Global ETD Search
Search theses and dissertations gathered from participating repositories worldwide. Every result links back to the library that holds it. No account is needed.
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Showing 1 to 20 of 22 for “"Rats -- Behavior"”.
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Affective responses to environmental influences in immature rats
… add to the growing body of knowledge about the behavioral development of rats. It is an enlargement of a study by Roberts (1966) who investigated the effects of quantitative reward shifts on the behavior of immature rats. Roberts' experiment was in turn founded on earlier experiments by Crespi …
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Avoidance learning to stimulus objects presented following shock
… informal experiment by Hudson (1950) in which rats learned to avoid a bundle of pipe cleaners presented only following shock is replica.ted and extended. Five groups of 20 Ss each received a single shock each while taking a sucrose pellet from a novel striped panel, A black-out period ranging …
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The effect of preweaning infantile food deprivation on hoarding in adult rats
<p>Hoarding or hoarding behavior refers to the active storing and accumulation of food or other objects by an animal. Hoarding is often experimentally defined as the act of transporting food or objects, from some area outside the Ss home cage, back to the home cage. A typical hoarding experiment …
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5,7-dihydroxytryptamine lesions of the rat amygdala increase learned fear behavior.
… can result in enhanced fear and anxiety behaviors. Serotonin (5-HT) is also implicated in fear and anxiety disorders, plus, 5-HTergic innervation of the LA is inhibitory. Reduction in 5-HTergic control may induce hyperexcitation, suggesting a 5-HTergic mechanism in fear and anxiety …
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