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Katie Grein '13 presents her SMP

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Students can visit the College Archives (Calvert 009-ground floor) to read or view past St. Mary's Projects Mondays and Thursdays from 8 a.m. to 4 p.m. (appointments recommended).

Access to a full SMP can depend on how a student completed a release form, but most SMPs can be read or viewed in the College Archives without restriction.

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Kaitlin Gaylor

Gaylor, Kaitlin (2011, May). Neuroimaging correlates of IQ.
Mentor: Dr. Janet Kosarych-Coy

Abstract

The measurement of intelligence has been implicated in a variety of clinical and educational settings.  As neuroimaging techniques have advanced, the search for the location of intelligence in the brain has developed. The review of relevant literature has yielded six cerebral components that are thought to be associated with IQ, namely, grey matter, frontal lobe, temporal lobe, white matter, parietal lobe and the cerebellum, in that respective order.  These have been implemented in a variety of studies involving cognitive processes and intelligent behavior.  The current study investigated the relationship between these components and IQ scores, as assessed by the Weschler Abbreviated Scale of Intelligence (WASI) in 413 participants, ages 6-22.  This project was a secondary analysis of data collected from the National Institute of Health’s Study of Normal Brain Development (https://nihpd.crbs.ucsd.edu/nihpd/info/index.html).  A hierarchical multiple regression was used, entering each component in the above mentioned order based on the hypothesis. The temporal lobe emerged as the main predictor of intelligence, holding the only consistently significant positive relationship to IQ scores. The temporal lobe is part of the language processing area in the brain, and also contains the memory important hippocampus, which may explain its significance.


Read the paper (download the pdf)