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Efference copy and corollary discharge: implications for thinking and its disorders
Schizophrenia Bulletin
|January 1, 1978
Summary
This study proposes that corollary discharges, crucial for distinguishing self-generated movements, may also regulate thought processes. Disruptions in these neural signals could potentially explain schizophrenia symptoms.
Area of Science:
- Neuroscience
- Cognitive Science
- Psychiatry
Background:
- Motor commands in the nervous system involve corollary discharges that modulate sensory and motor excitability.
- These discharges are hypothesized to aid in differentiating self-generated from external movements and enable pre-effector monitoring of motor commands.
Purpose of the Study:
- To hypothesize the presence of corollary discharge mechanisms within the neural processes of thinking.
- To explore the potential link between the derangement of thought-related corollary discharges and the manifestation of schizophrenia symptoms.
Main Methods:
- This study is primarily theoretical, based on existing knowledge of corollary discharges in motor control.
- It extends the concept of corollary discharges to the domain of higher cognitive functions, specifically thinking.
Main Results:
- The hypothesis posits that thinking, as a complex motor activity, utilizes corollary discharges for control and integration.
- It speculates that abnormal functioning of these discharges in thought processes could underlie schizophrenia.
Conclusions:
- Corollary discharges may play a fundamental role in the neural basis of thought.
- Dysfunctional corollary discharges in thinking are proposed as a potential neurobiological mechanism contributing to schizophrenia.
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