• Publications
  • Influence
Selective visuo‐haptic processing of shape and texture
TLDR
A human functional magnetic resonance imaging study in which shape and texture perception were contrasted using haptic stimuli presented to the right hand, and visual stimuli presented centrally corroborates and elaborates previous suggestions of specialized visuo‐haptic processing of texture and shape.
Neural Evidence Linking Visual Object Enumeration and Attention
TLDR
This work evaluated the first direct neural support for mapping the subitizing-counting dichotomy onto separable processes mediating preattentive vision and shifts of visual attention at a neural level.
Multisensory cortical processing of object shape and its relation to mental imagery
TLDR
Ratings of the vividness of visual imagery strongly predicted the amount of haptic shape-selective activity in the right, but not in the left, lateral occipital complex, and visual imagery appears to contribute to activation of some,but not all, visual cortical areas during haptic perception.
Involvement of visual cortex in tactile discrimination of orientation
TLDR
This is the first demonstration that visual cortical processing is necessary for normal tactile perception, and indicates that visual cortex is closely involved in tactile discrimination of orientation.
Visual cortical activity during tactile perception in the sighted and the visually deprived.
  • K. Sathian
  • Psychology, Biology
    Developmental psychobiology
  • 1 April 2005
TLDR
Overall, it appears that the nature of visual cortical activity during nonvisual tasks in the sighted can be influenced by late-onset blindness and even by brief interruptions of visual input; however, the relevant neural plasticity seems to considerably more exuberant if vision is lost very early in life or was never present, which suggests that there is a critical period for the maximal expression of such plasticity.
Temporal Cues Contribute to Tactile Perception of Roughness
TLDR
Psychophysically, the contribution of temporal cues to human tactile perception of roughness, using gratings varying in either R or G, is investigated, finding that roughness magnitude estimates depended on both G and Ft.
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