Individuals with Post-Traumatic Stress Disorder (PTSD) often exhibit an "exaggerated startle response." Their nervous system is calibrated to threat level: red. Because they have experienced unexpected violence or danger, their amygdala (the fear center) lowers the threshold for what counts as a threat. A dropped book sounds like a gunshot to their neurochemistry.
When you lean in for a hug and the other person steps back, you feel a pang of rejection. That is a social flinch. When you make eye contact with a stranger and they look away sharply, they are flinching from connection. Flinch
Making a quick movement because of an external stimulus (e.g., "He didn't when the nurse cleaned the wound"). Psychological Avoidance: When you lean in for a hug and
In boxing, MMA, or even fencing, the flinch is a tell. It often manifests as the When a punch comes toward the face, the untrained fighter does three things: Making a quick movement because of an external stimulus (e