NEUR 1202 Lecture Notes - Lecture 16: Intrusive Thought, Twin, Explicit Memory
Document Summary
Is a personal experience of severely distressing or disturbing events. Following trauma, it is normal to have intrusive thoughts about the incident or difficukty going about doing daily activities. Is a psychiatric disorder where the learned fear to traumatic events becomes generalized to situations that would be considered safe normally. It is the intersection of fear and anxiety. It is highly connected with anxiety disorders, depression, and substance use disorder. Anxiety disorders such as panic disorder can lead to further withdrawal. Depression is associated with increased suicidal ideation. Substance use disorders, use alcohol or drugs to cope with symptoms. There are three main signs of ptsd: recurring and frightened memories, avoidance of potential triggers, a heightened state of arousal. There are also five different criteria that is used to diagnose in the dsm. Ptsd patients show structural and functional changes in the hippocampus, amygdala, and the cortex. The hippocampus and amygdala show increased responsiveness to trauma and emotional stimuli.
