Motivated behaviors produced by increased arousal in the presence of goal objects

Barry L. Jacobs, Paul B. Farel

Research output: Contribution to journalArticlepeer-review

32 Scopus citations


Low doses of sodium pentobarbital injected i.p. in satiated rats increased wet mash intake to approximately the level of a 24 hr food deprived animal. Intakes of quinine adulterated mash and a nonnutritive bulk substance were similar for the pentobarbital injected animals and for 24 hr food deprived animals. Further tests demonstrated that the drug potentiates pain-elicited aggression, but has no effect on running in an activity wheel. These data are incorporated in an hypothesis that increased arousal in the presence of a goal object is sufficient to elicit the consummatory response appropriate to that goal object.

Original languageEnglish (US)
Pages (from-to)473-476
Number of pages4
JournalPhysiology and Behavior
Issue number5
StatePublished - May 1971

All Science Journal Classification (ASJC) codes

  • Experimental and Cognitive Psychology
  • Behavioral Neuroscience


  • Arousal
  • Feeding
  • Motivation
  • Pain-elicited aggression
  • Pentobarbital
  • Rats


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