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Department of Psychology

Jonathan Hammersley with family

Jonathan J. Hammersley, Ph.D.

Professor and Advisor for Mental Health Minor

Education

Dr. Hammersley earned an M.A.and Ph.D. in Clinical Psychology from Southern Illinois University-Carbondale. He completed a pre-doctoral internship in the Department of Psychiatry at Indiana University School of Medicine and postdoctoral training in neurocognitive & neuropsych assessment.

Jonathan Hammersley

Teaching

Dr. Hammersley regularly teaches courses in substance use (e.g., PSY 334 Perspectives on Substance Use, PSY434 Substance Abuse Treatment Approaches and Techniques) as well as Psychopathology (PSY 424), Clinical Psychology (PSY 380), Psychology Field Experience/Community INternship (PSY 487), & graduate seminars on clinical psychological science (e.g. PSY 600). He also frequently supervises undergraduate or graduate independent studies.

Service

Recent service includes the department personnel, university online student evals, colloqium, graduate and ILLOWA conference planning, and experimental psychology graduate steering committees, as well as the Center for Innovation in Teaching & Research Advisory Board, University Graduate Council, and the Midwestern regional Psi Chi Steering committee and the MPA Program committee.听

Research

Some Recent or Current Projects
  • Video Game Imagery - developing standardized stimuli to be used in gaming research
  • Psychological and Neurobiological Individual Differences in Substance Use
  • Substance Use & Mental Health Symptoms in College Students
  • Clinical Treatments / Psychotherapy Outcomes (i.e. symptom improvement during psychological treatment)
  • Responses to Trauma/Victimization

Much of his clinical work and research has involved neuropsychology/neurocognitive assessment, addictive behaviors, or mood and affect (e.g. emotional distractability and attentional mechanisms that may lead to or maintain psychopathology or drug use). He is particularly interested in studying substance use, including smoking, in relation to psychological disorders (i.e., ADHD) and mental health symptoms (i.e., depression or anxiety).

Recent Scholarly Activities

Recent Scholarly Activities (*indicates current or former student co-athor)

Selected Journal Articles

Gilbertson, R., Hammersley, J., Birkholz, S., & Keefe, K.M.听 (2024) Standardization and Ratings of a Gaming Image Database for Visual Processing Research. 础诲诲颈肠迟补.听 Published online July 15, 2024. doi:10.5152/ADDICTA.2024.240801.听

Stone, B. M., Hammersley, J., Rabinovich, N. E., & Gilbert, D.G. 听(2024) Effects of Nicotine Patches on Early and Late Attentional Bias to Smoking Cues: We May Know Less than We Think. Experimental & Clinical Psychopharmacology. 听Advance online publication.

Keefe, K., Moore, S., Hammersley, J., & Kopatich, R. (2023). The Role of Binge Eating in Suicidality for Recent Sexual Assault Survivors in Treatment. Journal of College Student Mental Health. Doi: 10.1080/87568225.2023.2173115.

Delios, A., Clemente, E., Wu, T., Tan, H., Wang, Y., Gordon, M., Viganola,听D., Chen, Z., Dreber, A., Johannesson, M., Pfeiffer, T., Generalizability Tests Forecasting Collaboration*, & Uhlmann, E. (2022). Examining the context sensitivity of research findings from archival data. Proceedings of the National Academy of Sciences (PNAS). 听 *Member of Forecasting Collaboration.

Lucke, H.*, Mathes, E., Harbke, C., & Hammersley, J. (2021). Higher Emotion Dysregulation and Coping Motives in Alcohol and Marijuana Users. Substance Use & Misuse, 56:7, 950-961, DOI: 鈥� 鈥�

Keefe, K.M., Hammersley, J. , Sizemore, S.*, Bainter, T.,& Najdek, R.* (2020). Presenting Symptoms and Psychological Treatment Outcomes among First Generation and Non-First Generation College Students. (In press, Journal of College Student Psychotherapy). DOI: 鈥�

Dunkel, C., Hammersley, J., Waters, M.*, Watson, L.*, Walen, A.*, & Van der Linden, D. (2020) The Effect of Early Childhood Intervention on Risk-taking, Mental Health, and Cognitive Ability: The Mediating Role of Life History Strategy. Evolutionary Behavioral Sciences 15, 27-41.

Hammersley, J., Waters, M., & Keefe K.M. Use of Peer Mentoring, Interdisciplinary Collaboration, and Archival Datasets for Engaging Undergraduates in Publishable Research (2019). Frontiers Psychology, 10:96. doi: 10.3389/fpsyg.2019.00096.

Keefe, K., Sizemore, S., Hammersley, J., & Sunami, N. (2018) Recent Sexual Assault and Suicidal Behaviors in College Students: The Moderating Role of Anger. Journal of College Counseling, 21, 98-110.

Sunami, N., Hammersley, J. J., & Keefe, K. M. (2017). The role of alcohol problems in the association between intimate partner abuse and suicidality among college students. Psychology of Violence. Advance online publication.

Hammersley, J., Gilbert, D. G., Rzetelny, A., & Rabinovich, N. E. (2016) Moderation of Nicotine Effects on Covert Orienting of Attention Tasks by Poor Placebo Performance and Cue Validity. Pharmacology, Biochemistry & Behavior, 149, 9-16. doi:

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Selected Book Chapters

Pashak, T., Hammersley, J., Zatkin, J., & Waldron, J. Mentorship for Applied Psychology Fields: Challenges, Successes, & Future Directions. Chapter in Teaching Tips: A Compendium of Conferences Presentations on Teaching. Society for the Teaching of Psychology.

Hammersley, J., Randazzo, B, & Keefe, K. (2023). Personality Traits Associated With ADHD Symptomatology In College Students. Book Chapter, in A Guide to Clinical Psychology. Hauppauge, NY: Nova Science Publishers.

Hammersley, J. & Stone, B. (2023). Individual differences affecting smoking cessation: Clinical implications and future directions. Book Chapter, in A Guide to Clinical Psychology. Hauppauge, NY: Nova Science Publishers.

Hammersley, J. & Keefe, K. (2015). Metacognitive Approaches in Undergraduate Psychology Courses. In C. Sweet, H. Blythe, & R. Carpenter, It Works for me, Metacognitively. Stillwater, Oklahoma: New Forums Press.

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Selected Conference Presentations

Hammersley, J. (2024). Challenges & Successes in the Development of a Mental Health Minor. Presentation, 2024 Society for Teaching of Psychology Career 鈥楳entorship for Applied Psychology Fields鈥� Symposium at Annual Meeting of the Midwestern Psychological Association. Chicago IL.

McCarty, A., Gilbertson, R., Hammersley, J., Hale, D., Birkholz, S., & Keefe, K.M. Standardization of a Video Game Imagery Database. Presentation at 2024 Annual Meeting of the Midwestern Psychological Association. Chicago IL.

Hammersley, J.听 & Stone, B. Nicotine Effects on Attentional (Eye Gaze) Bias to Smoking Cues. Presentation at 2024 Annual Meeting of the Midwestern Psychological Association. Chicago IL.

Keefe, K. & Hammersley, J. Treatment differences in gender nonconforming college students after sexual assault. Poster presentation, 2023 Annual Meeting of the Midwestern Psychological Association. Chicago IL.

Hammersley, J.听 Conversations with Graduate Faculty. Symposium Presentation, 2022 Annual Meeting of the Midwestern Psychological Association. Chicago IL.

Keefe, K., Hammersley, J., Sunami, N.*, Pryor, S.*, & Morgan, R. (2021) Suicide Exposure and Suicide Likelihood in Emergency Medical Professionals. Poster presentation at APS 2021 Virtual Convention.

Hammersley, J., Keefe, K., Ballesteros-Font, L.*, & Harbke, C. (2021) Examining Negative Psychotherapy Effects in College Students. Poster presentation at APS 2021 Virtual Convention.

Coulter-Kern, M. & Hammersley, J. (2021) Getting In: Applying to Graduate Programs. Symposium presentation at 2021 Annual Meeting of the Midwestern Psychological Association.

Hammersley, J., Gilbertson, R., Kolaczkowski,, B.*, Leff, D.*, Waters, M., Hartnett, N. & Keefe, KM. (2020, May). Development of a Video Game Image Ratings Database. Virtual poster presentation at the 32nd APS Annual Convention, Chicago, IL.

Dunkel, C., Hammersley, J., Walen, A.*, Waters, M., Watson, L. *, Le, A. *, Kolaczkowski, B. *, & van der Linden, D. (2019, April). Life History Mediates Effects of Childhood Intervention on Clinical Outcomes. Presentation at the Annual Meeting of the Midwestern Psychological Association.

Waters, M., Hammersley, J., Kolaczkowski, B.*, & Huerta, O.* (2019, April). Individual Differences Associated with Resistance to Peer Influence in Drug Use. Presentation at the Annual Meeting of the Midwestern Psychological Association.

Hammersley, J. & Stone, B.* (2019, April). Graduate Faculty Conversations. Invited Roundtable/Seminar Presentation at the Annual Meeting of the Midwestern Psychological Association.

Coeur, V. J., Hammersley, J., Watts, D., Baker, C., & Pettigout, N. (2019, April). The Legalization of Recreational Marijuana: Counseling and Community Perspectives. Panel/symposium presentation, West Central Illinois Professional Counselors' Association, Macomb IL.

Van Fossen, R.*, Kazakova, N.*, & Hammersley, J. (2018, May). Perceived Peer Drug Use Relates to Personal Drug Use Among Stressed College Students. Poster presentation, Annual Convention of the Association for Psychological Science, San Francisco CA.

Hammersley, J., Keefe, K., Jamnik, M.*, Fullerton, E.*, Ritter, K.*, & Waters, M.* (2018, April) Individual Differences Associated with Caffeine Use and Caffeine Motives. Presentation at the Annual Meeting of the Midwestern Psychological Association, Chicago, IL.

Jamnik, M.* & Hammersley, J. (2018). Caffeine Use and Anxiety: The Role of Exercise Frequency. Presentation at the Annual Meeting of the Midwestern Psychological Association, Chicago, IL.

Hammersley, J., Lucke, H.*, Keefe K., Aleshire, B.*, & Harbke, C. (2017, April) Marijuana Use Among College Students with Mood and Anxiety Disorders. Poster presented at the Annual Meeting of the Midwestern Psychological Association, Chicago, IL.

Hammersley, J., Cieck, T.*, Sunami, N.*, Hertel, A., & Van Fossen, R.* (2017, April) Factors Related to Co-Occurring Cigarette Use and Prescription Stimulant Misuse. Poster presented at Annual Meeting of the Midwestern Psychological Association, Chicago IL.

Keefe K., Sizemore, S.*,Hammersley, J., Cieck, T.*, & Morgan, A.* (2017, April) Treatment Seeking and Mental Health in First-Generation College Students.听 Poster presented at the Annual Meeting of the Midwestern Psychological Association, Chicago, IL.

Hammersley, J., Sizemore, S.*, Winter, M.* (2016). Subliminal Attentional Processing in an Animate-Inanimate Cued Attention Task. Poster Presented at the Annual Convention of the Association for Psychological Science, Chicago, IL.

Kazakova, N.*, Hammersley, J., Batis, J., & Keefe, K. (2016). Correlates of inhalant use in a sample of college students. Poster Presented at the Annual Convention of the Association for Psychological Science, Chicago, IL.

Van Fossen, R.*, Hammersley, J., Batis, J., Jamnik, M.*, Cirks, M.*, Kazakova, N.*, Aleshire, B. * (2016). Overestimation of Peer Substance Use among College Students: Associations with Negative Academic and Mental Health Outcomes. Poster Presented at the Annual Convention of the Association for Psychological Science, Chicago, IL.

Keefe, K., Berg, P.*, & Hammersley, J. (2015) Treatment seeking and reported difficulties associated with AD/HD in college students. Poster presented at the annual meeting of the Association of Behavioral and Cognitive Therapies, Chicago, IL.

Sunami, N.*, Hammersley, J., Keefe, K. (2015) Abusive Intimate Relationships and Suicidality: Alcohol-Related Problems as a Mediator. Poster presented at the annual meeting of the Association of Behavioral and Cognitive Therapies, Chicago, IL.

Smith, A.*, Hammersley, J., Keefe, K. (2015) The Association of Polysubstance use with the Presence of a Psychiatric Problem. Poster presented at the annual meeting of the Association of Behavioral and Cognitive Therapies, Chicago, IL.

Hammersley J., Sunami, N.*, & Gilbert, D. (2015, May)听Effects of nicotine on uncued spatial attention differ across baseline performance, repeated exposure, and gender.听Paper presented at the 87th annual meeting of the Midwestern Psychological Association, Chicago, IL.

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