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Response bias induced in rats by response effects.
1NICI/Biological Psychology, Radboud University Nijmegen, The Netherlands. r.maes@nici.ru.nl
Quarterly Journal of Experimental Psychology (2006)
|July 19, 2006
Summary
Rats learned to associate specific sounds with actions. When these sounds were played, rats favored the action previously linked to that sound, demonstrating a weak response bias.
Area of Science:
- Behavioral neuroscience
- Animal cognition
- Learning and memory
Background:
- Response-produced stimuli can influence action selection.
- Understanding stimulus-response associations is key to action control.
Purpose of the Study:
- To investigate how response-produced auditory stimuli affect choice behavior in rats.
- To examine the conditions under which these stimuli bias response selection.
Main Methods:
- Rats were trained on two distinct responses, each linked to a unique auditory stimulus.
- Response-produced stimuli were presented during a choice task where both responses were available.
- The effect of stimulus presentation on response choice was analyzed.
Main Results:
- Presentation of a response-produced stimulus increased the likelihood of choosing the associated response.
- This effect was numerically weak and contingent on stimuli losing general response-activating properties.
- Short stimulus presentations required continued response-effect contingency for the bias to appear.
Conclusions:
- Response-produced stimuli can exert a weak biasing effect on response choice in rats.
- The findings suggest underlying associative mechanisms, with implications for understanding action control.
- Results were compared to human studies on response-produced stimuli and action control.