An Eye Tracking Study of Affective Disorder Patients With Suicide Risk
Overview
- Phase
- Not Applicable
- Intervention
- Not specified
- Conditions
- Major Depressive Disorder
- Sponsor
- Central South University
- Enrollment
- 200
- Locations
- 1
- Primary Endpoint
- eye movement performance during free-view task
- Last Updated
- 7 years ago
Overview
Brief Summary
This research tries to investigate the validity and reliability of eye-tracking technologies by using different paradigms (eg. free-view, pro-saccade and anti-saccade) which served as a novel way of evaluating suicide risk among affective disorder patients including bipolar and unipolar depression. All the participants including health control will be assessed by clinical interviewing, self-report assessment, cognitive evaluation and eye-tracking task.
Investigators
Lingjiang Li
President of Chinese Psychiatry Society of Chinese Medical Association
Central South University
Eligibility Criteria
Inclusion Criteria
- •Diagnostic and Statistical Manual,DSM-IV diagnosis of depression or Bipolar disorder
- •BDI-II\>20(Suicide and disorder control group); BDI-II\<13,no history of depression(Health control)
- •Informed consent
- •suicide attempt in the past 6 months(suicide risk group)
Exclusion Criteria
- •Current or past substance abuse, psychotic disorder,obsessive compulsive disorder , Post-Traumatic Stress Disorder, in the past 6 months
- •History of epilepsy or head trauma
- •Eye disorders
- •History of electroconvulsive therapy in the past 4 weeks.
Outcomes
Primary Outcomes
eye movement performance during free-view task
Time Frame: 1 hour
The first fixated location and latency(msec)of eah trial, the total dwell time(msec) in each interest areas(IAs) during the whole trial to assess the attentional bias in the experiment.
Secondary Outcomes
- Scores in self-report assessment:Beck Anxiety Inventory(5 minutes)
- Scores in self-report assessment:Beck Depression Inventory(5 minutes)
- Scores in self-report assessment:Barratt Impulsiveness Scale(5 minutes)
- Scores in self-report assessment:Ruminative Response Scale(5 minutes)