The abstract is read at the publisher; the summary is JClub's.
Contingency degradation in rats produces a persistent reduction in responding to the degraded action that does not recover after a 2-week interval or unexpected outcome delivery.
- Why it matters: Spontaneous recovery and reinstatement can undermine extinction-based treatments, but it was unclear whether contingency degradation alone yields lasting behavioral change.
- What they did: Rats learned two action-outcome contingencies, then one was degraded via unsignaled, non-contingent delivery of its outcome; lateral orbitofrontal cortex was tested using chemogenetic inactivation.
- The result: Degraded responding stayed reduced after the 2-week interval and after unexpected outcome delivery, and lOFC inactivation impaired acquisition but not retrieval, suggesting degradation overwrites initial learning.
The findingWhy it mattersWhat they didThe result
AI summary of the abstract · may contain errors · not medical advice · read the paper.