BIO SCI 38 Lecture Notes - Lecture 21: Electroconvulsive Therapy, Major Depressive Disorder, James Mcgaugh
10 Jan 2020
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Document Summary
Dimensions of short-term and long-term memory traces. Memory traces can differ on at least three dimensions: state, duration, and vulnerability to disruption. Following a head injury, memory for experience 2, which is still in the active state, is disrupted. By contrast, memory for experience 1 has been converted to ltm is in the inactive state and not disrupted by the trauma. The concept of consolidation exist to explain the observation that newly formed memories are more easily disrupted to older ones. Thus memory researchers believe after its initial formation additional post acquisition process stabilize the trace. German psychologists studying memory in humans using the same approach as ebbinghaus. Initial memories are fragile and need to consolidate to become stable. Studies in humans showing that learning of new information could interfere with the memory of information acquired just prior. Two italian psychiatrists, cerletti and bini, applied electrical current across the brain to treat severe psychiatric disorders (cerletti and bini,
