Psy 123_Lec 11 Memory

Many researchers believe that episodic memory is

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Unformatted text preview: esearchers believe that episodic memory is simply a specialized form of semantic memory. Theory of Multiple Memory Systems! Memory is not a single brain system, but multiple systems with different psychological functions and different underlying brain structures.! Episodic Memory and the Medial Temporal Lobe! A form of declarative memory that consists of stored information about events in one’s life, including information about when they happened, where they happened, and what happened.! Episodic memory is “the kind of memory that allows us to ‘mentally travel’ in time, and thus recollect our own past experiences, events we have observed and participated in.” - ! Endel Tulving! Patient HM: removal of the medial temporal lobes results Episodic memory is going back in time the inability and form which is why episodic memories! in to particular time to place, any new we keep momentos and trinkets to remind us of the past. Tulving is probably the biggest proponent that these two systems are distinct. Thought to be uniquely human -- other animals must have use of these systems -- but unclear whether other animals have episodic memory. E.M. has self-awareness component. Damage to MTL selectively impairs the episodic memory system. This is where the controversy begins -- Squire would say MTL not only affects eposodic memory, buty, but also semantic memory as well. And so you need intact MTL to learn anything new about the world. Tulving claims that KC can learn new info about the world, but impaired episodic memory. Theory of Multiple Memory Systems! Memory is not a single brain system, but multiple systems with different psychological functions and different underlying brain structures.! Patient KC! - 39-year-old college graduate; worked as a quality control engineer! - Closed head injury as a result of a motorcycle accident at age 30.! - Total anterograde and retrograde amnesia.! - All other intellectual functioning is intact.! video clip of Patient KC! Tulving, Hayman, &...
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