Behavioral rating scales for assessing phencyclidine-induced locomotor activity, stereotypes behavior and ataxia in rats

R. David Sturgeon*, Richard G. Fessler, Herbert Y. Meltzer

*Corresponding author for this work

Research output: Contribution to journalArticle

232 Scopus citations

Abstract

Behavioral rating scales were developed for quantification of phenyclidine (PCP)-induced locomotor activity, stereotyped behavior and ataxia in rats. The dose-response relationship for PCP-induced locomotor activity was found to be an inverted U-shaped function over tha first 25 min after injection while over the last 30 min of the experiment the function was highly linear. A linear dose-response relationship was found for ratings of stereotyped behavior and ataxia throughout the 90 min period of observation. The ratings of these two behaviors were found to be closely parallel. The effects of PCP on locomotor activity were found to be greatest during those intervals when stereotyped behavior and ataxia were at moderate levels. Ratings of locomotor activity may be confounded by ataxia when PCP is administered alone or in combination with other drugs.

Original languageEnglish (US)
Pages (from-to)169-179
Number of pages11
JournalEuropean Journal of Pharmacology
Volume59
Issue number3-4
DOIs
StatePublished - Nov 16 1979

Keywords

  • Ataxia
  • Behavior
  • Locomotor activity
  • Phencyclidine
  • Stereotyped behavior

ASJC Scopus subject areas

  • Pharmacology

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