Psy 123_Lec 11 Memory

Retrograde amnesia is extremely rare and generally

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Unformatted text preview: trograde = intact. retrograde amnesia is extremely rare, and generally does not occur by itself, if it does, it generally occurs due to a mental disorder. But do get Anterograde and retrograde together. Anterograde Amnesia! Basketball Player David Generally anterograde amnesia due to lost of medial temporal lobe. The question is medial temporal lobe responsible for? Encoding and retrieval If retrograde would have problems with retrieval. MTL can't be for storage because then all the knowledge of your life would be lost, so it is believe it is involved in encoding, and then stored elsewhere in the brain, and other mechanism are there for retrieving it. Patients that have partial retrograde amnesia (generally right before the traumatic event). That period of time right before that is lost perhaps was not consolidated in the lobe. We know that initial memories are very unstable and disppersed throughout the brain. . Anterograde & Retrograde Amnesia! British Man Working memory and procedural are intact Theory of Multiple Memory Systems! Memory is not a single brain system, but multiple systems with different psychological functions and different underlying brain structures.! Different memory systems with different functions in different underlying brain regions. Need to have dissociations to show this is the case and there are double dissociation is many of these areas. These patients lead to the theory of multiple modal memory systems. Squire & Zola (1996) Proceedings of the National Academy of Sciences The most well known of these theories is this model; the distinction here is it starts off with long term memory and short term memory (working memory). Then in term of long term memory there are 2 different systems Declarative memory: the kind of memory that we tend to think about, personal episodes, semantic memory, things about the worlds, facts about the world. Encoded by medial temporal lobe Non Declarative: Things you don't have to think about; very unconsci...
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This note was uploaded on 01/18/2014 for the course PSY 123 taught by Professor Staff during the Fall '11 term at UCSB.

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