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Related Experiment Video

Updated: May 23, 2026

Characterization of the Sense of Agency over the Actions of Neural-machine Interface-operated Prostheses
05:21

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Published on: January 7, 2019

Willed action and its impairments.

M Jahanshahi

    Cognitive Neuropsychology
    |March 28, 2012
    PubMed
    Summary

    Intentional self-generated actions, or willed actions, are controlled by a specific network of frontal and subcortical brain areas. Impairments in this willed action system may explain deficits seen in neurological and psychiatric disorders.

    Area of Science:

    • Neuroscience
    • Cognitive Neuroscience
    • Motor Control

    Background:

    • Intentional self-generated actions (willed actions) are distinct from routine, externally triggered behaviors.
    • Understanding the neural basis of willed actions is crucial for explaining various neurological and psychiatric conditions.

    Purpose of the Study:

    • To review evidence on the neural control of willed actions.
    • To explore the role of the frontostriatal circuits in willed actions.
    • To integrate cognitive, motor, and motivational deficits in disorders affecting willed actions.

    Main Methods:

    • Review of studies utilizing positron emission tomography (PET).
    • Analysis of movement-related cortical potentials (MRCPs).
    • Examination of transcranial magnetic stimulation (TMS) findings.

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    Event-related Potentials During Target-response Tasks to Study Cognitive Processes of Upper Limb Use in Children with Unilateral Cerebral Palsy
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    08:26

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    Published on: January 11, 2016

    Main Results:

    • Willed actions are controlled by a network including dorsolateral prefrontal cortex, supplementary motor area, anterior cingulate, thalamus, and basal ganglia.
    • Deficits in patients with frontal lesions, Parkinson's disease, and schizophrenia may reflect impaired willed actions.
    • A willed action system based on frontostriatal circuits offers a framework for understanding these disorders.

    Conclusions:

    • The frontostriatal circuits are central to the control of willed actions.
    • Impairments in the willed action system contribute to diverse clinical presentations.
    • Further research is needed to delineate specific component processes, regional roles, and neurotransmitter involvement, particularly dopamine.