Age

18–65

Sex

ALL

Healthy volunteers

Not accepted

Previous or current treatment history for PTSD
Neurologic disease (eg., epilepsy, infarct, multiple sclerosis, brain tumor)
Any other axis I psychiatric disorder diagnosed by SCID-IV
Borderline personality disorder or antisocial personality disorder
IQ below 80
Any contraindication to MRI scan
Any current psychotropic medication
Unstable medical illness or severe abnormality in laboratory test at screening assessment
Women who are pregnant, breastfeeding, or planning pregnancy
Any contraindications to drug used in the study (e.g., allergy, intolerance, etc.)

Neuroprotective/Neurotrophic Effect of Lexapro® in Patients With Posttraumatic Stress Disorder