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Evaluation of behavioral disinhibition in P/NP and HAD1/LAD1 rats.

Author information

  • 1Department of Psychology, Indiana University, Bloomington 47405-7007, USA. steinmet@indiana.edu

Abstract

1. Two lines of rats specifically bred for alcohol preference were exposed to two different behavioral tasks that required behavioral inhibition to successfully solve. 2. Learning and performance of a step-down passive avoidance task and a differential reinforcement of low-rate responding task were studied in P/NP and HAD1/LAD1 rats. 3. While the P rats had difficulty in learning both tasks, HAD1, LAD1 and NP rats performed at control levels. 4. These data suggest that P rats, but not HAD1 rats, may have problems learning tasks that require inhibition of ongoing or previously learned behaviors.

PMID:
11041542
[PubMed - indexed for MEDLINE]
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