PSY 250 Lecture Notes - Lecture 16: Anterograde Amnesia, Retrograde Amnesia, Rhinal Cortex
9 Apr 2016
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Document Summary
Inability to retain info for longer than a few minutes. It is typically considered as a long-term memory impairment. Caused by damage to parts of the brain vital to memory consolidaion, storage, processing, and recall. Anterograde amnesia: inability to form new memory ater brain damage. Retrograde amnesia: inability to recall events prior to brain damage. A case study of amnesia: h. m: surgery (1953) to treat severe epilepsy. Removed hippocampus, amygdala, and adjacent cortex (rhinal cortex) Reduced seizures, normal perceptual and motor abiliies, increase in iq. Devastaing amnesic efects: a closer look at h. m. post-surgery memory ability. Immediate memory for events and simuli was okay. Once he stops rehearsal, the memory is usually gone forever. He could not form memories for new events. Ex. not able to remember his new home. He had mild amnesia for events that occurred 2 years before his surgery, but his memory for remote events seemed ine. He also did ine on some memory tests:
