Yoked comparisons of instrumental- avoidance and classical conditioning of the rabbit nictitating membrane response as a function of interstimulus interval and number of trials per..
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Yoked BLOCKINcomparisons BLOCKINof BLOCKINinstrumental-avoidance BLOCKINand BLOCKINclassical BLOCKINconditioning BLOCKINof BLOCKINthe rabbit BLOCKINnictitating BLOCKINmembrane BLOCKINresponse BLOCKINas BLOCKINa function BLOCKINof BLOCKINinterstimulus BLOCKINinterval BLOCKINand number BLOCKINof BLOCKINtrials BLOCKINper...
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The CS-US Interval Function in Rabbit Nictitating Membrane Response Conditioning: Single vs Multiple Trials Per Conditioning Session1
The effect of varying trials per day conditions on the CS-US interval or interstimulus interval (ISI) function in rabbit nictitating membrane response conditioning was studied in two experiments. Experiment 1 showed that a 1250-msec IS1 was more effective than a 250-msec IS1 when there was 1 trial/day. Experiment 2 showed that as the number of trials per day decreased from 20 to 1, the superior...
متن کاملClassical conditioning of the rabbit nictitating membrane response can be fast or slow : Implications for Lennartz and Weinberger ' s ( 1992 ) two - factor theory
Classical conditioning of the rabbit's nictitating membrane (NM) response usually requires several dozen trials for the first conditioned response (CR) to appear. However, as the number of trials is reduced to one per session, the rate of acquisition increases progressively, and the first CR appears in less than a dozen trials. This large and systematic variation in the rate of conditioning cha...
متن کاملScalar timing varies with response magnitude in classical conditioning of the nictitating membrane response of the rabbit (Oryctolagus cuniculus).
The present experiment was aimed at characterizing the timing of conditioned nictitating membrane (NM) movements as function of the interstimulus interval (ISI) in delay conditioning for rabbits (Oryctolagus cuniculus). Onset latency and peak latency were approximately, but not strictly, scalar for all but the smallest movements (<.10 mm). That is, both the mean and standard deviation of the ti...
متن کاملRelationship between heterosynaptic reflex facilitation and acquisition of the nictitating membrane response in control and scopolamine-injected rabbits.
Classical conditioning of the rabbit nictitating membrane response was accomplished by presenting a 100-msec tone conditioned stimulus at intervals of 0, 100, 200, 400, and 800 msec before the presentation of a 100-msec shock unconditioned stimulus. In addition, tone-alone and shock-alone trials were interspersed during conditioning. On the first day of conditioning, during which there was no e...
متن کاملTiming in trace conditioning of the nictitating membrane response of the rabbit (Oryctolagus cuniculus): scalar, nonscalar, and adaptive features.
Using interstimulus intervals (ISIs) of 125, 250, and 500 msec in trace conditioning of the rabbit nictitating membrane response, the offset times and durations of conditioned responses (CRs) were collected along with onset and peak latencies. All measures were proportional to the ISI, but only onset and peak latencies conformed to the criterion for scalar timing. Regarding the CR's possible pr...
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