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Treating mental illness by changing memories of things past

Author Marcel Proust makes a compelling case that our identities and decisions are shaped in profound and ongoing ways by our memories. This truth is powerfully reflected in mental illnesses, like posttraumatic stress disorder (PTSD) and addictions. In PTSD, memories of traumas intrude vividly upon consciousness, causing distress, driving people to avoid reminders of their traumas, and increasing risk for addiction and suicide. In addiction, memories of drug use influence reactions to drug-related cues and motivate compulsive drug use.
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