The effect of task relevance on the cortical response to changes in visual and auditory stimuli: an event-related fMRI study.

@article{Downar2001TheEO,
  title={The effect of task relevance on the cortical response to changes in visual and auditory stimuli: an event-related fMRI study.},
  author={Jonathan Downar and Adrian P. Crawley and David J. Mikulis and Karen D. Davis},
  journal={NeuroImage},
  year={2001},
  volume={14 6},
  pages={1256-67}
}
Attention is, in part, a mechanism for identifying features of the sensory environment of potential relevance to behavior. The network of brain areas sensitive to the behavioral relevance of multimodal sensory events has not been fully characterized. We used event-related fMRI to identify brain regions responsive to changes in both visual and auditory stimuli when those changes were either behaviorally relevant or behaviorally irrelevant. A widespread network of "context-dependent" activations… CONTINUE READING
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