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Nonassociative and associative learn...

Miller, Stacie S.

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Nonassociative and associative learning in the neonatal rat and parallel changes in neurohormone and brain monoamine levels.

紀錄類型:	書目-語言資料,印刷品 : Monograph/item
正題名/作者:	Nonassociative and associative learning in the neonatal rat and parallel changes in neurohormone and brain monoamine levels./
作者:	Miller, Stacie S.
面頁冊數:	106 p.
附註:	Adviser: Norman E. Spear.
Contained By:	Masters Abstracts International44-05.
標題:	Psychology, Developmental. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=1433628
ISBN:	9780542602061

Nonassociative and associative learning in the neonatal rat and parallel changes in neurohormone and brain monoamine levels.
Miller, Stacie S.

Nonassociative and associative learning in the neonatal rat and parallel changes in neurohormone and brain monoamine levels. - 106 p.

Adviser: Norman E. Spear.

Thesis (M.A.)--State University of New York at Binghamton, 2006.

This research project studied basic learning and memory processes and characterized some of the neurochemical surges in the perinatal rat pup in order to generate testable hypotheses capable of explicitly exploring the neurobiology of neonatal learning and memory. Recognition of an odor experienced immediately after birth for an hour was revealed after a three-hour but not 15-minute retention interval by a behavioral activation test (Experiment 1). Experiment 2 entailed exposing pups to an odor immediately after birth, two hours postpartum, both or neither and found that odor experience in the first hour of life was especially influential in guiding later behavioral activation to that odor. Sex differences suggested that when only one odor was experienced females responded more than males when this odor was experienced during the third hour of life. These neonates were susceptible to primacy since responding to the target odor was greater when it was the first rather than the second of two odors experienced. In contrast, there were no effects of age (in hours) or sex on appetitive associative conditioning (Experiment 3) using an odor conditioned stimulus and a gustatory unconditioned stimulus implying associative conditioning both immediately after birth and two hours later. In neurobiological assays (Experiment 4) testosterone and corticosterone rose above baseline levels at sixty minutes after cesarean delivery and returned to baseline levels at four or five hours postnatally respectively. Norepinephrine but not serotonin or dopamine levels also changed as a function of time postpartum. This change appeared as a rise of levels immediately after birth, which declined one hour later only to rise and fall again between one and four hours after parturition. Possible correlates between behavioral and neurobiological findings were discussed.

ISBN: 9780542602061Subjects--Topical Terms:

1017557
Psychology, Developmental.

Nonassociative and associative learning in the neonatal rat and parallel changes in neurohormone and brain monoamine levels.
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