WE ARE CURRENTLY SEEKING ADULT FEMALE VOLUNTEERS for our research study on the neural biomarkers of PTSD: • We are currently recruiting healthy volunteers for our control group • Age 18 – 57 years old • Female sex • Right-handed • No neurological conditions PARTICIPATION MAY INCLUDE: • psychological surveys • brain imaging with fNIRS (safe, non-invasive) • $25 per hour (approx. 1.5 hours) FOR MORE INFORMATION, OR TO ENROLL: Please email Dr. Stephanie Balters at balters@stanford.edu