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Related Experiment Videos

Early-session increases in responding during extinction.

Tonneau1, Ortiz, Cabrera

  • 1Centro de Estudios e Investigaciones en Comportamiento, Universidad de Guadalajara, 12 de Diciembre 204, Col. Chapalita, CP 45030-Guadalajara, Jalisco, Mexico

Behavioural Processes
|August 3, 2000
PubMed
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Response rates in extinction tests varied depending on timing. Early session tests initially increased responding, while late session tests decreased it, suggesting factors beyond reinforcement influence behavior.

Area of Science:

  • Behavioral psychology
  • Animal behavior studies

Background:

  • Organisms trained on variable-interval schedules exhibit specific response patterns.
  • Extinction tests are crucial for understanding learned behaviors after reinforcement withdrawal.

Purpose of the Study:

  • To investigate the effect of extinction test timing on rat response rates.
  • To explore variables influencing early-session responding in extinction.

Main Methods:

  • Four rats were trained under a 60-s variable-interval schedule of reinforcement.
  • Rats underwent 30-min extinction tests within 50-min sessions, either at the start or end.
  • Response rates during extinction were recorded and analyzed based on test timing.

Main Results:

Related Experiment Videos

  • Response rates in extinction decreased when tests occurred at the session's end.
  • Response rates initially increased then decreased when extinction tests were at the session's start.
  • Findings indicate non-reinforcement variables affect early-session responding.

Conclusions:

  • The timing of extinction tests significantly impacts response rates.
  • Early-session increases in responding are influenced by factors beyond reinforcement schedules.
  • Further research is needed to identify these contributing variables.