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Updated: Aug 7, 2026
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Combined Shuttle-Box Training with Electrophysiological Cortex Recording and Stimulation as a Tool to Study Perception and Learning
Published on: October 22, 2015
Unsignalled avoidance in a shuttlebox: a rapid acquisition, high-efficiency paradigm
Journal of the Experimental Analysis of Behavior
|July 1, 1972
Summary
Rats quickly learned to avoid shocks in a shuttlebox, achieving high avoidance rates within the first session. Terminal performance showed sustained avoidance with most responses occurring late in the shock-avoidance interval.
Area of Science:
- Behavioral neuroscience
- Animal behavior studies
Background:
- Free-operant avoidance behavior is a key paradigm in behavioral neuroscience.
- Understanding acquisition and terminal performance provides insights into learning and memory processes.
Purpose of the Study:
- To provide detailed descriptive data on rat shuttlebox avoidance behavior.
- To analyze both the acquisition and terminal performance phases of this behavior.
Main Methods:
- Rats underwent multiple acquisition sessions in a shuttlebox with a 20-sec response-shock interval.
- Shock-shock interval was set at 5 seconds in the absence of a response.
- Terminal performance was assessed over an extended period (five months).
Main Results:
- Subjects achieved over 70% shock avoidance in the first session.
- Maximal response rates were observed by the third session, with gradual declines thereafter.
- Terminal response rates were below 5 responses/min, with shock rates at 0.07/min.
- Over 95% of terminal responding occurred in the latter half of the response-shock interval.
Conclusions:
- Rats rapidly acquire shuttlebox avoidance behavior.
- Sustained avoidance is maintained with specific response-shock intervals.
- Response timing patterns provide insights into the temporal dynamics of avoidance learning.
