Psychology 3316F/G Lecture Notes - Lecture 5: Mnemonic, Betrayal, Homeostasis
26 Feb 2018
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Document Summary
Similarities between memories for nontraumatic vs. traumatic events. Show an age-realted pattern whereby accuracy and amount of detail increases with age. Events that happen in childhood may not be as well remembered or remember every single detail. Are likely to be accurately remembered in gist but not necessarily veridical form. 75-79% of details in human memory for trauma and for other types of life events are accurate. Are susceptible to distortions under relatively similar conditions. Severe trauma can interact with memory at any one or more of the 4 stages of memory. Encoding consolidation storage retrieval. Need the amygdala to learn the assocaition (ex. Needed for the conditioning phase (for fearful association) Need ventromedial pfc and dorsalanterial cingulate cortex for extinction learning. Want to turn on pfc and turn off dacc for learning of extinction. In ptsd you turn on pfc but not dacc (no extinction happens) Avoidance-depersonalization during event leads to poor (less vivid) encoding.
