Action-effect Anticipation in Patients With Parkinson's Disease : A Study of the Sensory Attenuation Marker.

Study Results

Results pending

The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.

Basic Information

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Recruitment Status

TERMINATED

Total Enrollment

1 participants

Study Classification

OBSERVATIONAL

Study Start Date

2015-12-31

Study Completion Date

2019-09-30

Brief Summary

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The ideomotor theory of action control is considered to be central to the understanding of human voluntary action. According to the ideomotor theory, an action is represented in terms of its desired sensory effects and actions are selected by internally activating these effect representations. Recent imagery and behavioral studies showed that this anticipated representation of action-effects triggered a "sensory attenuation", meaning a decrease of perceptive performances or a decrease of sensory event-related potentials (ERP) for an expected event. Thus, the sensory attenuation constitutes a relevant behavioral tool to investigate sensory anticipation impairment in patients with Parkinson's disease. In a behavioral paradigm, patients and matched control participants have to perform a perceptive task on predicted visual action-effects mixed with mispredicted visual action effects. Performances should be better in mispredicted visual action effects for control participants only.

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Detailed Description

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Conditions

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Parkinson Disease

Study Design

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Observational Model Type

OTHER

Study Time Perspective

CROSS_SECTIONAL

Study Groups

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Patients with Parkinson's disease

behavioral observation

Intervention Type BEHAVIORAL

Interventions

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behavioral observation

Intervention Type BEHAVIORAL

Eligibility Criteria

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Inclusion Criteria

* Parkinson's disease
* Normal or corrected vision

Exclusion Criteria

* Other pathology or neurological or psychiatric history
* Known pregnancy or breastfeeding
* Absence of affiliation to the French Social Security
* Person under legal protection
* Patient's opposition to participate

Minimum Eligible Age

18 Years

Eligible Sex

ALL

Accepts Healthy Volunteers

No