Precuneus-prefrontal activity during awareness of visual verbal stimuli
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Precuneus-prefrontal activity during awareness of visual verbal stimuli. / Kjaer, T W; Nowak, M; Kjær, Klaus Wilbrandt; Lou, A R; Lou, H C.
In: Consciousness and Cognition, Vol. 10, No. 3, 2001, p. 356-65.Research output: Contribution to journal › Journal article › Research › peer-review
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TY - JOUR
T1 - Precuneus-prefrontal activity during awareness of visual verbal stimuli
AU - Kjaer, T W
AU - Nowak, M
AU - Kjær, Klaus Wilbrandt
AU - Lou, A R
AU - Lou, H C
N1 - Copyright 2001 Academic Press.
PY - 2001
Y1 - 2001
N2 - Awareness is a personal experience, which is only accessible to the rest of world through interpretation. We set out to identify a neural correlate of visual awareness, using brief subliminal and supraliminal verbal stimuli while measuring cerebral blood flow distribution with H(2)(15)O PET. Awareness of visual verbal stimuli differentially activated medial parietal association cortex (precuneus), which is a polymodal sensory cortex, and dorsolateral prefrontal cortex, which is thought to be primarily executive. Our results suggest participation of these higher order perceptual and executive cortical structures in visual verbal awareness.
AB - Awareness is a personal experience, which is only accessible to the rest of world through interpretation. We set out to identify a neural correlate of visual awareness, using brief subliminal and supraliminal verbal stimuli while measuring cerebral blood flow distribution with H(2)(15)O PET. Awareness of visual verbal stimuli differentially activated medial parietal association cortex (precuneus), which is a polymodal sensory cortex, and dorsolateral prefrontal cortex, which is thought to be primarily executive. Our results suggest participation of these higher order perceptual and executive cortical structures in visual verbal awareness.
KW - Adult
KW - Awareness
KW - Cerebrovascular Circulation
KW - Female
KW - Humans
KW - Magnetic Resonance Imaging
KW - Male
KW - Prefrontal Cortex
KW - Speech
KW - Tomography, Emission-Computed
KW - Visual Perception
U2 - 10.1006/ccog.2001.0509
DO - 10.1006/ccog.2001.0509
M3 - Journal article
C2 - 11697869
VL - 10
SP - 356
EP - 365
JO - Consciousness and Cognition
JF - Consciousness and Cognition
SN - 1053-8100
IS - 3
ER -
ID: 40340628