Discrimination of oriented visual textures by poultry chicks.

Jones, C D and Osorio, D (2004) Discrimination of oriented visual textures by poultry chicks. Vision Research, 44 (1). pp. 83-89. ISSN 0042-6989

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Abstract

We investigated how poultry chicks discriminate textures of lines sharing a common orientation from textures of variably oriented lines. Stimulus colours along with illumination were adjusted to selectively stimulate different receptor mechanisms. Chicks could discriminate achromatic textures, but not textures isoluminant to the double cones that gave a long vs. medium wavelength chromatic signal, nor an intensity signal for the short and very-short wavelength cones. These results suggest that detection of line orientation and texture discrimination uses an achromatic signal derived either from the double cones, or summed outputs of long and medium wavelength sensitive single cones

Item Type: Article
Schools and Departments: School of Life Sciences > Evolution, Behaviour and Environment
Depositing User: Daniel ColacoOsorio
Date Deposited: 06 Feb 2012 20:49
Last Modified: 22 Mar 2012 12:13
URI: http://sro.sussex.ac.uk/id/eprint/28310
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