@article{ Sathian_Burton91,
  author = {Sathian, K. and Burton, H.},
  title = {The role of spatially selective attention in the tactile perception
	of texture},
  journal = {Perception and Psychophysics},
  year = {1991},
  volume = {50},
  pages = {237-248},
  abstract = {During manual sensing of object attributes like surface texture, the
	tactile receptor sheet is conjointly activated at numerous loci.
	What is the role of spatially selective attention in perception under
	these conditions? We show that the requirement for spatial focus
	of attention is minimal in the detection of an abrupt change in texture.
	In contrast, spatial attention may help in a variety of other tasks
	of comparable difficulty. These include detecting the absence of
	a texture change at one of many loci, distinguishing its direction,
	and discriminating between different textures. Attentional demand
	appears to vary along a continuum in these tasks, rather than being
	all-or-none.}
}

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