In:
Journal of the Experimental Analysis of Behavior, Wiley, Vol. 25, No. 2 ( 1976-03), p. 227-241
Abstract:
Pigeons were exposed to serial, delay, and trace autoshaping procedures. In Experiment I, all conditioned stimuli (CSs) were changes in illumination of the response key. The number of trials to acquisition of the keypeck increased from serial, to 4‐sec delay, 8‐sec delay, and 8‐sec trace procedures, in that order. In Experiment II, which used a longer intertrial interval, trials to criterion increased from 8‐sec delay, to 28‐sec delay, 8‐sec trace, and 28‐sec trace procedures, in that order. In Experiment III, two groups received serial procedures in which the first CS was either a tone or a houselight, and the second was a keylight. The tone group acquired the key peck more rapidly than the houselight group. Early in conditioning in these experiments, and when the conditioned stimulus was a change in the keylight, there was a short latency to the onset of pecking and pecking was directed at the CS. After extensive conditioning, or when the CS was relatively diffuse, pecking still occurred, but had a longer latency and was not reliably directed toward the conditioned stimulus.
Type of Medium:
Online Resource
ISSN:
0022-5002
,
1938-3711
DOI:
10.1901/jeab.1976.25-227
Language:
English
Publisher:
Wiley
Publication Date:
1976
detail.hit.zdb_id:
2017158-4
SSG:
12
SSG:
5,2
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