SCHMOLCK et al 2002

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What is the ATL?
Anterolateral temporal cortex
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Main Aim of the study
investigate effects of specific brain damage on semantic memory and compare with a 'control group'
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Another Aim of the study
To see if HM was unique in terms of brain damage and how it affected his memory
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How many ppts?
14
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what were the control group matched on?
age and education
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What did the MTL+ group suffer from?
Amnesia due to encephaitis
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What damage did the HF patients have?
2 ppts had amnesia with damage limited to hippocampus formation
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What damage did HM have, and how?
Surgry for epilepsy causing MTL damage
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What did the MRI scans measure?
Lesions of each patients to make comparisons with results
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How many tests were used?
9 different tests over 5 different sessions
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What did the tests consist of?
48 line drawings (24 animals, 24 objects)
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Describe the HF patients results
100% accurate as were the control group
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How did HM do in general?
Better than MTL+ group but less well than HF and control group
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What is the Quantitative data for shown picture and asked to name?
Control: 100% - HF: 100% - HM: 97% - MTL+:75%
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Quantitative data for given description and asked to name?
Control: 100% - HF: 100% - HM: 66.7% - MTL+: 50%
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What is the conclusion about the hippocampus?
Its not involved in sematic memory
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What is the conclusion abut the ATL?
Damage to ATL causes semantic impairment thus semantic knowledge is associated with the ATL
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How is HM unique?
Scored lower but due to the large number of grammatical errors he made - poor educational upbringing.
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Main Aim of the study

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investigate effects of specific brain damage on semantic memory and compare with a 'control group'

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Another Aim of the study

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Card 4

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How many ppts?

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Card 5

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what were the control group matched on?

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