Attention cannot spare task-irrelevant locations on an attended object | Zendy

Arash Fazl | Zendy; Ennio Mingolla | Zendy; Robert Sekuler | Zendy

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Attention cannot spare task-irrelevant locations on an attended object

Author(s) -

Arash Fazl,

Ennio Mingolla,

Robert Sekuler

Publication year - 2010

Publication title -

journal of vision

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.126

H-Index - 113

ISSN - 1534-7362

DOI - 10.1167/9.8.141

Subject(s) - object (grammar) , task (project management) , psychology , visual search , computer vision , contrast (vision) , oblique case , perception , artificial intelligence , visual attention , sign (mathematics) , communication , computer science , cognitive psychology , neuroscience , mathematics , mathematical analysis , management , economics , linguistics , philosophy

Measures such as reaction time cannot tell us about stimuli that are being ignored. To avoid the transients associated with onset and offset of a stimulus we used long-duration flickering stimuli. Stimuli consisted of solid grey intersecting horizontal and vertical bars. The luminance of five concentric arcs at each end of the horizontal bar flickered above and below a baseline value of 39 cd/m2 at 16.67 Hz. Flicker contrasts (peak to tough) were 10%, 42%, or 85% in different trials.

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