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  Early effects of previous experience on conscious perception

Aru, J., Rutiku, R., Wibral, M., Singer, W., & Melloni, L. (2016). Early effects of previous experience on conscious perception. Neuroscience of Consciousness, (1): niw004, pp. 1-10.

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 Creators:
Aru, J.1, Author           
Rutiku, R.1, Author           
Wibral, M.1, Author           
Singer, W.1, Author           
Melloni, L.1, Author           
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1Neurophysiology Department, Max Planck Institute for Brain Research, Max Planck Society, ou_2461705              

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 Abstract: Constructive theories of brain function such as predictive coding posit that prior knowledge affects our experience of the world quickly and directly. However, it is yet unknown how swiftly prior knowledge impacts the neural processes giving rise to conscious experience. Here we used an experimental paradigm where prior knowledge augmented perception and measured the timing of this effect with magnetoencephalography (MEG). By correlating the perceptual benefits of prior knowledge with the MEG activity, we found that prior knowledge took effect in the time-window 80-95ms after stimulus onset, thus reflecting an early influence on conscious perception. The sources of this effect were localized to occipital and posterior parietal regions. These results are in line with the predictive coding framework.

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 Dates: 2016
 Publication Status: Issued
 Pages: -
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 Table of Contents: -
 Rev. Type: Internal
 Identifiers: eDoc: 724389
ISI: 000386132300006
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Title: Neuroscience of Consciousness
Source Genre: Journal
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Pages: - Volume / Issue: (1) Sequence Number: niw004 Start / End Page: 1 - 10 Identifier: ISSN: 2057-2107