department of Neurology, University of Utah, Salt Lake City, UT 84108, USA kevin
    Clin Neuropsychol 24:779-92. 2010
    ..The current results lend preliminary support for additional development of SRBs, both for same and different tests, as well as beginning to examine domain-based SRBs...
  52. pmc Utility of the RBANS in detecting cognitive impairment associated with Alzheimer's disease: sensitivity, specificity, and positive and negative predictive powers
    Kevin Duff
    Roy J and Lucille A Carver College of Medicine, Department of Psychiatry, University of Iowa, 1 308 MEB, Iowa City, IA 52242 1000, USA
    Arch Clin Neuropsychol 23:603-12. 2008
    ..96 and 0.98, respectively). Results suggest that RBANS scores yield excellent estimates of diagnostic accuracy and that the RBANS is a useful screening tool in detection of cognitive deficits associated with AD...
  53. ncbi request reprint White matter volume and cognitive dysfunction in early Huntington's disease
    Leigh J Beglinger
    Department of Psychiatry, University of Iowa Roy and Lucille Carver College of Medicine, Iowa City, Iowa 52242, USA
    Cogn Behav Neurol 18:102-7. 2005
    ..Fewer studies have examined other cerebral structures in early HD and potential associations with cognition...
  54. ncbi request reprint Differential estimation of verbal intelligence and performance intelligence scores from combined performance and demographic variables: the OPIE-3 verbal and performance algorithms
    Mike R Schoenberg
    Department of Neurology, University Hospitals of Cleveland and Case Western Reserve University School of Medicine, Cleveland, OH 44106 5000, USA
    Clin Neuropsychol 18:266-76. 2004
    ..Differences in estimated VIQ and PIQ scores were evaluated and the OPIE-3 algorithms were found to accurately predict VIQ and PIQ differences within the WAIS-III standardization sample...
  55. pmc Longitudinal changes in white matter disease and cognition in the first year of the Alzheimer disease neuroimaging initiative
    Owen Carmichael
    Department of Neurology, School of Medicine, University of California, Davis, CA, USA
    Arch Neurol 67:1370-8. 2010
    ....
  56. pmc Randomized controlled trial of atomoxetine for cognitive dysfunction in early Huntington disease
    Leigh J Beglinger
    Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, IA 52242 1000, USA
    J Clin Psychopharmacol 29:484-7. 2009
    ..Atomoxetine is a norepinephrine reuptake inhibitor approved for treatment of attention-deficit/hyperactivity disorder...
  57. doi request reprint Predictors of neuropsychological recovery in treatment for anorexia nervosa
    Ekaterina Keifer
    Department of Counseling Psychology, University of Iowa, Iowa City, Iowa, USA
    Eat Disord 18:302-17. 2010
    ..Information about cognitive reserve and AN subtype may provide clinicians with valuable prognostic information and help guide treatment...
  58. ncbi request reprint Walking speed and global cognition: results from the OKLAHOMA Study
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, IA 52242 1000, USA
    Neuropsychol Dev Cogn B Aging Neuropsychol Cogn 15:31-9. 2008
    ..In these older adults, global cognition was related to walking speed...
  59. ncbi request reprint Probability of obsessive and compulsive symptoms in Huntington's disease
    Leigh J Beglinger
    Department of Psychiatry, University of Iowa, Iowa City, Iowa 52242 1000, USA
    Biol Psychiatry 61:415-8. 2007
    ..The purpose of this study was to examine the probability of obsessive and compulsive (OC) symptoms across stages of Huntington's disease (HD) with both cross sectional and longitudinal data...
  60. ncbi request reprint Medical burden and cognition in older patients in primary care: selective deficits in attention
    Kevin Duff
    University of Iowa, Department of Psychiatry, MEB 1 308, Iowa City, IA 52242 1000, USA
    Arch Clin Neuropsychol 22:569-75. 2007
    ..These findings could have clinical implications, as poorer attention, especially in patients with multiple medical problems, could lead to poorer medical compliance and worse outcomes...
  61. pmc Challenges assessing clinical endpoints in early Huntington disease
    Jane S Paulsen
    Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa 52242 1000, USA
    Mov Disord 25:2595-603. 2010
    ..We conclude that future clinical trials designed for very early disease will require the development of new and more sensitive measures of real-life function...
  62. ncbi request reprint Practice effects and the use of alternate forms in serial neuropsychological testing
    Leigh J Beglinger
    Department of Psychiatry, University of Iowa College of Medicine, 1 321 MEB, 200 Hawkins Dr, Iowa City, Iowa 52242, USA
    Arch Clin Neuropsychol 20:517-29. 2005
    ..Alternate forms and baseline practice sessions may help control early, rapid improvements in clinical trials...
  63. pmc Validation of the modified telephone interview for cognitive status in amnestic mild cognitive impairment and intact elders
    Kevin Duff
    Department of Psychiatry, University of Iowa, Iowa City, IA 52242 1000, USA
    Alzheimer Dis Assoc Disord 23:38-43. 2009
    ..Overall, these results provide additional validation of the mTICS as a valuable screening instrument for cognition in individuals with milder cognitive impairments...
  64. doi request reprint On becoming a peer reviewer for a neuropsychology journal
    Kevin Duff
    Deparment of Psychiatry, Roy J and Lucille A Carver College of Medicine, University of Iowa, 1 308 MEB, Iowa City, IA 52242 1000, USA
    Arch Clin Neuropsychol 24:201-7. 2009
    ..It is hoped that the current information will encourage individuals at all levels to become involved in peer-reviewing for neuropsychology journals...
  65. pmc CAG-repeat length and the age of onset in Huntington disease (HD): a review and validation study of statistical approaches
    Douglas R Langbehn
    Department of Psychiatry, Carver College of Medicine, University of Iowa, Iowa City, IA 52242 1000, USA
    Am J Med Genet B Neuropsychiatr Genet 153:397-408. 2010
    ..The Langbehn et al. model appears accurate enough to have substantial utility in various research contexts. We also emphasize remaining caveats, many of which are relevant for any direct application to genetic counseling...
  66. ncbi request reprint Incidence of delirium and associated mortality in hematopoietic stem cell transplantation patients
    Leigh J Beglinger
    Department of Psychiatry, University of Iowa Carver College of Medicine, Iowa City, Iowa
    Biol Blood Marrow Transplant 12:928-35. 2006
    ..Studies to determine the factors that connect delerium soon after transplantation to mortality are highly warranted...

Research Grants1

  1. Predicting dementia with practice effects
    Kevin Duff; Fiscal Year: 2009
    ..Development Award ,(K23) application is a request to support the training and research activities necessary for Kevin Duff, Ph.D. to further develop a novel cognitive index (i.e...