Schizophrenic Disorders Clinical Trial
— GRASPOfficial title:
Study on the Links Between Action and Perception in Schizophrenia, " Have a Good Grasp of the World "
Verified date | September 2019 |
Source | Centre Hospitalier Universitaire de Saint Etienne |
Contact | n/a |
Is FDA regulated | No |
Health authority | |
Study type | Interventional |
Brief Summary: In schizophrenia, dislocation of psychic functions involving a loss of contact with reality is frequently found. A fragmentation of motor and sensory perceptions could be held responsible. However, automatic integration between perception and action is the necessary condition to be in "relationship with the world." Affordance is the experimental link between object perception and potentially associated actions (Gibson, 1977, 1979) explored by Stimulus Response Compatibility (SRC) paradigm. With Tucker & Ellis sensory motor compatibility task (1998), with a modified response device (responses given with grasp), we study the impact of motor activation on these affordance effects. In this study, a group of controls will also be included in order to understand, as precisely as possible, the mechanisms involved (i.e., interference between the perception of the object and the response gesture).
Status | Completed |
Enrollment | 41 |
Est. completion date | April 3, 2019 |
Est. primary completion date | April 3, 2019 |
Accepts healthy volunteers | Accepts Healthy Volunteers |
Gender | All |
Age group | 18 Years to 55 Years |
Eligibility |
Inclusion Criteria: - For patients: - a DSM-IV diagnosis of schizophrenia (men or women), - no change in antipsychotic medication and clinical status within four weeks prior to the study - For patients and control group • Age = 18 years et = 55 years Exclusion Criteria: - History of head trauma, - neurological disease with cerebral repercussion or not stabilized serious physical illness; - psychotropic medication - disorders related to the use of a psychoactive substance (abuse, dependence or withdrawal); Exclusion Criteria: - For patients: • IQ < 70 - For patients and control group - History of head trauma, - neurological disease with cerebral repercussion or not stabilized serious physical illness; - psychotropic medication - disorders related to the use of a psychoactive substance (abuse, dependence or withdrawal); |
Country | Name | City | State |
---|---|---|---|
France | Chu Saint-Etienne | Saint-etienne |
Lead Sponsor | Collaborator |
---|---|
Centre Hospitalier Universitaire de Saint Etienne |
France,
Type | Measure | Description | Time frame | Safety issue |
---|---|---|---|---|
Primary | response time | The gain provided by the compatible vs incompatible conditions (ms response time) | day 1 |
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