The Faculty Notebook is published periodically by the Office of the Provost at Gettysburg College to bring to the attention of the campus community accomplishments and activities of academic interest. Faculty are encouraged to submit materials for consideration for publication to the Associate Provost for Faculty Development. Copies of this publication are available at the Office of the Provost.

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Differences In The Functional Neuroanatomy Of Inhibitory Control Across The Adult Life Span, Kristy A. Nielson, Scott Aaron Langenecker, Hugh Garavan Mar 2002

Differences In The Functional Neuroanatomy Of Inhibitory Control Across The Adult Life Span, Kristy A. Nielson, Scott Aaron Langenecker, Hugh Garavan

Psychology Faculty Research and Publications

Inhibitory control, the ability to suppress irrelevant stimuli, is a fundamental cognitive function that deteriorates during aging, but little is understood about the bases of decline. Thus, we used event-related functional magnetic resonance imaging (fMRI) to study inhibitory control in healthy adults aged 18 to 78. Activation during "successful inhibition" occurred predominantly in right prefrontal and parietal regions and was more extensive, bilaterally, and prefrontally, in the older groups. Presupplementary motor area was also more active in poorer inhibitory performers. Therefore, older adults activate areas that are comparable to those activated by young adults during inhibition, as well as additional …

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