Kevin Duff
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Kevin Duff, PhD

Languages spoken: English

Clinical Locations

Imaging and Neurosciences Center

Cognitive Disorders Clinic
Salt Lake City
801-585-7575

  • Dr. Kevin Duff is a board certified Clinical Neuropsychologist. He conducts comprehensive neuropsychological evaluations in the Cognitive Disorders Clinic, a sub-specialty clinic of the University of Utah Center for Alzheimer’s Care, Imaging and Research (CACIR). These evaluations are key to definitively diagnosing memory disorders such as Alzheimer's disease and dementia. Dr. Duff’s clinical interests focus on a wide range of neurodegenerative disorders, from Mild Cognitive Impairment and Alzheimer’s disease to Huntington’s disease.

    Dr. Duff also conducts extensive research in clinical neuropsychology, aging and dementia. His current research, which has been funded by the NIH, examines the role of practice effects in predicting dementia.

    Specialties

    Board Certification

    American Board of Professional Psychology (Sub: Clinical Neuropsychology)

  • Dr. Kevin Duff is a board certified Clinical Neuropsychologist. He conducts comprehensive neuropsychological evaluations in the Cognitive Disorders Clinic, a sub-specialty clinic of the University of Utah Center for Alzheimer’s Care, Imaging and Research (CACIR). These evaluations are key to definitively diagnosing memory disorders such as Alzheimer's disease and dementia. Dr. Duff’s clinical interests focus on a wide range of neurodegenerative disorders, from Mild Cognitive Impairment and Alzheimer’s disease to Huntington’s disease.

    Dr. Duff also conducts extensive research in clinical neuropsychology, aging and dementia. His current research, which has been funded by the NIH, examines the role of practice effects in predicting dementia.

    Board Certification and Academic Information

    Academic Departments Neurology -Adjunct
    Board Certification
    American Board of Professional Psychology (Sub: Clinical Neuropsychology)

    Education history

    Fellowship Neuropsychology - University of Oklahoma Health Sciences Center Fellow
    Neuropsychology - Southern Arizona VA Health Care System Intern
    Doctoral Training Clinical Psychology - University at Albany Ph.D.
    Psychology - University of Northern Colorado M.A.
    Undergraduate Psychology - University of Massachusetts-Dartmouth B.A.

    Selected Publications

    Journal Article

    1. Dorociak KE, Bernstein JPK, Baumgartner SE, Hughes AM, Duff K, Lamberty GJ, Yamada TH (2022). Cognitive and psychological improvements following CogSMART in veterans with mental health diagnoses. Appl Neuropsychol Adult, 1-9. (Read full article)
    2. Duff K, Wan L, Levine DA, Giordani B, Fowler NR, Fagerlin A, King JB, Hoffman JM (2022). The Quick Dementia Rating System and Its Relationship to Biomarkers of Alzheimer's Disease and Neuropsychological Performance. Dement Geriatr Cogn Disord, 51(3), 1-7. (Read full article)
    3. Hammers DB, Duff K, Apostolova LG, Alzheimers Disease Neuroimaging Initiative (2022). Examining the role of repeated test exposure over 12 months across ADNI protocols. Alzheimers Dement (Amst), 14(1), e12289. (Read full article)
    4. Dixon A, Porter S, Suhrie K, Hammers D, Duff K (2022). Predicting daily functioning with the modified Telephone Interview for Cognitive Status. Aging Clin Exp Res, 34, 1267-1274. (Read full article)
    5. Pathania A, Euler MJ, Clark M, Cowan RL, Duff K, Lohse KR (2022). Resting EEG spectral slopes are associated with age-related differences in information processing speed. Biol Psychol, 168, 108261. (Read full article)
    6. Campbell JM, Ballard J, Duff K, Zorn M, Moretti P, Alexander MD, Rolston JD (2022). Balance and cognitive impairments are prevalent and correlated with age in presurgical patients with essential tremor. Clin Park Relat Disord, 6, 100134. (Read full article)
    7. Gurgel RK, Duff K, Foster NL, Urano KA, deTorres A (2021). Evaluating the Impact of Cochlear Implantation on Cognitive Function in Older Adults. Laryngoscope, 132 Suppl 7, S1-S15. (Read full article)
    8. Suhrie KR, Hammers DB, Porter SM, Dixon AM, King JB, Anderson JS, Duff K, Hoffman JM (2022). Predicting biomarkers in intact older adults and those with amnestic Mild Cognitive Impairment, and mild Alzheimer's Disease using the Repeatable Battery for the Assessment of Neuropsychological Status. J Clin Exp Neuropsychol, 43(9), 861-878. (Read full article)
    9. Duff K, Suhrie KR, Hammers DB, Dixon AM, King JB, Koppelmans V, Hoffman JM (2021). Repeatable battery for the assessment of neuropsychological status and its relationship to biomarkers of Alzheimer's disease. Clin Neuropsychol, 1-17. (Read full article)
    10. Duff K, Alzheimers Disease Neuroimaging Initiative (2021). Amnestic MCI in ADNI: Maybe Not Enough Memory Impairment? Neurology. (Read full article)
    11. Hammers DB, Duff K, Spencer RJ (2021). Demographically-corrected normative data for the RBANS learning ratio in a sample of older adults. Clin Neuropsychol, 1-16. (Read full article)
    12. Dixon JS, Coyne AE, Duff K, Ready RE (2021). Predictors of cognitive decline in a multi-racial sample of midlife women: A longitudinal study. Neuropsychology, 35(5), 514-528. (Read full article)
    13. Hammers DB, Suhrie K, Dixon A, Gradwohl BD, Archibald ZG, King JB, Spencer RJ, Duff K, Hoffman JM (2021). Relationship between a novel learning slope metric and Alzheimer's disease biomarkers. Neuropsychol Dev Cogn B Aging Neuropsychol Cogn, 1-21. (Read full article)
    14. Hammers DB, Suhrie KR, Dixon A, Porter S, Duff K (2020). Validation of one-week reliable change methods in cognitively intact community-dwelling older adults. Neuropsychol Dev Cogn B Aging Neuropsychol Cogn, 28(3), 472-492. (Read full article)
    15. Olivier GN, Paul SS, Walter CS, Hayes HA, Foreman KB, Duff K, Schaefer SY, Dibble LE (2021). The feasibility and efficacy of a serial reaction time task that measures motor learning of anticipatory stepping. Gait Posture, 86, 346-353. (Read full article)
    16. Hammers DB, Suhrie K, Dixon A, Gradwohl BD, Duff K, Spencer RJ (2021). Validation of HVLT-R, BVMT-R, and RBANS Learning Slope Scores along the Alzheimer's Continuum. Arch Clin Neuropsychol, 37, 78-90. (Read full article)
    17. Hammers DB, Duff K (2019). Application of Different Standard Error Estimates in Reliable Change Methods. Arch Clin Neuropsychol, 36(3), 339-346. (Read full article)
    18. Hammers DB, Suhrie KR, Dixon A, Porter S, Duff K (2019). Reliable change in cognition over 1 week in community-dwelling older adults: a validation and extension study. Arch Clin Neuropsychol, 36(3), 347-358. (Read full article)
    19. Hammers DB, Duff K, Spencer RJ (2021). Demographically-corrected normative data for the HVLT-R, BVMT-R, and Aggregated Learning Ratio values in a sample of older adults. J Clin Exp Neuropsychol, 43(3), 290-300. (Read full article)
    20. Lingo VanGilder J, Lohse KR, Duff K, Wang P, Schaefer SY (2021). Evidence for associations between Rey-Osterrieth Complex Figure test and motor skill learning in older adults. Acta Psychol (Amst), 214, 103261. (Read full article)
    21. Porter S, Dixon A, Suhrie K, Hammers D, Duff K (2021). Longitudinal changes on the Independent Living Scale in amnestic mild cognitive impairment. Appl Neuropsychol Adult, 1-7. (Read full article)
    22. Hammers DB, Porter S, Dixon A, Suhrie KR, Duff K (2020). Validating 1-Year Reliable Change Methods. Arch Clin Neuropsychol, 36(1), 87-98. (Read full article)
    23. Duff K, Suhrie KR, Dalley BCA, Porter SM, Dixon AM (2020). Recognition subtests for the Repeatable Battery for the Assessment of Neuropsychological Status: Preliminary data in cognitively intact older adults, amnestic Mild Cognitive Impairment, and Alzheimer's disease. Clin Neuropsychol, 35, 1-11. (Read full article)
    24. Duff K, Porter S, Dixon A, Suhrie K, Hammers D (2020). The independent living scale in amnestic mild cognitive impairment: Relationships to demographic variables and cognitive performance. J Clin Exp Neuropsychol, 42(7), 725-734. (Read full article)
    25. Hammers DB, Suhrie KR, Porter SM, Dixon AM, Duff K (2020). Validation of one-year reliable change in the RBANS for community-dwelling older adults with amnestic mild cognitive impairment. Clin Neuropsychol, 1-24. (Read full article)
    26. Duff K, Hammers DB (2020). Practice effects in mild cognitive impairment: A validation of Calamia et al. (2012). Clin Neuropsychol, 36, 1-13. (Read full article)
    27. Duff K (2020). Cognitive composites in AD trials? Drinking the Kool-Aid and paying the price? Alzheimers Dement (Amst), 12(1), e12011. (Read full article)
    28. Hammers DB, Suhrie KR, Porter SM, Dixon AM, Duff K (2020). Generalizability of reliable change equations for the RBANS over one year in community-dwelling older adults. J Clin Exp Neuropsychol, 42(4), 394-405. (Read full article)
    29. Duff K, Randolph C, Boxer AL (2019). Cognitive decline on the Repeatable Battery for the Assessment of Neuropsychological Status in progressive supranuclear palsy. Clin Neuropsychol, 34(3), 529-540. (Read full article)
    30. Paul SS, Dibble LE, Olivier GN, Walter C, Duff K, Schaefer SY (2019). Dopamine replacement improves motor learning of an upper extremity task in people with Parkinson disease. Behav Brain Res, 377, 112213. (Read full article)
    31. Hammers DB, Foster NL, Hoffman JM, Greene TH, Duff K (2019). Neuropsychological, Psychiatric, and Functional Correlates of Clinical Trial Enrollment. J Prev Alzheimers Dis, 6(4), 242-247. (Read full article)
    32. Duff K, Foster NL, Dennett K, Hammers DB, Zollinger LV, Christian PE, Butterfield RI, Beardmore BE, Wang AY, Morton KA, Hoffman JM (2013). Amyloid deposition and cognition in older adults: the effects of premorbid intellect. Arch Clin Neuropsychol, 28(7), 665-71. (Read full article)
    33. Gerstenecker A, Mast B, Duff K, Ferman TJ, Litvan I, ENGENE-PSP Study Group (2013). Executive dysfunction is the primary cognitive impairment in progressive supranuclear palsy. Arch Clin Neuropsychol, 28(2), 104-13. (Read full article)
    34. Duff K, Gerstenecker A, Litvan I, investigators and coordinators of the ENGENE-PSP Study Group (2013). Functional impairment in progressive supranuclear palsy. Neurology, 80(4), 380-4. (Read full article)
    35. Duff K (2012). Evidence-based indicators of neuropsychological change in the individual patient: relevant concepts and methods. Arch Clin Neuropsychol, 27(3), 248-61. (Read full article)
    36. Duff K, Dennett K, Tometich D (2012). Predicting current memory with the modified telephone interview for cognitive status. Am J Alzheimers Dis Other Demen, 27(3), 175-9. (Read full article)
    37. Duff K, Chelune G, Dennett K (2012). Within-session practice effects in patients referred for suspected dementia. Dement Geriatr Cogn Disord, 33(4), 245-9. (Read full article)
    38. Duff K, Callister C, Dennett K, Tometich D (2012). Practice effects: a unique cognitive variable. Clin Neuropsychol, 26(7), 1117-27. (Read full article)
    39. Wolinsky FD, Vander Weg MW, Howren MB, Jones MP, Martin R, Luger TM, Duff K, Dotson MM (2011). Interim analyses from a randomised controlled trial to improve visual processing speed in older adults: the Iowa Healthy and Active Minds Study. BMJ Open, 1(2), e000225. (Read full article)
    40. Duff K, Lyketsos CG, Beglinger LJ, Chelune G, Moser DJ, Arndt S, Schultz SK, Paulsen JS, Petersen RC, McCaffrey RJ (2011). Practice effects predict cognitive outcome in amnestic mild cognitive impairment. Am J Geriatr Psychiatry, 19(11), 932-9. (Read full article)
    41. Wolinsky FD, Vander Weg MW, Howren MB, Jones MP, Martin R, Luger TM, Duff K, Goerdt C, Wolfe S, Dotson MM (2011). Protocol for a randomised controlled trial to improve cognitive functioning in older adults: the Iowa Healthy and Active Minds Study. BMJ Open, 1(2), e000218. (Read full article)
    42. Duff K, Hobson VL, Beglinger LJ, OBryant SE (2010). Diagnostic accuracy of the RBANS in mild cognitive impairment: limitations on assessing milder impairments. Arch Clin Neuropsychol, 25(5), 429-41. (Read full article)
    43. Duff K, Beglinger LJ, Moser DJ, Paulsen JS, Schultz SK, Arndt S (2010). Predicting cognitive change in older adults: the relative contribution of practice effects. Arch Clin Neuropsychol, 25(2), 81-8. (Read full article)
    44. Duff K, Beglinger LJ, Van Der Heiden S, Moser DJ, Arndt S, Schultz SK, Paulsen JS (2008). Short-term practice effects in amnestic mild cognitive impairment: implications for diagnosis and treatment. Int Psychogeriatr, 20(5), 986-99. (Read full article)
    45. Duff K, Beglinger LJ, Schultz SK, Moser DJ, McCaffrey RJ, Haase RF, Westervelt HJ, Langbehn DR, Paulsen JS, Huntingtons Study Group (2007). Practice effects in the prediction of long-term cognitive outcome in three patient samples: a novel prognostic index. Arch Clin Neuropsychol, 22(1), 15-24. (Read full article)
    46. Duff K, Beglinger LJ, Schoenberg MR, Patton DE, Mold J, Scott JG, Adams RL (2005). Test-retest stability and practice effects of the RBANS in a community dwelling elderly sample. J Clin Exp Neuropsychol, 27(5), 565-75. (Read full article)
    47. Duff K, Schoenberg MR, Patton D, Mold J, Scott JG, Adams RL (2004). Predicting change with the RBANS in a community dwelling elderly sample. J Int Neuropsychol Soc, 10(6), 828-34. (Read full article)
    48. Duff K, Patton D, Schoenberg MR, Mold J, Scott JG, Adams RL (2003). Age- and education-corrected independent normative data for the RBANS in a community dwelling elderly sample. Clin Neuropsychol, 17(3), 351-66. (Read full article)

    Letter

    1. Schaefer SY, Malek-Ahmadi M, Hooyman A, King JB, Duff K (2021). Association Between Motor Task Performance and Hippocampal Atrophy Across Cognitively Unimpaired, Amnestic Mild Cognitive Impairment, and Alzheimer's Disease Individuals. [Letter to the editor]. J Alzheimers Dis, 85(4), 1411-1417. (Read full article)
    2. Schaefer SY, Hooyman A, Duff K (2020). Using a Timed Motor Task to Predict One-Year Functional Decline in Amnestic Mild Cognitive Impairment. [Letter to the editor]. J Alzheimers Dis, 77(1), 53-58. (Read full article)
    3. Duff K, Beglinger LJ, Moser DJ, Schultz SK, Paulsen JS (2010). Practice effects and outcome of cognitive training: preliminary evidence from a memory training course. [Letter to the editor]. Am J Geriatr Psychiatry, 18(1), 91. (Read full article)