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AGE-RELATED CHANGES IN COGNITIVE FUNCTIONING AND THEIR
IMPLICATIONS FOR THE REACQUISITION OF CONDITIONED TASTE
AVOIDANCES
by
Alexandra E. Ycaza
A Thesis Presented to the
FACULTY OF THE GRADUATE SCHOOL
UNIVERSITY OF SOUTHERN CALIFORNIA
In Partial Fulfillment of the
Requirements for the Degree
MASTER OF ARTS
(PSYCHOLOGY)
December 2009
Copyright 2009 Alexandra E. Ycaza
Object Description
| Title | Age-related changes in cognitive functioning and their implications for the reacquisition of conditioned taste avoidances |
| Author | Ycaza, Alexandra E. |
| Author email | ycaza@usc.edu; panda819@me.com |
| Degree | Master of Arts |
| Document type | Thesis |
| Degree program | Psychology |
| School | College of Letters, Arts and Sciences |
| Date defended/completed | 2009-03-23 |
| Date submitted | 2009 |
| Restricted until | Unrestricted |
| Date published | 2009-10-27 |
| Advisor (committee chair) | Chambers, Kathleen C. |
| Advisor (committee member) |
Lavond, David Walsh, John |
| Abstract | Both the human and animal literature report observations of marked age-related declines in cognitive functioning. The existing evidence indicates that the larger deficit involves the retention of newly learned behaviors, rather than the acquisition of those behaviors. However, one learning and memory paradigm, conditioned taste avoidances, suggests that aged animals show improvement in both learning and memory. Rather than displaying the usual decline in acquiring and maintaining a new behavior, aged animals show more robust learning and retention of these food-illness associations than younger cohorts. Following is a review of the age-related changes observed in the more traditional learning and memory paradigms, the age-related changes observed in the conditioned taste avoidance paradigm, hypotheses to explain the observed differences in both types of paradigms, and two preliminary experiments examining the impact of extinction on the reacquisition of a conditioned taste avoidance. |
| Keyword | aging; cognitive deficits; learning; memory; conditioned taste avoidances |
| Language | English |
| Part of collection | University of Southern California dissertations and theses |
| Publisher (of the original version) | University of Southern California |
| Place of publication (of the original version) | Los Angeles, California |
| Publisher (of the digital version) | University of Southern California. Libraries |
| Provenance | Electronically uploaded by the author |
| Type | texts |
| Legacy record ID | usctheses-m2695 |
| Contributing entity | University of Southern California |
| Rights | Ycaza, Alexandra E. |
| Repository name | Libraries, University of Southern California |
| Repository address | Los Angeles, California |
| Repository email | http://www.usc.edu/isd/libraries/services/ask_a_librarian/email/ |
| Filename | etd-Ycaza-3337 |
| Archival file | uscthesesreloadpub_Volume32/etd-Ycaza-3337.pdf |
Description
| Title | Page 1 |
| Contributing entity | University of Southern California |
| Full text | AGE-RELATED CHANGES IN COGNITIVE FUNCTIONING AND THEIR IMPLICATIONS FOR THE REACQUISITION OF CONDITIONED TASTE AVOIDANCES by Alexandra E. Ycaza A Thesis Presented to the FACULTY OF THE GRADUATE SCHOOL UNIVERSITY OF SOUTHERN CALIFORNIA In Partial Fulfillment of the Requirements for the Degree MASTER OF ARTS (PSYCHOLOGY) December 2009 Copyright 2009 Alexandra E. Ycaza |
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