Age

12–60

Sex

ALL

Healthy volunteers

Accepted

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)

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.

An Eye Tracking Study of Affective Disorder Patients With Suicide Risk