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Schizophrenic patients have consistently been reported to show deficits in preattentive information processing as demonstrated by impairments in visual backward masking and texton detection tasks. Texton detection refers to Julesz's texton theory, which defines a certain limited number of texton elements (e.g., one L among many + ) that can be detected readily and simultaneously without attentional...
Preattentive and attentive information processing was investigated in 24 schizophrenic patients and 24 control subjects using a texture discrimination task based on Julesz's texton theory. Texton theory essentially defines a certain limited number of texture elements that can be detected readily and simultaneously without attentional effort irrespective of the size and information content of the...
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