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Inactivation and adaptation of number neurons

  • J. Patrick Mayo (a1)

Abstract

Single-neuron recordings may help resolve the issue of abstract number representation in the parietal lobes. Two manipulations in particular – reversible inactivation and adaptation of apparent numerosity – could provide important insights into the causal influence of “numeron” activity. Taken together, these tests can significantly advance our understanding of number processing in the brain.

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References

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Burr, D. & Ross, J. (2008) A visual sense of number. Current Biology 18:425–28.
Diester, I. & Nieder, A. (in press) Numerical values leave a semantic imprint on associated signs in monkeys. Journal of Cognitive Neuroscience.
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Nieder, A. & Merten, K. (2007) A labeled-line code for small and large numerosities in the monkey prefrontal cortex. Journal of Neuroscience 27:5986–93.
Wardak, C., Olivier, E. & Duhamel, J.-R. (2002) Saccadic target selection deficits after lateral intraparietal area inactivation in monkeys. Journal of Neuroscience 22:9877–84.

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