Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
SPATIOTEMPORAL CHARACTERISTICS OF HUMAN MOTION PERCEPTION
Autore:
FREDERICKSEN RE; VERSTRATEN FAJ; VANDEGRIND WA;
Indirizzi:
UNIV N CAROLINA,DEPT COMP SCI,SITTERSON HALL,CB 3175 CHAPEL HILL NC 27599 UNIV UTRECHT,UTRECHT BIOPHYS RES INST UTRECHT NETHERLANDS
Titolo Testata:
Vision research
fascicolo: 9, volume: 33, anno: 1993,
pagine: 1193 - 1205
SICI:
0042-6989(1993)33:9<1193:SCOHMP>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
RANGE APPARENT MOTION; RANDOM-DOT PATTERNS; VISUAL DETECTABILITY; DISPLACEMENT LIMITS; COHERENT MOTION; WHITE NOISE; FREQUENCY; MOVEMENT; DISCRIMINATION; SENSITIVITY;
Keywords:
MOTION PERCEPTION; BI-LOCAL DETECTOR MODELS; SPATIOTEMPORAL CHARACTERISTICS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
38
Recensione:
Indirizzi per estratti:
Citazione:
R.E. Fredericksen et al., "SPATIOTEMPORAL CHARACTERISTICS OF HUMAN MOTION PERCEPTION", Vision research, 33(9), 1993, pp. 1193-1205

Abstract

A bi-local detector array model was assumed to describe the functional performance of monocular motion perception. Distributions of model parameters were measured in human vision at several positions in the visual field. The stimulus paradigm was designed to measure directional motion perception thresholds for individual combinations of spatial displacement and temporal delay in random dot apparent motion stimuli. The resulting data support previous results on perceivable spatial displacement limits in human vision but also indicate that both minimum and maximum perceivable spatial displacement thresholds in human observers have a similar dependence on temporal delay. This dependence changes with eccentricity in the visual field in a qualitatively similar manner but by quantitatively different factors. A description of possiblebiological properties of the bi-local detector population is presented that may explain how detection of spatio-temporal pattern displacements can be performed by a single system. Such a system also predicts that minimum and maximum perceivable spatial displacement thresholds should scale with visual field eccentricity in a manner consistent with our results.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 26/09/20 alle ore 14:24:30