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In the present study, we demonstrate that parietal patients with visual extinction show enhanced awareness when there is a match between the current contents of their working memory and the stimuli presented in the visual field. This effect cannot be attributed to automatic bottom-up priming from the presentation of a memory cue, because extinction was reduced only when patients committed the cue to memory, and not when primes were viewed passively or merely identified. The results suggest that reentrant processes, from working memory, modulate awareness.

Original publication

DOI

10.1073/pnas.0510718103

Type

Journal article

Journal

Proc Natl Acad Sci U S A

Publication Date

21/03/2006

Volume

103

Pages

4789 - 4792

Keywords

Aged, Awareness, Brain Diseases, Humans, Magnetic Resonance Imaging, Male, Memory, Short-Term, Parietal Lobe, Perceptual Disorders, Photic Stimulation, Visual Perception