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Pavlovian conditioning of discriminatively elicited eyeblink responses with short onset latency attributable to lengthened interstimulus intervals



Pavlovian conditioning of discriminatively elicited eyeblink responses with short onset latency attributable to lengthened interstimulus intervals



Brain Research 400(1): 171-175



Conditioned eyeblink responses were obtained in cats by pairing click (CS) with glabella tap (US) and electrical stimulation of the hypothalamus (HS). Hiss was used as a discriminative stimulus (DS). Onset latencies of conditioned responses (CRs) of 20-56 ms were obtained by using an interstimulus interval (ISI) of 570-10 ms between CS and US-HS. Longer latency (90-320 ms) blink CRs were obtained with ISIs of 340-240 and 340-10 ms. The timing of associatively learned movements has been thought to increase with lengthening of the intervals between CS and US presentation. The production of shorter latency CRs of this type by lengthening the ISI is a novel result and one unexpected from widely held beliefs.

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Accession: 006076134

Download citation: RISBibTeXText

PMID: 3815066

DOI: 10.1016/0006-8993(87)90667-6


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