Influence of surround proximity on induction of brown and darkness
A bright white surround makes a yellow long-wavelength target look both browner and darker. We explored the parallel between these two types of induction by examining their dependence on the proximity of the bright surround to the target at two different time scales with 27 ms and 1 s stimulus durations. We assessed (a) brown induction by adjustment of target luminance to perceptual brown and yellow boundaries and (b) darkness induction by a successive matching procedure. We found that brown induction is a quick process that is robust even for 27 ms stimuli. For darkness induction, there was a strong, spatially localized surround proximity effect for the 27 ms stimuli and much weaker proximity effect for the 1 s stimuli. For brown induction, proximity effects were generally weaker but still showed relatively stronger localized proximity effects for 27 ms stimuli than for 1 s stimuli. For these stimuli, darkness induction predicts the relative pattern but not the magnitudes of brown induction. Both brown and darkness inductions show the operation of quick, spatially localized processes that are apparently superseded by other processes for extended stimulus presentations.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2016 |
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| Erschienen: |
2016 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:33 |
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| Enthalten in: |
Journal of the Optical Society of America. A, Optics, image science, and vision - 33(2016), 3 vom: 18. März, Seite A12-21 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Buck, Steven L [VerfasserIn] |
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| Links: |
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| Themen: |
Journal Article |
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| Anmerkungen: |
Date Completed 13.12.2016 Date Revised 23.10.2018 published: Print Citation Status MEDLINE |
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| doi: |
10.1364/JOSAA.33.000A12 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM258402601 |
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| 100 | 1 | |a Buck, Steven L |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Influence of surround proximity on induction of brown and darkness |
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| 520 | |a A bright white surround makes a yellow long-wavelength target look both browner and darker. We explored the parallel between these two types of induction by examining their dependence on the proximity of the bright surround to the target at two different time scales with 27 ms and 1 s stimulus durations. We assessed (a) brown induction by adjustment of target luminance to perceptual brown and yellow boundaries and (b) darkness induction by a successive matching procedure. We found that brown induction is a quick process that is robust even for 27 ms stimuli. For darkness induction, there was a strong, spatially localized surround proximity effect for the 27 ms stimuli and much weaker proximity effect for the 1 s stimuli. For brown induction, proximity effects were generally weaker but still showed relatively stronger localized proximity effects for 27 ms stimuli than for 1 s stimuli. For these stimuli, darkness induction predicts the relative pattern but not the magnitudes of brown induction. Both brown and darkness inductions show the operation of quick, spatially localized processes that are apparently superseded by other processes for extended stimulus presentations | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Research Support, N.I.H., Extramural | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 700 | 1 | |a Shelton, Andrew |e verfasserin |4 aut | |
| 700 | 1 | |a Stoehr, Brooke |e verfasserin |4 aut | |
| 700 | 1 | |a Hadyanto, Vina |e verfasserin |4 aut | |
| 700 | 1 | |a Tang, Miaolu |e verfasserin |4 aut | |
| 700 | 1 | |a Morimoto, Takuma |e verfasserin |4 aut | |
| 700 | 1 | |a DeLawyer, Tanner |e verfasserin |4 aut | |
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