External noise distinguishes attention mechanisms

We developed and tested a powerful method for identifying and characterizing the effect of attention on performance in visual tasks as due to signal enhancement, distractor exclusion, or internal noise suppression. Based on a noisy Perceptual Template Model (PTM) of a human observer, the method adds...

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Veröffentlicht in:	Vision research (Oxford) 1998-05, Vol.38 (9), p.1183-1198
Hauptverfasser:	Lu, Zhong-Lin, Dosher, Barbara Anne
Format:	Artikel
Sprache:	eng
Schlagworte:	Additive internal noise Attention Biological and medical sciences Concurrent paradigm Cues Distractor exclusion Equivalent internal noise Fixation, Ocular Fundamental and applied biological sciences. Psychology Humans Internal noise suppression Mathematics Models, Neurological Multiplicative internal noise Perception Perceptual template model Psychology. Psychoanalysis. Psychiatry Psychology. Psychophysiology Psychophysics Rotation Sensory Thresholds - physiology Signal enhancement Space life sciences Vision Visual attention Visual Perception - physiology
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