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PET may image the gates of awareness, not its center
Published online by Cambridge University Press: 04 February 2010
Abstract
PET detects changes in metabolism between task periods and is thus insensitive to areas that are activated during all or most of cognition. Depth-recorded, evokedpotentials indicate that many multimodal and limbic cortical areas may be activated during most cognitive tasks. Thus, PET may be insensitive to some core processes of awareness that are difficult to eliminate from the control periods.
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- Copyright © Cambridge University Press 1995
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