An Eye Tracking Study of Affective Disorder Patients With Suicide Risk

An Eye Tracking Study of Affective Disorder Patients With Suicide Risk

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.

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.