Cholecystokinin reduces exploratory behavior in mice

Jacqueline Crawley, Sally E. Hays, Steven M. Paul, Frederick K. Goodwin

Research output: Contribution to journalArticle

71 Citations (Scopus)

Abstract

The role of cholecystokinin (CCK) in mediating spontaneous behaviors in mice was analyzed, using a video-tracking, computer-assisted animal behavior monitoring system. Intraperitoneal administration of cholecystokinin octapeptide decreased investigation of environmental objects and interactions with a female mouse, while increasing the amount of time spent in the corners of the test arena and the duration of non-exploratory pauses. Dose-dependent effects were seen in the range of 0.12-50 μg/kg. Other parameters of motor activity were normal, indicating that the reduction in exploratory tendencies is not a function of sedation or loss of motor coordination. Neither gastrin nor unsulfated cholecystokinin8 changed any of the measured parameters, indicating pharmacological specificity for the observed reduction in exploration.

Original languageEnglish (US)
Pages (from-to)407-411
Number of pages5
JournalPhysiology and Behavior
Volume27
Issue number3
DOIs
StatePublished - 1981
Externally publishedYes

Fingerprint

Exploratory Behavior
Cholecystokinin
Sincalide
Animal Behavior
Gastrins
Motor Activity
Pharmacology

Keywords

  • Cholecystokinin
  • Exploratory behavior
  • Mouse behavior
  • Neuropeptides

ASJC Scopus subject areas

  • Physiology (medical)
  • Behavioral Neuroscience

Cite this

Cholecystokinin reduces exploratory behavior in mice. / Crawley, Jacqueline; Hays, Sally E.; Paul, Steven M.; Goodwin, Frederick K.

In: Physiology and Behavior, Vol. 27, No. 3, 1981, p. 407-411.

Research output: Contribution to journalArticle

Crawley, Jacqueline ; Hays, Sally E. ; Paul, Steven M. ; Goodwin, Frederick K. / Cholecystokinin reduces exploratory behavior in mice. In: Physiology and Behavior. 1981 ; Vol. 27, No. 3. pp. 407-411.
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