Electrophysiological correlates of visual binding errors after bilateral parietal damage

Highlights • Bilateral parietal damage leads to a severe restriction of spatial attention. • Patients may perceive illusory combinations of visual features. • Illusory feature combinations have a specific electrocortical signature. • This signature can be measured as early as ∼105 ms after stimulus...

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Bibliographic Details
Published in:Neuroscience 2016-11, Vol.337, p.98-106
Main Authors: Pedrazzini, Elena, Fellrath, Julia, Thézé, Raphaël, Ptak, Radek
Format: Article
Language:English
Subjects:
Aged
Attention - physiology
binding
Color Perception - physiology
Electrophysiological Phenomena
features
Female
Humans
illusory conjunction
Neurology
Optical Illusions - physiology
parietal lobe
Parietal Lobe - injuries
Photic Stimulation - methods
Reaction Time - physiology
Vision Disorders - etiology
Vision Disorders - physiopathology
Vision, Ocular - physiology
visual attention
Visual Perception - physiology
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Description
Summary:Highlights • Bilateral parietal damage leads to a severe restriction of spatial attention. • Patients may perceive illusory combinations of visual features. • Illusory feature combinations have a specific electrocortical signature. • This signature can be measured as early as ∼105 ms after stimulus onset. • Binding requires a preselection of features prior to focused attention.
ISSN:0306-4522
1873-7544
DOI:10.1016/j.neuroscience.2016.09.016