Structure and properties of a single channel in the human visual system

Previous experiments have indicated that the visual system can be represented as a collection of parallel channels with detection occurring whenever activity in any one of these channels reaches a certain level. In this paper we examine the structure of such a channel and show that it must be repres...

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Veröffentlicht in:	Vision research (Oxford) 1976, Vol.16 (9), p.957,IN4-968,IN4
Hauptverfasser:	Mostafavi, H., Sakrison, D.J.
Format:	Artikel
Sprache:	eng
Schlagworte:	Adaptation, Ocular Form Perception - physiology Humans Models, Neurological Pattern Recognition, Visual - physiology Probability Retina - physiology Visual Acuity Visual Pathways - physiology
Online-Zugang:	Volltext
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Beschreibung
Zusammenfassung:	Previous experiments have indicated that the visual system can be represented as a collection of parallel channels with detection occurring whenever activity in any one of these channels reaches a certain level. In this paper we examine the structure of such a channel and show that it must be represented by an incoherent, rather than a coherent, type of detection. We then examine the following properties of the detection mechanism of a single channel: the angular bandwidth, the radial bandwidth, and the non-linearity involved in the incoherent detection operation.
ISSN:	0042-6989 1878-5646
DOI:	10.1016/0042-6989(76)90227-3