A new study reports unconscious activation of occipital and frontal cortex by masked visual stimuli, showing that activity in these areas may be insufficient for awareness
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Rees, G. Seeing is not perceiving. Nat Neurosci 4, 678–680 (2001). https://doi.org/10.1038/89446
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DOI: https://doi.org/10.1038/89446
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