"perceptual" is a valid word in written English
It is an adjective that means relating to or based on the ability to understand and analyze sensory information. For example, "The perceptual biases of the audience affected the way they understood the speaker's message".
"They do not have the actual perceptual experience of seeing and hearing".
The image is dominated by the perceptual tricks of Op Art – almost a Bridget Riley painting come to life.
Instead of going to art school, he studied perceptual psychology.
Workers in the field refer to the perceptual crevasse which separates acceptable caricature from accurate representation as "the uncanny valley"—and the "The Polar Express" fell right into it.
Pleasure replaces perplexity as the viewer joins Morandi in a game of perceptual hide and seek.
Sexually selected features commonly rely on such pre-existing perceptual biases.
How these widely spaced neuronal responses are "bound" together into the coherent perception of a rolling apple is, as yet, unknown.Some neuroscientists, notably Wolf Singer, at the Max Planck Institute in Frankfurt, think the brain achieves perceptual binding by combining the activities of disparate groups of nerve cells into one synchronised, wavelike processing unit.
He thinks that useful languages should allot words in order to minimise the perceptual difference between colours of the same category, and maximise it between colours in different categories.
There is a sense almost of literary envy in Martin Amis's account of Mary's perceptual innocence in "Other People" or in the way Dennis Potter in "Ticket to Ride" describes his character watching people eating: "Look at the prongs on the fork!
But by demonstrating for the first time that brain waves are important for perception, Dr Stopfer and Dr Laurent have given a boost to the synchronisation theory of perceptual binding.The evidence linking mammalian thought and perception with nerve-cell synchronisation remains controversial.
Rational thinking demands that people accept the available evidence, and not speculate that they may be brains in vats whose perceptual worlds are actually artificial productions of an all-powerful Cartesian evil demon.
