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Visual search at isoluminance: evidence for enhanced color weighting in standard sub-set and preview-based visual search

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Visual search at isoluminance: evidence for enhanced color weighting in standard sub-set and preview-based visual search. / Braithwaite, Jason J; Watson, Derrick G.; Andrews, Lucy et al.
In: Vision Research, Vol. 50, No. 14, 25.06.2010, p. 1414-1425.

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Braithwaite JJ, Watson DG, Andrews L, Humphreys G. Visual search at isoluminance: evidence for enhanced color weighting in standard sub-set and preview-based visual search. Vision Research. 2010 Jun 25;50(14):1414-1425. Epub 2010 Jan 25. doi: 10.1016/j.visres.2010.01.013

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Braithwaite, Jason J ; Watson, Derrick G. ; Andrews, Lucy et al. / Visual search at isoluminance : evidence for enhanced color weighting in standard sub-set and preview-based visual search. In: Vision Research. 2010 ; Vol. 50, No. 14. pp. 1414-1425.

Bibtex

@article{b9bb7baff24d4c79a3b36cb315aae5ef,
title = "Visual search at isoluminance: evidence for enhanced color weighting in standard sub-set and preview-based visual search",
abstract = "Isoluminant displays depend on responses from the parvocellular visual stream, known to code color information. We examined the influence of isoluminance on attentional guidance by color using two procedures: (i) color sub-set search (Egeth, Virzi, & Garbart, 1984) and (ii) preview search (Watson & Humphreys, 1997). We used displays that do not generate a sub-set search advantage with luminant stimuli. Despite this, a sub-set search advantage was present for small color groups with isoluminant displays. Under preview-search conditions, presenting items at isoluminance amplified the effects of a negative color carry-over from a preview display to a new target, but only when there was an extended preview duration. Both findings demonstrate that presenting items at isoluminance increases the influence of color on visual search. Collectively, the data are consistent with the notion of a flexible inhibitory mechanism that can change the weighting applied to visual features in search.",
keywords = "Visual Search, Inhibitory processes in selection, Color grouping, Attention, Visual selective attention",
author = "Braithwaite, {Jason J} and Watson, {Derrick G.} and Lucy Andrews and Glyn Humphreys",
year = "2010",
month = jun,
day = "25",
doi = "10.1016/j.visres.2010.01.013",
language = "English",
volume = "50",
pages = "1414--1425",
journal = "Vision Research",
issn = "0042-6989",
publisher = "PERGAMON-ELSEVIER SCIENCE LTD",
number = "14",

}

RIS

TY - JOUR

T1 - Visual search at isoluminance

T2 - evidence for enhanced color weighting in standard sub-set and preview-based visual search

AU - Braithwaite, Jason J

AU - Watson, Derrick G.

AU - Andrews, Lucy

AU - Humphreys, Glyn

PY - 2010/6/25

Y1 - 2010/6/25

N2 - Isoluminant displays depend on responses from the parvocellular visual stream, known to code color information. We examined the influence of isoluminance on attentional guidance by color using two procedures: (i) color sub-set search (Egeth, Virzi, & Garbart, 1984) and (ii) preview search (Watson & Humphreys, 1997). We used displays that do not generate a sub-set search advantage with luminant stimuli. Despite this, a sub-set search advantage was present for small color groups with isoluminant displays. Under preview-search conditions, presenting items at isoluminance amplified the effects of a negative color carry-over from a preview display to a new target, but only when there was an extended preview duration. Both findings demonstrate that presenting items at isoluminance increases the influence of color on visual search. Collectively, the data are consistent with the notion of a flexible inhibitory mechanism that can change the weighting applied to visual features in search.

AB - Isoluminant displays depend on responses from the parvocellular visual stream, known to code color information. We examined the influence of isoluminance on attentional guidance by color using two procedures: (i) color sub-set search (Egeth, Virzi, & Garbart, 1984) and (ii) preview search (Watson & Humphreys, 1997). We used displays that do not generate a sub-set search advantage with luminant stimuli. Despite this, a sub-set search advantage was present for small color groups with isoluminant displays. Under preview-search conditions, presenting items at isoluminance amplified the effects of a negative color carry-over from a preview display to a new target, but only when there was an extended preview duration. Both findings demonstrate that presenting items at isoluminance increases the influence of color on visual search. Collectively, the data are consistent with the notion of a flexible inhibitory mechanism that can change the weighting applied to visual features in search.

KW - Visual Search

KW - Inhibitory processes in selection

KW - Color grouping

KW - Attention

KW - Visual selective attention

U2 - 10.1016/j.visres.2010.01.013

DO - 10.1016/j.visres.2010.01.013

M3 - Journal article

VL - 50

SP - 1414

EP - 1425

JO - Vision Research

JF - Vision Research

SN - 0042-6989

IS - 14

ER -