Literaturnachweis - Detailanzeige
| Autor/inn/en | Kehoe, E. James; White, Natasha E. |
|---|---|
| Titel | Overexpectation: Response Loss during Sustained Stimulus Compounding in the Rabbit Nictitating Membrane Preparation |
| Quelle | In: Learning & Memory, 11 (2004) 4, S.476-483 (8 Seiten)
PDF als Volltext |
| Sprache | englisch |
| Dokumenttyp | gedruckt; online; Zeitschriftenaufsatz |
| ISSN | 1072-0502 |
| Schlagwörter | Animals; Reinforcement; Training; Brain; Motor Reactions; Stimuli; Auditory Stimuli; Lighting; Patterned Responses; Conditioning; Brain Hemisphere Functions; Inhibition |
| Abstract | Rabbits were given reinforced training of the nictitating membrane (NM) response using separate conditioned stimuli (CSs), which were a tone, light, and/or tactile vibration. Then, two CSs were compounded and given further pairings with the unconditioned stimulus (US). Evidence of both overexpectation and summation effects appeared. That is, responding to the individual CSs declined despite their continued pairing with the US on compound trials (overexpectation), and responding on the compound trials was greater than responding to the individual CSs (summation). The response loss appeared regardless of the testing regime, that is, whether the test presentations of the individual CSs were themselves reinforced (Experiment 2), not reinforced (Experiment 1), or deferred until the end of compound training (Experiment 2). The results are discussed with respect to the roles of excitatory versus inhibitory processes, elemental versus configural processes, and the possible roles of cerebellar and hippocampal pathways. (Contains 3 figures and 1 footnote.) (Author). |
| Anmerkungen | Cold Spring Harbor Laboratory Press. 500 Sunnyside Boulevard, Woodbury, NY 11797-2924. Tel: 800-843-4388; 516-367-8800; Fax: 516-422-4097; e-mail: cshpres@cshl.edu; Web site: http://www.learnmem.org/ |
| Erfasst von | ERIC (Education Resources Information Center), Washington, DC |
| Update | 2017/4/10 |
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