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J Exp Psychol Anim Behav Process. 1984 Oct;10(4):543-56.

Effects of task-irrelevant cues and reinforcement delay on choice-escape learning following inescapable shock: evidence for a deficit in selective attention.


Prior exposure to inescapable shock has been reported to interfere with choice-escape learning, but several investigators have failed to obtain this effect. A series of five experiments examined the conditions under which choice-escape learning in an automated Y-maze is impaired by pretreatment with inescapable shock. Inescapably shocked rats made more errors and responded more slowly than did controls only when shock termination was delayed and task-irrelevant cues were present during choice-escape training. These findings are discussed in terms of information processing and neurochemical consequences of exposure to inescapable shock.

[Indexed for MEDLINE]

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