Attention to within-object and between-object spatial representations: Multiple sites for visual selection. Humphreys, G. & Riddoch, M. Cognitive Neuropsychology, 11(2):207–241, 1994.
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Presents data from the cases of 2 men (aged 56 and 62 yrs) with neuropsychological problems indicating that the allocation of attention in vision is determined by at least 2 forms of spatial representation (within-object and between-object spatial coding). In both cases there was unilateral neglect of one side of visual displays if times in the displays were coded as parts of a single perceptual object, and neglect of the opposite side if items were coded as separate perceptual objects. Attentional cueing effects to either the left or right side were specific to the form of representation involved. These cases demonstrate that there is parallel coding of visual displays into within- and between-object spatial representations. Data support the existence of multiple sides of selection in vision.
@article{humphreys_attention_1994,
	title = {Attention to within-object and between-object spatial representations: {Multiple} sites for visual selection},
	volume = {11},
	doi = {10/b82nw3},
	abstract = {Presents data from the cases of 2 men (aged 56 and 62 yrs) with neuropsychological problems indicating that the allocation of attention in vision is determined by at least 2 forms of spatial representation (within-object and between-object spatial coding). In both cases there was unilateral neglect of one side of visual displays if times in the displays were coded as parts of a single perceptual object, and neglect of the opposite side if items were coded as separate perceptual objects. Attentional cueing effects to either the left or right side were specific to the form of representation involved. These cases demonstrate that there is parallel coding of visual displays into within- and between-object spatial representations. Data support the existence of multiple sides of selection in vision.},
	number = {2},
	journal = {Cognitive Neuropsychology},
	author = {Humphreys, G.W. and Riddoch, M.J.},
	year = {1994},
	keywords = {\#nosource, within object \& between object spatial representations, allocation of attention, male 56 \& 62 yr old stroke patients. Attention Spatial Orientation (Perception) Neurological Disorders \& Brain Damage (3297).},
	pages = {207--241},
}

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