Department
of Psychology
Indiana
University,
Bloomington
BEHAVIOR SYSTEMS
AND
LEARNING LAB (BSL)
Welcome
RESEARCH PROJECTS
Circadian Regulatory Behavior, and the Effects of Drugs and Food on the Synchronization of Circadian Search Behaviors
Our interests in this area are focused on the mechanisms that relate to circadian bouts of foraging and regulation. It has previously been shown that the periodic delivery of food at rates from once each 15 sec to once each 8 minutes has been shown to produce sequences of search behaviors, revealing entrainment of sequences of post-food, general, and focal search that reveal within meal search and meal termination mechanisms. The periodic delivery of a meal or an addictive drug in the circadian (24 hour range) appears to engage a different mechanism related to the circadian anticipation of an important meal, an anticipation revealed by restless activity or wheel running. We have shown similar anticipatory activity prior to the delivery of several addictive drugs.
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