A quarter of a century ago, the first systematic behavioral experiments were performed to
clarify the nature of color constancy—the effect whereby the perceived color of a surface …

Visual coding is a highly dynamic process and continuously adapting to the current viewing
context. The perceptual changes that result from adaptation to recently viewed stimuli …

What determines how languages categorize colors? We analyzed results of the World Color
Survey (WCS) of 110 languages to show that despite gross differences across languages …

We all pass out our lives in private perceptual worlds. The differences in our sensory and
perceptual experiences often go unnoticed until there emerges a variation (such as 'The …

In our tendency to discuss the objective properties of the external world, we may fail to notice
that our subjective perceptions of those properties differ between individuals. Variability at …

To English speakers, the distinctions between blue and green, cup and glass, or cut and
break seem self‐evident. The intuition is that these words label categories that have an …

Images with excessive energy at medium spatial frequencies (Fernandez and Wilkins, 2008
Perception 37 1098–1113), or that have high color contrast and little or no luminance …

Exposure to light affects our physiology and behaviour through a pathway connecting the
retina to the circadian pacemaker in the hypothalamus–the suprachiasmatic nucleus (SCN) …

Quite independently of what they represent, some images provoke discomfort, and even
headaches and seizures in susceptible individuals. The visual system has adapted to …

The integration of direct bottom-up inputs with contextual information is a core feature of
neocortical circuits. In area V1, neurons may reduce their firing rates when their receptive …