A stroke subsequently damaging the visual area in a female blind from birth, destroyed her ability to read Braille by touch; clearly her visual cortex had earlier been recruited for tactual processing.
One page will contain Braille text that describes a sheep, for example, while the facing page will contain fluffy cotton glued to the page to simulate a tactual representation of the concept ‘sheep.’
Most recently, advanced imaging techniques have been used to examine which parts of the brain are active during particular tactual tasks in awake humans.
I find it almost impossible to believe that I have never, neither in visual nor in tactual perception, been in direct contact with any of the persons that I like.
In a tactual contact our body is next to the thing we are in contact with, but in a visual contact this is not the case; and I do not think that the concept of visual contact is a metaphor.
As the disk and platen rotate, the embossing heads are quietly pressed into the recording medium so as to leave both a visual and tactual impression.
Visual and tactual sense-data do this directly, the others indirectly, as explained above.
‘Joy's work is very textural, very tactual ,’ he says.
Private space is built out of the various visual, tactual , and other experiences which a perceiver coordinates into a matrix with himself at the centre.
It also involves relish or delight, and Edwards followed Locke and Hutcheson in thinking that, like a feeling of tactual pressure or an impression of redness, being pleased or pained is a kind of sensation or perception.