Letters lost: capturing appearance in crowded peripheral vision reveals a new kind of masking

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Letters lost : capturing appearance in crowded peripheral vision reveals a new kind of masking. / Sayim, Bilge; Taylor, John.

In: Psychological Science, Vol. 30, No. 7, 01.07.2019, p. 1082-1086.

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@article{3cd86823a99c40cf819bb1eb7a1169e2,
title = "Letters lost: capturing appearance in crowded peripheral vision reveals a new kind of masking",
abstract = "Peripheral vision is strongly limited by crowding, the deleterious influence of flanking items on target perception. Distinguishing what is seen from what is merely inferred in crowding is difficult because task demands and prior knowledge may influence observers{\textquoteright} reports. Here, we used a standard identification task in which participants were susceptible to these influences, and to minimize them, we used a free-report-and-drawing paradigm. Three letters were presented in the periphery. In Experiment 1, 10 participants were asked to identify the central target letter. In Experiment 2, 25 participants freely named and drew what they saw. When three identical letters were presented, performance was almost perfect in Experiment 1, but it was very poor in Experiment 2, in which most participants reported only two letters. Our study reveals limitations of standard crowding paradigms and uncovers a hitherto unrecognized effect that we call redundancy masking.",
keywords = "visual perception, crowding, appearance",
author = "Bilge Sayim and John Taylor",
year = "2019",
month = jul,
day = "1",
doi = "10.1177/0956797619847166",
language = "English",
volume = "30",
pages = "1082--1086",
journal = "Psychological Science",
issn = "0956-7976",
publisher = "Association for Psychological Science",
number = "7",

}

RIS

TY - JOUR

T1 - Letters lost

T2 - capturing appearance in crowded peripheral vision reveals a new kind of masking

AU - Sayim, Bilge

AU - Taylor, John

PY - 2019/7/1

Y1 - 2019/7/1

N2 - Peripheral vision is strongly limited by crowding, the deleterious influence of flanking items on target perception. Distinguishing what is seen from what is merely inferred in crowding is difficult because task demands and prior knowledge may influence observers’ reports. Here, we used a standard identification task in which participants were susceptible to these influences, and to minimize them, we used a free-report-and-drawing paradigm. Three letters were presented in the periphery. In Experiment 1, 10 participants were asked to identify the central target letter. In Experiment 2, 25 participants freely named and drew what they saw. When three identical letters were presented, performance was almost perfect in Experiment 1, but it was very poor in Experiment 2, in which most participants reported only two letters. Our study reveals limitations of standard crowding paradigms and uncovers a hitherto unrecognized effect that we call redundancy masking.

AB - Peripheral vision is strongly limited by crowding, the deleterious influence of flanking items on target perception. Distinguishing what is seen from what is merely inferred in crowding is difficult because task demands and prior knowledge may influence observers’ reports. Here, we used a standard identification task in which participants were susceptible to these influences, and to minimize them, we used a free-report-and-drawing paradigm. Three letters were presented in the periphery. In Experiment 1, 10 participants were asked to identify the central target letter. In Experiment 2, 25 participants freely named and drew what they saw. When three identical letters were presented, performance was almost perfect in Experiment 1, but it was very poor in Experiment 2, in which most participants reported only two letters. Our study reveals limitations of standard crowding paradigms and uncovers a hitherto unrecognized effect that we call redundancy masking.

KW - visual perception

KW - crowding

KW - appearance

U2 - 10.1177/0956797619847166

DO - 10.1177/0956797619847166

M3 - Article

VL - 30

SP - 1082

EP - 1086

JO - Psychological Science

JF - Psychological Science

SN - 0956-7976

IS - 7

ER -