stylized head silhouette. posttraumatic stress disorder

accident and anxiety background balls behavior brain casualty collision concept crash death depression despair disease disorder distress emotion event experience experiences extreme fear flashback head health horror hypervigilance illness impairment injury insomnia medical memory mental metaphor minimalism nightmares numbing obsessive person posttraumatic problem psychiatry psychology psychotherapy ptsd reaction shock silhouette spiny stress stylized survivor symbol symptom trauma traumatic victim violence war