… In one patient (DF), however, who acquired visual form agnosia in adulthood following brain
damage, visuomotor performance has been extensively studied. Even though DF shows a …

… – although in the sample described, motion perception was never found to be a deficit. …
to perceptual impairments in patients with VFA. We conclude that VFA is a perceptual disorder …

… ventral “what”/“perception” visual stream in the ventral aspects of the visual cortex processing
cues related to form and shape, and the dorsal “where”/“action” visual stream in the dorsal …

… In summary, DF’s pattern of perceptual deficits, as in other typical cases of visual form
agnosia, is largely restricted to deficits in form perception. Her color …

… which mediates action and a ventral occipito-temporal stream which mediates perception.
One of the cornerstones of this model is DF, a patient with visual form agnosia following …

… patient with visual form agnosia is “DF”, and it just so happens that her perceptual deficits …
have already discussed, possesses visual form agnosia. Normally sighted and neurologically …

… described: visual form agnosia; integrative … visual form agnosia are unable to recognize,
match, copy or discriminate simple visual stimuli, such as a square from a circle. They perceive …

… Perception of depth probably contributes to both personal and extrapersonal perception
of space. Disordered depth perception may therefore contribute to visual neglect, particularly …

… concerns perception, not the perceptual representations of shape. These patients also show
… Structural MRI from three patients with visual form agnosia shows that all have damage to …

… Texture agnosia is analogous to visual form agnosia in that texture can be perceived in
the tactile but not the visual modality. Considering the rather modest contribution of texture to …