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 4 of 4 for “"Shuttlebox"”.
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Shuttlebox Self-Stimulation Behavior Following Intracerebral Microinjections of Morphine Into the Ventral Tegmental-Substantia.
… required for this self-stimulation. In the shuttlebox paradigm, the animal crosses from one side of the case to the other in order to turn the current on and off. Similar doses of morphine will selectively increase average ON times per crossing without affecting OFF times. It has been …
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Self-Stimulation and Morphine Abstinence in the Rat.
To test the effects of morphine abstinence on shuttlebox self-stimulation, rats were implanted with either a morphine or placebo pellet. Naloxone or saline was administered 48 hours later and animals were observed briefly for abstinence behaviors. Immediately following the observation period, …
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Serotonergic involvement in the behavioral depression produced by intermittent swim stress
… as determined by operant tasks such as the shuttlebox test. In Experiment 1, rats were exposed to either ISS or confinement and, 24 hours later, subjected to a swim escape test (SET) designed to analogue the shuttlebox test in a swim context. Prior stress interfered with escape acquisition …
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The generality of learned helplessness theory: effect of electroconvulsive shock
… The following day all rats were tested on a FR-2 shuttlebox escape/avoidance task. After test, half the rats in each group were given a single ECS and then were retested 24 hours later in the shuttlebox. The learned helplessness effect was clearly demonstrated during the test phase. In addition, a …