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Regarding the constitution of the group patient (TSPT-R):

Subjects 65 years of age or older

Clinical diagnosis of delayed-onset PTSD according to DSM-5 criteria after 65 years

The traumatic event must have taken place at the latest before 65 years

Affiliated person or beneficiary of a social security scheme.

Written consent before any examination required by research)

Regarding the constitution of the control group:

Subjects 65 years of age or older

No diagnosis of PTSD (delayed or not) or history of PTSD (delayed or not)

Affiliated person or beneficiary of a social security scheme.

Written consent before any examination required by the research).

Memory Inhibition and Delayed Onset Post-traumatic Stress Disorder in Older Subjects