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Assimilation

Encyclopedia of Color Science and Technology

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Synonyms

Bezold–Brücke effect; von Bezold spreading effect

Definition

Color assimilation is by some considered to be the opposite of the color contrast: the color is perceived in the direction of the hue of the surrounding color, whereas in color contrast the perceived color tends to be the complementary color. Assimilation can be experienced also in grayscale stimuli, and it is called lightness assimilation or brightness assimilation. In this case a gray is perceived lighter if it is close to a light object and darker if it is close to a darker object which is, again, the opposite of the simultaneous contrast.

Introduction

According to a naive physicalism, the physical stimulus should present a direct relationship with its mental correlate. Visual illusions (e.g., [1,2,3]) indicate, however, that physical manipulations of a stimulus do not directly determine the perceptual experience [4]. The existence of visual illusions has been already reported by ancient philosophers, and they...

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Author information

Authors and Affiliations

  1. Department of Human and Social Sciences, University of Bergamo, Bergamo, Italy

    Simone Gori

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  1. Simone Gori
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Correspondence to Simone Gori .

Editor information

Editors and Affiliations

  1. Color Science & Imaging Lab, North Carolina State Univ, Raleigh, NC, USA

    Renzo Shamey

Section Editor information

  1. Color Science, NC State University, Raleigh, NC, USA

    Rolf G. Kuehni

  2. Color Research & Application, Pennsville, NJ, USA

    Rolf G. Kuehni

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Gori, S. (2020). Assimilation. In: Shamey, R. (eds) Encyclopedia of Color Science and Technology. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-27851-8_272-2

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  • DOI: https://doi.org/10.1007/978-3-642-27851-8_272-2

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  • Print ISBN: 978-3-642-27851-8

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Chapter history

  1. Latest

    Assimilation
    Published:
    10 May 2020

    DOI: https://doi.org/10.1007/978-3-642-27851-8_272-2

  2. Original

    Assimilation
    Published:
    26 September 2015

    DOI: https://doi.org/10.1007/978-3-642-27851-8_272-1

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