PSY290H5 Chapter Notes - Chapter 13: Thalamus, Mammillary Body, Basal Ganglia
Document Summary
Memory: store/retrieve info (specific info stored in brain) Amnesia: impairment of memory: retrograde -> loss of memory before the event, anterograde -> inability to form new memories after the event. Patient h. m (henry molaison: patient who suffered damage to the medial temporal lobe structures, unable to encode new declarative memories, henry"s case proved stm is different than ltm , memory deficit is caused by loss of the hippocampus. Henry"s performance on a mirror-tracing task: was given mirror to test motor skills, although henry never recognized the task, his performance improved with every day, demonstrating long-term memory. Two categories of memory: declarative, can be stated/described, facts/info we get through learning, answers what , non-declarative (procedural), memory shown by performance rather than conscious recollection, motor procedures, answers how . Patient n. a : a patient who is unable to encode new declarative memories, because of damage to the dorsomedial thalamus and the mammillary bodies.
