TB8 B&B Lecture 3; Memory representations in the temporal neocortex

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  • Created by: mint75
  • Created on: 25-04-16 13:21
What disassociation is there in classical amnesia?
Episodic v.s semantic
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Which memory type is self referential?
Episodic
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Which memory type is affected in classical amnesia?
Episodic
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Which memory type is better when YOUNG and which is better when OLD?
Episodic, semantic
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Is time/place coded in semantic memory?
No
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Which was patient KC most impaired in?
Severe episodic deficits (retrograde amnesia), intact semantic memory
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How does SD show a double disassociation with amnesia?
Intact episodic memory and impaired semantic memory
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Who posits the theory of episodic THEN semantic?
Squire
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Who posits the theory of episodic VERSUS semantic?
Tulving
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What is the main concept of Squire's view of consolidation?
Hippocampus has a time sensitive role in consoldation to the neocortex
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In McClellands theory of complementary learning systems, which is faster at learning?
Hippocampus
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In McClellands theory of complementary learning systems, what is a feature of hippocampal learning?
Quickly binding together elements of an episode using few neurons to allow for seperability of memories
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In McClellands theory of complementary learning systems, what is a feature of neocortex learning?
Slowly binding together elements of an episode to prevent interference when new material is learned. Similar features shared by multiple experiences are strongly encoded
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What does the lesion at 28 days with intact memory in Kim & Fanselow (1992) suggest?
Memory no longer 'in' the hippocampus, consoldated
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In Kim & Fanselow (1992), how long was memory disrupted for following hippocampal lesions?
28 days
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What characterises the temporal gradient in retrograde amnesia?
Memories closer to birth are least impaired, more recent memories most impaired
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Is the same temporal gradient as in amnesia present in semantic dementia?
No, more recent memories are better preserved (4 years) and older memories impaired
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Why does the temporal gradient in amnesia occur for older memories?
Because they have been retrieved more, their quality and neural basis changes into more semantic memory
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What area are older memories more reliant upon following consolidation?
The neocortex
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Electrical stimulation during SWS boosted what type of learning?
Verbal learning
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Other cards in this set

Card 2

Front

Which memory type is self referential?

Back

Episodic

Card 3

Front

Which memory type is affected in classical amnesia?

Back

Preview of the front of card 3

Card 4

Front

Which memory type is better when YOUNG and which is better when OLD?

Back

Preview of the front of card 4

Card 5

Front

Is time/place coded in semantic memory?

Back

Preview of the front of card 5
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