Andrew Petkus

Title(s)Assistant Professor Of Clinical Neurology
AddressCHP 1540 Alcazar
Health Sciences Campus
Los Angeles CA 90033
Phone+1 323 442 8050
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    Collapse Biography 
    Collapse Education and Training
    San Diego State University / University of California, San DiegoPh.D.08/2014Clinical Psychology
    University of South FloridaM.A.05/2008Gerontology
    University of Wisconsin-OshkoshB.S.01/2006Psychology

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    Publications listed below are automatically derived from MEDLINE/PubMed and other sources, which might result in incorrect or missing publications. Researchers can login to make corrections and additions, or contact us for help. to make corrections and additions.
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    Altmetrics Details PMC Citations indicate the number of times the publication was cited by articles in PubMed Central, and the Altmetric score represents citations in news articles and social media. (Note that publications are often cited in additional ways that are not shown here.) Fields are based on how the National Library of Medicine (NLM) classifies the publication's journal and might not represent the specific topic of the publication. Translation tags are based on the publication type and the MeSH terms NLM assigns to the publication. Some publications (especially newer ones and publications not in PubMed) might not yet be assigned Field or Translation tags.) Click a Field or Translation tag to filter the publications.
    1. Cognition and motor learning in a Parkinson's disease cohort: importance of recall in episodic memory. Neuroreport. 2021 Oct 06; 32(14):1153-1160. Chung YC, Fisher BE, Finley JM, Kim A, Petkus AJ, Schiehser DM, Jakowec MW, Petzinger GM. PMID: 34334776.
      View in: PubMed   Mentions:    Fields:    
    2. The importance of social support, engagement in leisure activities, and cognitive reserve in older adulthood. Int Psychogeriatr. 2021 May; 33(5):433-435. Petkus AJ, Gomez ME. PMID: 34057062.
      View in: PubMed   Mentions:    Fields:    
    3. Thalamic volume mediates associations between cardiorespiratory fitness (VO2max) and cognition in Parkinson's disease. Parkinsonism Relat Disord. 2021 May; 86:19-26. Petkus AJ, Jarrahi B, Holschneider DP, Gomez ME, Filoteo JV, Schiehser DM, Fisher BE, Van Horn JD, Jakowec MW, McEwen SC, Petzinger G. PMID: 33819900.
      View in: PubMed   Mentions:    Fields:    
    4. Cognitive Reserve, Alzheimer's Neuropathology, and Risk of Dementia: A Systematic Review and Meta-Analysis. Neuropsychol Rev. 2021 06; 31(2):233-250. Nelson ME, Jester DJ, Petkus AJ, Andel R. PMID: 33415533.
      View in: PubMed   Mentions: 2     Fields:    
    5. Cognitive effects of theta frequency bilateral subthalamic nucleus stimulation in Parkinson's disease: A pilot study. Brain Stimul. 2021 Mar-Apr; 14(2):230-240. Lam J, Lee J, Williams M, Cohn M, Wilson M, Mark C, Esnaashari N, Petkus A, Hui J, Feigenbaum D, Liker M, Liu CY, Lee B, Lee DJ. PMID: 33418095.
      View in: PubMed   Mentions:    Fields:    
    6. Outdoor air pollution exposure and inter-relation of global cognitive performance and emotional distress in older women. Environ Pollut. 2021 Feb 15; 271:116282. Petkus AJ, Wang X, Beavers DP, Chui HC, Espeland MA, Gatz M, Gruenewald T, Kaufman JD, Manson JE, Resnick SM, Stewart JD, Wellenius GA, Whitsel EA, Widaman K, Younan D, Chen JC. PMID: 33385889.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    7. PM2.5 associated with gray matter atrophy reflecting increased Alzheimers risk in older women. Neurology. 2020 11 18. Younan D, Wang X, Casanova R, Barnard R, Gaussoin SA, Saldana S, Petkus AJ, Beavers DP, Resnick SM, Manson JE, Serre ML, Vizuete W, Henderson VW, Sachs BC, Salinas JA, Gatz M, Espeland MA, Chui HC, Shumaker SA, Rapp SR, Chen JC, Women's Health Initiative . PMID: 33208540.
      View in: PubMed   Mentions:    Fields:    
    8. Air Pollution and the Dynamic Association Between Depressive Symptoms and Memory in Oldest-Old Women. J Am Geriatr Soc. 2021 02; 69(2):474-484. Petkus AJ, Younan D, Wang X, Beavers DP, Espeland MA, Gatz M, Gruenewald TL, Kaufman JD, Chui HC, Manson JE, Resnick SM, Wellenius GA, Whitsel EA, Widaman K, Chen JC. PMID: 33205418.
      View in: PubMed   Mentions:    Fields:    Translation:HumansPHPublic Health
    9. Trajectories of Big Five Personality Traits: A Coordinated Analysis of 16 Longitudinal Samples. Eur J Pers. 2020 May; 34(3):301-321. Graham EK, Weston SJ, Gerstorf D, Yoneda TB, Booth T, Beam CR, Petkus AJ, Drewelies J, Hall AN, Bastarache ED, Estabrook R, Katz MJ, Turiano NA, Lindenberger U, Smith J, Wagner GG, Pedersen NL, Allemand M, Spiro A, Deeg DJH, Johansson B, Piccinin AM, Lipton RB, Schaie KW, Willis S, Reynolds CA, Deary IJ, Hofer SM, Mroczek DK. PMID: 33564207.
      View in: PubMed   Mentions:
    10. Neuroticism predicts fear of falling after hip fracture. Int J Geriatr Psychiatry. 2020 05; 35(5):498-506. Bower ES, Wetherell JL, Petkus AJ, Lenze EJ. PMID: 31894600.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    11. Mild cognitive impairment, psychiatric symptoms, and executive functioning in patients with Parkinson's disease. Int J Geriatr Psychiatry. 2020 04; 35(4):396-404. Petkus AJ, Filoteo JV, Schiehser DM, Gomez ME, Hui JS, Jarrahi B, McEwen S, Jakowec MW, Petzinger GM. PMID: 31894601.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    12. Particulate matter and episodic memory decline mediated by early neuroanatomic biomarkers of Alzheimer's disease. Brain. 2020 01 01; 143(1):289-302. Younan D, Petkus AJ, Widaman KF, Wang X, Casanova R, Espeland MA, Gatz M, Henderson VW, Manson JE, Rapp SR, Sachs BC, Serre ML, Gaussoin SA, Barnard R, Saldana S, Vizuete W, Beavers DP, Salinas JA, Chui HC, Resnick SM, Shumaker SA, Chen JC. PMID: 31746986.
      View in: PubMed   Mentions: 18     Fields:    Translation:HumansPHPublic Health
    13. Exposure to fine particulate matter and temporal dynamics of episodic memory and depressive symptoms in older women. Environ Int. 2020 02; 135:105196. Petkus AJ, Younan D, Widaman K, Gatz M, Manson JE, Wang X, Serre M, Vizuete W, Chui H, Espeland MA, Resnick S, Chen JC. PMID: 31881430.
      View in: PubMed   Mentions: 7     Fields:    Translation:HumansPHPublic Health
    14. Particulate Air Pollutants and Trajectories of Depressive Symptoms in Older Women. Am J Geriatr Psychiatry. 2019 10; 27(10):1083-1096. Petkus AJ, Younan D, Wang X, Serre M, Vizuete W, Resnick S, Espeland MA, Gatz M, Chui H, Manson JE, Chen JC. PMID: 31311712.
      View in: PubMed   Mentions: 4     Fields:    Translation:HumansPHPublic Health
    15. General and domain-specific cognitive reserve, mild cognitive impairment, and dementia risk in older women. Alzheimers Dement (N Y). 2019; 5:118-128. Petkus AJ, Resnick SM, Rapp SR, Espeland MA, Gatz M, Widaman KF, Wang X, Younan D, Casanova R, Chui H, Barnard RT, Gaussoin S, Goveas JS, Hayden KM, Henderson VW, Sachs BC, Saldana S, Shadyab AH, Shumaker SA, Chen JC. PMID: 31011622.
      View in: PubMed   Mentions:
    16. Worse cognitive performance predicts increased anxiety and depressive symptoms in patients with Parkinson's disease: A bidirectional analysis. Neuropsychology. 2019 Jan; 33(1):35-46. Petkus AJ, Filoteo JV, Schiehser DM, Gomez ME, Petzinger G. PMID: 30335414.
      View in: PubMed   Mentions: 7     Fields:    Translation:Humans
    17. Integrated Exposure Therapy and Exercise Reduces Fear of Falling and Avoidance in Older Adults: A Randomized Pilot Study. Am J Geriatr Psychiatry. 2018 08; 26(8):849-859. Wetherell JL, Bower ES, Johnson K, Chang DG, Ward SR, Petkus AJ. PMID: 29754811.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    18. Childhood Trauma Is Associated With Poorer Cognitive Performance in Older Adults. J Clin Psychiatry. 2018 Jan/Feb; 79(1). Petkus AJ, Lenze EJ, Butters MA, Twamley EW, Wetherell JL. PMID: 29228518.
      View in: PubMed   Mentions: 3     Fields:    Translation:Humans
    19. Age Differences in Death and Suicidal Ideation in Anxious Primary Care Patients. Clin Gerontol. 2018 Jul-Sep; 41(4):271-281. Petkus AJ, Wetherell JL, Stein MB, Chavira DA, Craske MG, Sherbourne C, Sullivan G, Bystritsky A, Roy-Byrne P. PMID: 28960158.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    20. Temporal dynamics of cognitive performance and anxiety across older adulthood. Psychol Aging. 2017 05; 32(3):278-292. Petkus AJ, Reynolds CA, Wetherell JL, Kremen WS, Gatz M. PMID: 28333502.
      View in: PubMed   Mentions: 13     Fields:    Translation:Humans
    21. Gene-environment interplay in depressive symptoms: moderation by age, sex, and physical illness. Psychol Med. 2017 Jul; 47(10):1836-1847. Petkus AJ, Beam CR, Johnson W, Kaprio J, Korhonen T, McGue M, Neiderhiser JM, Pedersen NL, Reynolds CA, Gatz M, IGEMS Consortium . PMID: 28202098.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    22. Fear of Falling after Hip Fracture: Prevalence, Course, and Relationship with One-Year Functional Recovery. Am J Geriatr Psychiatry. 2016 12; 24(12):1228-1236. Bower ES, Wetherell JL, Petkus AJ, Rawson KS, Lenze EJ. PMID: 27726939.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    23. Activity, balance, learning, and exposure (ABLE): a new intervention for fear of falling. Int J Geriatr Psychiatry. 2016 07; 31(7):791-8. Wetherell JL, Johnson K, Chang D, Ward SR, Bower ES, Merz C, Petkus AJ. PMID: 26729564.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    24. Stability of Genetic and Environmental Contributions to Anxiety Symptoms in Older Adulthood. Behav Genet. 2016 07; 46(4):492-505. Petkus AJ, Gatz M, Reynolds CA, Kremen WS, Wetherell JL. PMID: 26659832.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    25. Anxiety is associated with increased risk of dementia in older Swedish twins. Alzheimers Dement. 2016 Apr; 12(4):399-406. Petkus AJ, Reynolds CA, Wetherell JL, Kremen WS, Pedersen NL, Gatz M. PMID: 26549599.
      View in: PubMed   Mentions: 22     Fields:    Translation:Humans
    26. Age moderates response to acceptance and commitment therapy vs. cognitive behavioral therapy for chronic pain. Int J Geriatr Psychiatry. 2016 Mar; 31(3):302-8. Wetherell JL, Petkus AJ, Alonso-Fernandez M, Bower ES, Steiner AR, Afari N. PMID: 26216753.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    27. A new measure of fear of falling: psychometric properties of the fear of falling questionnaire revised (FFQ-R). Int Psychogeriatr. 2015 Jul; 27(7):1121-33. Bower ES, Wetherell JL, Merz CC, Petkus AJ, Malcarne VL, Lenze EJ. PMID: 25079081.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    28. Anxiety and cognitive impairment in homebound older adults. Int J Geriatr Psychiatry. 2013 Sep; 28(9):989-90. Petkus AJ, Gum AM, Wetherell JL. PMID: 23913843.
      View in: PubMed   Mentions: 2     Fields:    Translation:Humans
    29. Antidepressant medication augmented with cognitive-behavioral therapy for generalized anxiety disorder in older adults. Am J Psychiatry. 2013 Jul; 170(7):782-9. Wetherell JL, Petkus AJ, White KS, Nguyen H, Kornblith S, Andreescu C, Zisook S, Lenze EJ. PMID: 23680817.
      View in: PubMed   Mentions: 12     Fields:    Translation:HumansCTClinical Trials
    30. Age differences in treatment response to a collaborative care intervention for anxiety disorders. Br J Psychiatry. 2013 Jul; 203(1):65-72. Wetherell JL, Petkus AJ, Thorp SR, Stein MB, Chavira DA, Campbell-Sills L, Craske MG, Sherbourne C, Bystritsky A, Sullivan G, Roy-Byrne P. PMID: 23580378.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    31. Acceptance and Commitment Therapy with Older Adults: Rationale and Considerations. Cogn Behav Pract. 2013 Feb; 20(1):47-56. Petkus AJ, M A , Wetherell JL. PMID: 26997859.
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    32. Information processing bias and pharmacotherapy outcome in older adults with generalized anxiety disorder. J Anxiety Disord. 2013 Aug; 27(6):592-7. Steiner AR, Petkus AJ, Nguyen H, Wetherell JL. PMID: 23245629.
      View in: PubMed   Mentions: 1     Fields:    Translation:Humans
    33. History of sexual assault is associated with greater declines in executive functioning in older adults with APOE epsilon4. J Gerontol B Psychol Sci Soc Sci. 2012 Nov; 67(6):653-9. Petkus AJ, Wetherell JL, Stein MB, Liu L, Barrett-Connor E. PMID: 22357643.
      View in: PubMed   Mentions: 8     Fields:    Translation:Humans
    34. Thought suppression is associated with psychological distress in homebound older adults. Depress Anxiety. 2012 Mar; 29(3):219-25. Petkus AJ, Gum A, Wetherell JL. PMID: 22170756.
      View in: PubMed   Mentions:    Fields:    Translation:Humans
    35. Six-month longitudinal patterns of mental health treatment utilization by older adults with depressive symptoms. Psychiatr Serv. 2011 Nov; 62(11):1353-60. Gum AM, Iser L, King-Kallimanis BL, Petkus A, DeMuth A, Schonfeld L. PMID: 22211216.
      View in: PubMed   Mentions: 4     Fields:    Translation:Humans
    36. A randomized, controlled trial of acceptance and commitment therapy and cognitive-behavioral therapy for chronic pain. Pain. 2011 Sep; 152(9):2098-2107. Wetherell JL, Afari N, Rutledge T, Sorrell JT, Stoddard JA, Petkus AJ, Solomon BC, Lehman DH, Liu L, Lang AJ, Atkinson HJ. PMID: 21683527.
      View in: PubMed   Mentions: 108     Fields:    Translation:Humans
    37. Acceptance and Commitment Therapy for generalized anxiety disorder in older adults: a preliminary report. Behav Ther. 2011 Mar; 42(1):127-34. Wetherell JL, Afari N, Ayers CR, Stoddard JA, Ruberg J, Sorrell JT, Liu L, Petkus AJ, Thorp SR, Kraft A, Patterson TL. PMID: 21292059.
      View in: PubMed   Mentions: 20     Fields:    Translation:Humans
    38. Evaluation of the factor structure and psychometric properties of the Brief Symptom Inventory-18 with homebound older adults. Int J Geriatr Psychiatry. 2010 Jun; 25(6):578-87. Petkus AJ, Gum AM, Small B, Malcarne VL, Stein MB, Wetherell JL. PMID: 20013879.
      View in: PubMed   Mentions: 14     Fields:    Translation:HumansPHPublic Health
    39. Behavioral health service utilization and preferences of older adults receiving home-based aging services. Am J Geriatr Psychiatry. 2010 Jun; 18(6):491-501. Gum AM, Iser L, Petkus A. PMID: 21217560.
      View in: PubMed   Mentions: 29     Fields:    Translation:Humans
    40. Trauma history is associated with psychological distress and somatic symptoms in homebound older adults. Am J Geriatr Psychiatry. 2009 Sep; 17(9):810-8. Petkus AJ, Gum AM, King-Kallimanis B, Wetherell JL. PMID: 19700953.
      View in: PubMed   Mentions: 6     Fields:    Translation:Humans
    41. Older adults are less accurate than younger adults at identifying symptoms of anxiety and depression. J Nerv Ment Dis. 2009 Aug; 197(8):623-6. Wetherell JL, Petkus AJ, McChesney K, Stein MB, Judd PH, Rockwell E, Sewell DD, Patterson TL. PMID: 19684501.
      View in: PubMed   Mentions: 15     Fields:    Translation:Humans
    42. Behavioral health needs and problem recognition by older adults receiving home-based aging services. Int J Geriatr Psychiatry. 2009 Apr; 24(4):400-8. Gum AM, Petkus A, McDougal SJ, Present M, King-Kallimanis B, Schonfeld L. PMID: 18836987.
      View in: PubMed   Mentions: 16     Fields:    Translation:Humans
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