The Science of Fear: Probing the Brain Circuits That Link ADHD and PTSD

Research increasingly reveals a strong relationship — and reciprocal risk factors — between ADHD and PTSD. What explains this mutual comorbidity? PTSD is associated with dysfunction in areas of the brain implicated in fear extinction learning. New studies reveal that individuals with ADHD have similarly deficient fear circuitry, which could begin to explain the disorders’ link.