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Multidimensional scaling reveals a color dimension unique to 'color-deficient' observers

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posted on 2023-06-08, 19:48 authored by Jenny BostenJenny Bosten, J D Robinson, G Jordan, J D Mollon
Normal color vision depends on the relative rates at which photons are absorbed in three types of retinal cone:short-wave (S), middle-wave (M) and long-wave (L) cones, maximally sensitive near 430, 530 and 560nm, respectively. But 6% of men exhibit an X-linked variant form of color vision called deuteranomaly [1]. Their color vision is thought to depend on S cones and two forms of long-wave cone (L, L') [2,3]. The two types of L cone contain photopigments that are maximally sensitive near 560nm, but their spectral sensitivities are different enough that the ratio of their activations gives a useful chromatic signal.

History

Publication status

  • Published

File Version

  • Accepted version

Journal

Current Biology

ISSN

0960-9822

Publisher

Elsevier

Issue

23

Volume

15

Page range

R950-R952

Department affiliated with

  • Psychology Publications

Full text available

  • Yes

Peer reviewed?

  • Yes

Legacy Posted Date

2015-01-27

First Open Access (FOA) Date

2016-03-22

First Compliant Deposit (FCD) Date

2015-01-27

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