Mapping the microcircuitry of attention

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A study uses electrophysiological recordings from primary visual cortex of the monkey to demonstrate that the effects of attention are modulated by task difficulty and that two different neuronal populations mediate this effect.

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Figure 1: Attention enhanced responses at the attended location and suppressed responses to nearby distracters (red arrows indicate focus of attention).

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Reynolds, J. Mapping the microcircuitry of attention. Nat Neurosci 11, 861–862 (2008) doi:10.1038/nn0808-861

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