Optical illusions in clinical dermatology: The mach band phenomenon and afterimages

Richard F. Wagne; D. L. Shriner; K. D. Wagner; D. Bloomquist

doi:10.1159/000247560

Optical illusions in clinical dermatology: The mach band phenomenon and afterimages

Richard F. Wagne, D. L. Shriner, K. D. Wagner, D. Bloomquist

Psychiatry and Behavioral Sciences

Research output: Contribution to journal › Article › peer-review

3 Scopus citations

Abstract

A survey of dermatologists was conducted to determine whether the perceptions of afterimages and Mach bands impacted on clinical dermatology practice. 26.5% (13/49) of respondents indicated that they perceived one or both of these optical illusions. No false-positive potassium hydroxide interpretations of skin scrapings for hyphae were reported due to perceived afterimages, and no skin biopsies were reportedly performed as a result of Mach bands.

Original language	English (US)
Pages (from-to)	245-247
Number of pages	3
Journal	Dermatology
Volume	184
Issue number	4
DOIs	https://doi.org/10.1159/000247560
State	Published - 1992

Keywords

Afterimage
False-positive
Mach band
Optical illusion

ASJC Scopus subject areas

Dermatology

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10.1159/000247560

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title = "Optical illusions in clinical dermatology: The mach band phenomenon and afterimages",

abstract = "A survey of dermatologists was conducted to determine whether the perceptions of afterimages and Mach bands impacted on clinical dermatology practice. 26.5% (13/49) of respondents indicated that they perceived one or both of these optical illusions. No false-positive potassium hydroxide interpretations of skin scrapings for hyphae were reported due to perceived afterimages, and no skin biopsies were reportedly performed as a result of Mach bands.",

keywords = "Afterimage, False-positive, Mach band, Optical illusion",

author = "Wagne, {Richard F.} and Shriner, {D. L.} and Wagner, {K. D.} and D. Bloomquist",

year = "1992",

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AU - Wagne, Richard F.

AU - Shriner, D. L.

AU - Wagner, K. D.

AU - Bloomquist, D.

PY - 1992

Y1 - 1992

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AB - A survey of dermatologists was conducted to determine whether the perceptions of afterimages and Mach bands impacted on clinical dermatology practice. 26.5% (13/49) of respondents indicated that they perceived one or both of these optical illusions. No false-positive potassium hydroxide interpretations of skin scrapings for hyphae were reported due to perceived afterimages, and no skin biopsies were reportedly performed as a result of Mach bands.

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KW - False-positive

KW - Mach band

KW - Optical illusion

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ER -

Optical illusions in clinical dermatology: The mach band phenomenon and afterimages

Abstract

Keywords

ASJC Scopus subject areas

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