Running and drinking by rats outside the schedule session.

Area of Science:

• Behavioral science and animal psychology.

Background:

• Understanding how animals integrate behavior over time is crucial for behavior regulation and optimality theories.
• Contingency schedules can influence complex behaviors, but their effects on species-typical responses need further investigation.

Purpose of the Study:

• To examine the impact of a contingency schedule linking running and eating on rat behavior.
• To investigate how this schedule affects drinking, perching, and running behaviors during and around an experimental hour.

Main Methods:

• Two experiments were conducted using rats over a one-hour experimental period with surrounding hours for observation.
• Behaviors including drinking, perching, and wheel running were recorded under different contingency schedule conditions.

Main Results:

• Drinking patterns remained largely unaffected by the experimental hour's conditions, though pre-experimental drinking decreased when wheel running was high.
• Wheel running behavior significantly increased both within and outside the experimental hour under schedule conditions.
• Perching behavior exhibited unreliable patterns across both experiments.

Conclusions:

• The study suggests that behavior regulation theories must account for species-typical foraging and stimulus control mechanisms.
• Contingency schedules can alter behavior patterns, potentially by engaging innate responses or due to imperfect stimulus control.
• Integrating species-specific behaviors is essential for a comprehensive understanding of animal behavior over time.