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Jessica is a graduate student in the Cognition, Brain, and Behavior program in the Department of Psychology at Harvard University.  Her research focuses on understanding how the brain changes throughout the lifespan, as well as how one might be able to use this information to help explain cognitive variation among individuals.  Specific research techniques Jessica uses include correlational analysis of the fMRI BOLD signal and diffusion tensor imaging.  Whereas it is traditionally common to investigate structure and functional alterations within specific brain regions, Jessica is more interested in investigating how regions that comprise large-scale brain systems interact with one another.  Studying the interaction of regions within brain systems such as the default system has yielded interesting findings in advanced aging.  Functional correlations dramatically decline with increasing age in ways that predict cognition.  Jessica's current projects investigate the overall function of the default system, including its relation to learning and memory and social perception.

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Andrews-Hanna, J.R., Snyder, A.Z., Vincent, J.L., Lustig, C., Head, D., Fox, M.D., Raichle, M.E., & Buckner, R.L. (2007) Evidence for large-scale network disruption in advanced aging. Neuron, 56(5): 924-35. [medline abstract]

Roitman, J.D., Brannon, E.M., Andrews, J.R., & Platt, M.L. (2007). Nonverbal Representation of Time and Number  in Adults. Acta Psychologia, 124(3): 298-318.
[medline abstract]

Vincent, J.L., Snyder, A.Z., Fox, M.D., Shannon, B.J., Andrews, J.R., Raichle, M.E., & Buckner, R.L. (2006) Coherent spontaneous activity identifies a hippocampal-parietal memory network. Journal of Neurophysiology.  96: 3517-3531. [medline abstract]

Andrews, J.R., Wang, L., Csernansky, J.G., Gado, M.H., & Barch, D.M. (2006). Abnormalities of Thalamic Activation and Cognition in Schizophrenia. American Journal of Psychiatry; 163 (3)
[medline abstract]  

Merabet, L., Thut, G., Murray, B., Andrews, J.R., Hsiao, S., & Pascual-Leone, A. (2004). Feelling by sight or seeing by touch? Neuron. 42(1): 173-9.
[medline abstract]


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