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Titolo:
POSTSACCADIC PROCESSING OF THE RETINAL IMAGE DURING PICTURE SCANNING
Autore:
SHIOIRI S;
Indirizzi:
CHIBA UNIV,DEPT IMAGE SCI,1-33 YAYSI CHO CHIBA 260 JAPAN
Titolo Testata:
Perception & psychophysics
fascicolo: 3, volume: 53, anno: 1993,
pagine: 305 - 314
SICI:
0031-5117(1993)53:3<305:PPOTRI>2.0.ZU;2-#
Fonte:
ISI
Lingua:
ENG
Soggetto:
SACCADIC EYE-MOVEMENTS; STIMULUS ONSET; FIXATION DURATION; VISUAL-ATTENTION; WARNING SIGNALS; SUPPRESSION; LATENCY; DETERMINANTS; PRECEDENCE; PERCEPTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social Sciences Citation Index
Science Citation Index Expanded
Citazioni:
62
Recensione:
Indirizzi per estratti:
Citazione:
S. Shioiri, "POSTSACCADIC PROCESSING OF THE RETINAL IMAGE DURING PICTURE SCANNING", Perception & psychophysics, 53(3), 1993, pp. 305-314

Abstract

Eye movements were monitored while observers inspected photographs ofnatural scenes. At the end of each saccade (i.e., at the beginning ofeach period of steady fixation), the stimulus was replaced for a certain period of time by a uniform field (Experiment 1) or a blurred version of the stimulus scene (Experiment 2). Total fixation duration was measured as a function of the duration of the initial uniform field orthe blurred image that followed the saccade. It was found that fixation duration increased proportionally with the duration of the initial replacement field, even for durations as short as 25 msec. These results suggest that the visual system uses information on the retina rightafter each saccade is completed and that the blurred, low-resolution information used in Experiment 2 (cutoff frequency of 0.8 cpd) is not sufficient for the requirements of picture processing in this task.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 07/07/20 alle ore 22:29:50