This study will try to provide a better understanding of the psychological, cognitive and electrophysiological factors that contribute to suicide in depressed patients.

Objectives:

1. To investigate the ability of qEEG to suspect suicidal potential in patients diagnosed with major depression.
2. To test the ability of some psychological and cognitive elements in determining the likelihood of suicide in such patients.
3. To give an objective and more reliable method than traditional questionnaires to assess the seriousness of suicidal ideations in patients suffering from depression who usually don't reveal their actual intentions.

Inclusion Criteria:

• Age between 16 and 65 years
• Both males and females will be enrolled
• Patients present with the clinical picture of Major depression according to DSM 5 criteria.

Exclusion Criteria:

• Psychotic features associating depressive episode
• Bipolar depression
• The condition is due to another medical condition
• The condition is substance or medication-induced
• Intellectual disability
• Comorbid epilepsy

50 Egyptian patients will be recruited from Mansoura University Hospitals at the outpatient clinics and the inpatient department.

I am planning to include a foreigner supervisor on my thesis.