The Effect of Emotional Context on Changes in Infants' Neural Response to Novel Objects Open Access
Leventon, Jacqueline S. (2011)
Published
Abstract
Abstract
The Effect of Emotional Context on Changes in Infants' Neural
Response to Novel
Objects
By Jacqueline S. Leventon
Around the end of the first year of life, infants develop a social
referencing ability- using
the emotional information from others to guide their own behavior.
Much research on
social referencing has focused on changes in behavior in response
to emotional
information. The present study was an investigation of the changes
in neural responses
that underlie social referencing behavior, reflected in
event-related potential measures
(ERPs). Twenty-six 12-month-olds participated in a single-session
visit where ERPs were
recorded both immediately before and after a behavioral
intervention in which infants'
caregivers provided positive, negative or neutral information about
each of 3 test stimuli.
Results indicated that infants devoted more neural resources to
processing emotional
versus neutral information, as observed in a late positive-going
component. Changes in
neural responses from the pre- to post-intervention recordings
clarify this observation,
indicating that there was an increase in neural response in
processing negative
information, a decrease in processing neutral information, and
relatively no change in
processing positive information. Taken together, these findings
suggest that infants'
neural responses are differentially affected by positive, negative
and neutral information.
Furthermore, the findings highlight the importance of measuring the
change in neural
responses to better interpret post-experience responses.
The Effect of Emotional Context on Changes in Infants' Neural
Response to Novel
Objects
By
Jacqueline S. Leventon
B.S., University of Maryland, 2008
Advisor: Patricia J. Bauer, Ph.D.
A thesis submitted to the Faculty of the
James T. Laney School of Graduate Studies of Emory University
in partial fulfillment of the requirements for the degree of
Master of Arts
in Psychology
2011
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