Brightness discrimination in budgerigars (Melopsittacus undulatus).

Brightness discrimination in budgerigars (Melopsittacus undulatus).

Birds have excellent spatial acuity and colour vision compared to other vertebrates while spatial contrast sensitivity is relatively poor for unknown reasons. Contrast sensitivity describes the detection of gratings of varying spatial frequency. It is unclear whether bird brightness discrimination b...

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Bibliographic Details
Main Authors: Olle Lind, Sandra Karlsson, Almut Kelber
Format: Article
Language:English
Published: Public Library of Science (PLoS) 2013-01-01
Series:PLoS ONE
Online Access:http://europepmc.org/articles/PMC3548824?pdf=render

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