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awareness deficits after anoxia

JAMESR JAMESR at psycho1.bham.ac.uk
Mon Jun 16 22:53:02 EST 1997

I am working with a patient who has bilateral orbital frontal and 
temporal lesions from carbon monoxide poisoning. He is densely amnesic, 
and has many cognitive deficits but seems unaware of (or unwilling to 
admit) to these deficits. For example, after failing a single digit 
addition task, he will reply "perfect" when asked to grade his 
performance. He does not confabulate, but gives bizarre answers to the 
Shallice Cognitive Estimation task e.g. an estimate of 6 feet for the 
height of a tall building.

Awareness deficits are apparently quite common after brain injury, but 
can anyone recommend, or think of, any tasks that would help to decide 
whether there is a psychological or "organic" basis to this awareness 
deficit? Thanks, Bob James

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