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Olfactory stimuli and the "pseudo-extinction" effect
Journal article   Peer reviewed

Olfactory stimuli and the "pseudo-extinction" effect

E A Wasserman and D D Jensen
Science (American Association for the Advancement of Science), Vol.166(3910), pp.1307-1309
12/05/1969
DOI: 10.1126/science.166.3910.1307
PMID: 5350332

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Abstract

Continuously rewarded rats show a decrease in running speed on a runway recently traversed by other rats undergoing experimental extinction. This "pseudo-extinction" effect is caused by discriminable odors emitted by extinction subjects. These odors could be confounding variables in studies using forms of aversive stimulation.
Animals Conditioning (Psychology) Extinction, Psychological Discrimination (Psychology) Rats Motor Activity Odorants Smell

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