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Titolo: DIRECTIONAL MOTION SENSITIVITY UNDER TRANSPARENT MOTION CONDITIONS
Autore: VERSTRATEN FAJ; FREDERICKSEN RE; VANWEZEL RJA; BOULTON JC; VANDEGRIND WA;
- Indirizzi:
- UNIV UTRECHT,DEPT COMPARAT PHYSIOL,PADUALAAN 8 NL-3584 CH UTRECHT NETHERLANDS UNIV UTRECHT,HELMHOLTZ EYE DIS RES INST NL-3584 CH UTRECHT NETHERLANDS MCGILL UNIV,MCGILL VIS RES MONTREAL PQ H3A 1A1 CANADA EINDHOVEN UNIV,INST PERCEPT RES NL-5600 MB EINDHOVEN NETHERLANDS
- Titolo Testata:
- Vision research
fascicolo: 15,
volume: 36,
anno: 1996,
pagine: 2333 - 2336
- SICI:
- 0042-6989(1996)36:15<2333:DMSUTM>2.0.ZU;2-1
- Fonte:
- ISI
- Lingua:
- ENG
- Soggetto:
- MOVEMENT; INTEGRATION; PATTERNS; VELOCITY;
- Keywords:
- SUPPRESSION; MOTION TRANSPARENCY; DIRECTIONAL SENSITIVITY; MOTION;
- Tipo documento:
- Article
- Natura:
- Periodico
- Settore Disciplinare:
- Science Citation Index Expanded
- Science Citation Index Expanded
- Citazioni:
- 13
- Recensione:
- Indirizzi per estratti:
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- Citazione:
- F.A.J. Verstraten et al., "DIRECTIONAL MOTION SENSITIVITY UNDER TRANSPARENT MOTION CONDITIONS", Vision research, 36(15), 1996, pp. 2333-2336
Abstract
We measured directional sensitivity to a foreground pattern while an orthogonally directed background pattern was present under transparentmotion conditions. For both foreground and background pattern, the speed was varied between 0.5 and 28 deg sec(-1). A multi-step paradigm was employed which results in a better estimation of the suppressive orfacilitatory effects than previously applied single-step methods (e,g, measuring D-max or D-min). Moreover, our method gives insight into the interactions for a wide range of speeds and not just the extreme motion thresholds (the D-values). We found that high background speeds have an inhibitory effect on the detection of a range of high foreground speeds and low background speeds have an inhibitory effect on a range of low foreground speeds, Intermediate background pattern speeds inhibit the detection of both low and high foreground pattern speeds and do so in a systematic manner. Copyright (C) 1996 Elsevier Science Ltd.
ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/12/20 alle ore 05:49:13