Interference between two concurrent tasks is associated with activation of overlapping fields in the cortex.

@article{Klingberg1997InterferenceBT,
  title={Interference between two concurrent tasks is associated with activation of overlapping fields in the cortex.},
  author={Torkel Klingberg and Per E. Roland},
  journal={Brain research. Cognitive brain research},
  year={1997},
  volume={6 1},
  pages={1-8}
}
Interference between two concurrent tasks can be measured as an increased reaction time during simultaneous performance compared to when each task is performed alone. We tested the hypothesis that two tasks interfere because they require activation of overlapping areas of the cerebral cortex. With positron emission tomography we measured cortical activation as fields with significant increase in regional cerebral blood flow during single task performance of an auditory and a visual go/no-go… CONTINUE READING

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