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Neuroimage. 2014 May 1;91:336-43. doi: 10.1016/j.neuroimage.2014.01.016. Epub 2014 Jan 17.

Neural basis of non-conscious visual working memory.

Author information

1
Imperial College London, Department of Medicine, Division of Brain Sciences, London, UK.
2
Department of Psychology, Faculty of Science and Technology, University of Westminster, 309 Regent Street, London W1B 2HW, UK.
3
Imperial College London, Department of Medicine, Division of Brain Sciences, London, UK. Electronic address: d.soto@imperial.ac.uk.

Abstract

Recent research indicates that human observers can perform high-level cognitive tasks typically associated with working memory processes (e.g. learning of complex item sequences, reading, arithmetic or delayed visual discrimination) independently of conscious awareness of the relevant information. However, the neural basis of this phenomenon is not known. Here we show neuroimaging and neurostimulation evidence that the dorsolateral and anterior prefrontal cortex can operate on non-conscious information in a manner that goes beyond automatic forms of sensorimotor priming and which may support implicit working memory processes and higher-level cognitive function.

KEYWORDS:

Consciousness; Prefrontal; Vision; Working memory

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