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NATURE NEUROSCIENCE VOLUME 10 | NUMBER 11 | NOVEMBER 2007 1345 N E W S AN D V I E W S
 

Summary: NATURE NEUROSCIENCE VOLUME 10 | NUMBER 11 | NOVEMBER 2007 1345
N E W S AN D V I E W S
model assumes that attention enhances neural
responsesthatareevokedbystimuliinarestricted
regionof visualspace.Thus,thespotlightmodel
predicts that the responses evoked by the edge
configuration in the receptive field of Figure1c
should be equally enhanced when attention is
directed to the white or to the dark square, as
the receptive field is equally close to the focus
of attention in both instances. However, in the
new study1, attentional modulation did not
depend on spatial relationships, but instead
depended on the neurons' border-ownership
preference relative to the attended object. This
agrees with human neuroimaging studies that
show that attention can select not only regions
of space, but also entire objects6. Therefore,
border ownership is a likely neural substrate
of object-based attention.

  

Source: Addis, Donna Rose - Department of Psychology, University of Auckland
Schacter, Daniel - Department of Psychology, Harvard University
Sharot, Tali - Wellcome Trust Centre for Neuroimaging, University College London

 

Collections: Biology and Medicine