Sentence examples for the colour discrimination from inspiring English sources

Birds in both groups readily acquired the colour discrimination, but differed in how they avoided the unpalatable prey.

The colour discrimination ellipses of the same group of diabetic patients estimated with the Cambridge Colour Test (CCT) showed diffuse losses [ 21- 23].

Although this seal did not learn the colour discrimination, it could be argued that it still perceived the colour, but ignored this information because brightness differences might have been more salient for the seal.

Shrestha M Dyer AG Boyd-Gerny S Wong BB Burd M Shades of red: bird-pollinated flowers target the specific colour discrimination abilities of avian vision New Phytol 2013 198 301 10 No potential conflicts of interest were disclosed.

In bright light, neural noise rather then quantum noise sets the threshold for colour discrimination and, theoretically, the benefit of oil droplets increases as the illumination becomes brighter [ 25].

When fluctuations in the number of quanta (photons) absorbed by the cones determines colour discrimination thresholds, this elementary volume is proportional to the product of the square roots of the number of quanta absorbed by each receptor channel per integration time and per receptive field [ 24].

The overall benefit to colour discrimination of the spectral filters in dim light is a factor of about 1.3 and is similar between juvenile and adults and between different habitat depths.

The reduction of overlap between adjacent spectral channels due to the coloured filters is beneficial for colour discrimination, because it increases the volume of object-colour solid [ 24, 25] (Fig. 3).

These adaptations favour good night vision at the expense of colour discrimination.

Hence, it cannot be excluded that the demonstration of colour discrimination in previous studies was based on brightness discrimination rather than colour vision.

It clarifies the distinction between hue and tone, and accounts for the way in which the subtle colour discriminations we see in works of art can exist alongside the generally quite imprecise categorisations of colour we deploy in everyday life.