11 11 15 PSY 317 Notes Amnesia Amnesia loss of memory usually due to brain damage Two broad types of amnesia o Retrograde memory disruptions before amnesia onset Loss of memories before event occurred o Anterograde memory disruptions after amnesia onset Difficulty forming memories after the event occurred Ex HM Korsakoff s syndrome neurological disorder due to lack of thiamine common in alcoholism While explicit memory is disrupted implicit memory is left intact o Opposite can happen too Clive Wearing o Example of anterograde amnesia o Accomplished musician and musical scholar who has amnesia Still able to play and conduct music Lives a normal life But he now only has a few second memory o His episodic memory is disrupted but semantic intact Other amnesiacs can have the opposite problem Suggests that episodic and semantic memory are separate double dissociation there will definitely be an exam question on double dissociation
View Full Document
Unlocking...