Functional roles of arg-vasopressin and oxytocin on cellular excitability in neurons of the rat lateral amygdala.

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dc.contributor.advisorKeele, N. Bradley.
dc.contributor.authorBlakeley, Hillary Joy.
dc.contributor.departmentPsychology and Neuroscience.en
dc.contributor.otherBaylor University. Dept. of Psychology and Neuroscience.en
dc.date.accessioned2008-04-15T17:44:02Z
dc.date.available2008-04-15T17:44:02Z
dc.date.copyright2007
dc.date.issued2008-04-15T17:44:02Z
dc.descriptionIncludes bibliographical references (p. 34-38).en
dc.description.abstractThe amygdala is a critical part of the limbic system with important roles in social behavior. Abnormal activity in the lateral amygdala nucleus (LA) has been implicated in several disorders, including autism spectrum disorder (ASD) in which abnormal social functioning is a primary symptom. The peptide hormones arginine-vasopressin (AVP) and oxytocin (OT) are strongly implicated in social behavior, and may also be involved in the pathophysiology of ASD. AVP and OT increase excitatory responses in the brain, however their role in the LA is unknown. Here, the effects of AVP and OT on membrane properties of LA neurons were investigated using whole-cell recording of LA neurons in vitro. AVP decreased accommodation and hyperpolarization-activated current (Ih) in LA pyramidal cells, resulting in increased excitability. OT increased action potential accommodation and Ih resulting in decreased excitability. These results suggest AVP and OT may modulate social behavior by controlling excitability in the amygdala.en
dc.description.degreeM.A.en
dc.description.statementofresponsibilityby Hillary Joy Blakeley.en
dc.format.extentviii, 38 p. : ill.en
dc.format.extent153726 bytes
dc.format.extent2278275 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypeapplication/pdf
dc.identifier.urihttp://hdl.handle.net/2104/5127
dc.language.isoen_USen
dc.rightsBaylor University theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. Contact librarywebmaster@baylor.edu for inquiries about permission.en
dc.rights.accessrightsWorldwide accessen
dc.subjectAmygdaloid body.en
dc.subjectLimbic system.en
dc.subjectPeptide hormones -- Physiological effect.en
dc.subjectAutism -- Pathophysiology.en
dc.titleFunctional roles of arg-vasopressin and oxytocin on cellular excitability in neurons of the rat lateral amygdala.en
dc.typeThesisen

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