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Anterior cingulate error-related activity is modulated by predicted reward
Céline Amiez1, Jean-Paul Joseph, Emmanuel Procyk
1Inserm U371, Cerveau et Vision, Department of Cognitive Neurosciences, IFR19, UCB-Lyon1, 18 av. doyen Lépine, 69500 Bron, France.
The European Journal of Neuroscience
|July 20, 2005
Summary
Anterior cingulate cortex neurons signal deviations from predicted goals, not just errors. This activity is modulated by reward, suggesting a role in guiding actions toward desired outcomes.
Area of Science:
- Neuroscience
- Cognitive Neuroscience
- Primate Behavior
Background:
- The anterior cingulate cortex (ACC) in primates is implicated in error detection and learning.
- The precise function of ACC error-related activity remains debated, with uncertainty regarding whether it signifies errors or other computational processes.
Purpose of the Study:
- To investigate whether reward-related parameters influence the error-related activity of ACC neurons.
- To elucidate the role of ACC neural activity in response to errors and goal-directed behavior.
Main Methods:
- Electrophysiological recordings from ACC neurons in monkeys performing stimulus-reward association tasks.
- Analysis of neural activity in response to execution errors, performance errors, and external cues signaling response shifts.
Main Results:
- ACC neuron activity amplitude correlated with the amount of predicted reward and proximity to reward delivery.
- Error-related activity was observed following both execution and performance errors.
- Neural activity increased upon receiving external signals indicating a need to shift response, independent of specific error identification.
Conclusions:
- ACC 'error' activity may represent a negative deviation from a predicted goal, rather than solely error detection.
- This activity signals events that interrupt potentially rewarded actions, highlighting its role in adaptive behavior and goal pursuit.