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Nature Research, Nature Neuroscience, 4(7), p. 339-340, 2004

DOI: 10.1038/nn1213

Springer Verlag, e-Neuroforum, 2(10), p. 206-207, 2004

DOI: 10.1515/nf-2004-0206

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Parietal somatosensory association cortex mediates affective blindsight.

This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Data provided by SHERPA/RoMEO

Abstract

To investigate the neural substrates underlying emotional feelings in the absence of a conscious stimulus percept, we presented a visual stimulus in the blind field of partially cortically blind patients and measured cortical activity (by functional magnetic resonance imaging, fMRI) before and after the stimulus had been paired with an aversive event. After pairing, self-reported negative emotional valence and blood oxygen level-dependent (BOLD) responses in somatosensory association areas were enhanced, whereby somatosensory activity predicted highly corresponding reported feelings and startle reflex amplitudes across subjects. Our data provide direct evidence that cortical activity representing physical emotional states governs emotional feelings.