The relationship between task performance and functional magnetic resonance imaging response.

@article{Buracas2005TheRB,
  title={The relationship between task performance and functional magnetic resonance imaging response.},
  author={Giedrius T. Buracas and Ione Fine and Geoffrey M. Boynton},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  year={2005},
  volume={25 12},
  pages={3023-31}
}
We compared psychophysical and functional magnetic resonance imaging (fMRI) responses within areas V1-V3 and MT+ during both a speed and a contrast discrimination task. We found that fMRI responses did not depend significantly on task in any of these areas. Moreover, responses in V1-V3 were larger than those in MT+ for both the speed and the contrast discrimination tasks across a wide range of contrasts. This pattern of results demonstrates that localizing function based on finding those… CONTINUE READING

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