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Late responses and perceptual awareness

An electrophysiological study in monkey primary visual cortex reveals that a late component of neural activity is correlated with perceptual awareness of an object.

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Figure 1: Context-dependent modulation of late responses in monkey V1 neurons occurs only when the monkey becomes aware of the figure.

Bob Crimi

Figure 2: Three possible mechanisms for the delay of context-dependent modulation.

Bob Crimi

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Tanaka, K. Late responses and perceptual awareness. Nat Neurosci 4, 225–226 (2001). https://doi.org/10.1038/85051

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