Combined spatial and temporal imaging of brain activity during visual selective attention in humans. Heinze, H. J., Mangun, G. R., Burchert, W., Hinrichs, H., Scholz, M., & et al. Munte, T.<nbsp>F. Nature, 372:543-546, December, 1994. abstract bibtex VISUAL-SPATIAL attention is an essential brain function that enables us to select and preferentially process high priority information in the visual fields. Several brain areas have been shown to participate in the control of spatial attention in humans(3-5), but little is known about the underlying selection mechanisms. Non-invasive scalp recordings of event-related potentials (e.r.ps) in humans have shown that attended visual stimuli are preferentially selected as early as 80-90 ms after stimulus onset(6,7), but current e.r.p. methods do not permit a- precise localization of the participating cortical areas. In this study we combined neuroimaging (positron emission tomography) with e.r.p. recording in order to describe both the cortical anatomy and time course of attentional selection processes. Together these methods showed that visual inputs from attended locations receive enhanced processing in the extrastriate cortex (fusiform gyrus) at 80-130 ms after stimulus onset. These findings reinforce early selection models of attention(8-10).
@article{ Heinze_etal94,
author = {Heinze, H. J. and Mangun, G. R. and Burchert, W. and Hinrichs, H.
and Scholz, M. and Munte, T. F. et al.},
title = {Combined spatial and temporal imaging of brain activity during visual
selective attention in humans},
journal = {Nature},
year = {1994},
volume = {372},
pages = {543-546},
month = {December},
abstract = {VISUAL-SPATIAL attention is an essential brain function that enables
us to select and preferentially process high priority information
in the visual fields. Several brain areas have been shown to participate
in the control of spatial attention in humans(3-5), but little is
known about the underlying selection mechanisms. Non-invasive scalp
recordings of event-related potentials (e.r.ps) in humans have shown
that attended visual stimuli are preferentially selected as early
as 80-90 ms after stimulus onset(6,7), but current e.r.p. methods
do not permit a- precise localization of the participating cortical
areas. In this study we combined neuroimaging (positron emission
tomography) with e.r.p. recording in order to describe both the cortical
anatomy and time course of attentional selection processes. Together
these methods showed that visual inputs from attended locations receive
enhanced processing in the extrastriate cortex (fusiform gyrus) at
80-130 ms after stimulus onset. These findings reinforce early selection
models of attention(8-10).},
en_number = { }
}
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