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Dr. Alexandra E. Roach Ph.D.
Assistant Professor

Contact Information

Penland 237 O
Cognitive Neuroscience

Additional Information

View CV

Courses Taught

Dr. Roach teaches undergraduate courses in Neuroscience, Cognitive Processes, Psychopharmacology, Neurobiology of Stress, and Statsitics for Psychology, as well as labs for Neuroscience, Cognitive Processes, and Statsitics for Psychology. She also teaches graduate Neuroscience


Ph.D. University of California Davis, 2014 in Psychology, concentrated in Cognitive Neuroscience

M.S. Western Washington University, 2007 in Experimental Psychology

Professional Memberships

2018 – American Association of University Professors 
2015 – Psi Chi International Honors Society in Psychology 
2014 – Southeastern Psychological Association (SEPA) 
2009 – Society for Neuroscience (SfN) 
2004 – Cognitive Neuroscience Society (CNS) 
2013 – 2015 Organization for Human Brain Mapping (OHBM) 
2011 – 2014 International Society to Advance Alzheimer Research and Treatment (ISTAART) 

Honors and Awards

2018    Biomedical Research Excellence (INBRE) Extension Faculty Mentor
             An investigation into the neuroscience of emotion-processing using noninvasive 
             brain stimulation 
(M. Rodriguez, $5000)

2018    Biomedical Research Excellence (INBRE) Primer Faculty Mentor
             Effects of Anxiety on Inhibitory and Attentional Control 
            (K. Thomas, $2000)

2018     Biomedical Research Excellence (INBRE) Primer Faculty Mentor
             The Effects of Vascular Risk Factors on Inhibitory Control in 
            Cognitively Healthy Young Adults
(J. Seremak, $2000)

2017    Biomedical Research Excellence (INBRE) Primer Faculty Mentor
             Effects of High Definition Transcranial Direct Current Stimulation on 
            Inhibitory Control
 (M. Rodriguez, $2000)

2017    Research Initiative for Summer Engagement (RISE) Award Recipient, USC Columbia ($6000)
             Efficacy of transcranial magnetic stimulation (TMS) for pharmacoresistant 
            major depressive disorder (MDD) in active duty military personnel

2015    Biomedical Research Excellence (INBRE) Primer Faculty Mentor 
             Effects of Diabetes on Working Memory (T. Coleman, $1500)

2016    Biomedical Research Excellence (INBRE) Primer Faculty Mentor
             Diabetes and Inhibitory Control (B. Hall, $1500)

2015    Research Initiative for Summer Engagement (RISE) Award Recipient, USC Columbia ($5997.11)
             Diabetes influences inhibitory control performance independent of age in 
            cognitively normal older adults.

2015    Early Career Research Award Finalist, Southeastern Psychological Association 
            (SEPA) 61st Annual Meeting

2015     HAS Travel Award recipient

Research Interests

Please come see me if you are interested in research in any of the following areas:

Executive Function

Cognitive control

Inhibitory control

Working memory

Episodic memory

Attentional bias

Emotion regulation





HD-tDCS (non-invasive brain stimulation)


Research Experiences

Dr. Roach is part of the USCA INBRE Research Faculty for Biomedical research 



Peer Reviewed Publications

Accepted with revisions (^ denotes graduate student author)

Arnett, K., Roach, A. E., Elzy,  M., & Jelsone-Swain, L. Childhood Emotional Invalidation and Right Hemispheric Mu Suppression During a Pain Empathy Task: An EEG Study. Social Neuroscience.

Maillard, P., Fletcher, E., ROACH, A. E., Lockhart, S. N., Reed, B., Mungas, D., DeCarli, C., Carmichael, O. (2014). White matter hyperintensities and their penumbra lie along a continuum of injury in the aging brain. Stroke, 45, 1721-6. doi: 10.1161/STROKEAHA.113.004084.

Lockhart, S. N., ROACH, A. E., Luck, S. J., Geng, J., Beckett, L., Carmichael, O., DeCarli, C. (2014). White matter hyperintensities are associated with visual search behavior independent of generalized slowing in aging. Neuropsychologia52, 93-101. doi: 10.1016/j.neuropsychologia.2013.10.011

Lockhart, S. N., Mayda, A. V., ROACH, A. E., Fletcher, E., Carmichael, O., Maillard, P., Schwarz, C. G., Yonelinas, A. P., Ranganath, C., & DeCarli, C. (2012). Episodic memory function is associated with multiple measures of white matter integrity in cognitive aging. Frontiers in Human Neuroscience.

He, J., Wong, V. S. S., Fletcher, E., Maillard, P., Lee, D. Y., Iosif, A., Singh, B., Martinez, O., ROACH, A. E., Lockhart, S. N., Beckett, L., Mungas, D., Farias, S. T., Carmichael, O., DeCarli, C. (2012). The contributions of MRI-based measures of grey matter, white matter hyperintensity, and white matter integrity to late-life cognition. American Journal of Neuroradiology33, 1797-803. doi: 10.3174/ajnr.A3048


Invited Book Chapters

Ragen, B.J., ROACH, A.E., & Chollack, C. (2016). Chronic stress, regulation of emotion and functional activity of the brain. Ed. Fink, G. Stress Concepts and Cognition, Emotion and Behavior.  Elseveir. doi:10.1016/B978-0-12-800951-2.00029-7