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On the control of visual fixation durations in free viewing of complex imagesстатья
Информация о цитировании статьи получена из
Web of Science,
Scopus
Статья опубликована в журнале из списка Web of Science и/или Scopus
Дата последнего поиска статьи во внешних источниках: 28 апреля 2015 г.
- Авторы: Pannasch S., Schulz J., Velichkovsky B.M.
- Журнал: Attention, perception & psychophysics
- Том: 73
- Номер: 4
- Год издания: 2011
- Издательство: Psychonomic Society Inc.
- Местоположение издательства: United States
- Первая страница: 1120
- Последняя страница: 1132
- DOI: 10.3758/s13414-011-0090-1
- Аннотация: The mechanisms for the substantial variation in the durations of visual fixations in scene perception are not yet well understood. During free viewing of paintings, gaze-contingent irrelevant distractors (Exp. 1) and non-gaze-related time-locked display changes (Exp. 2) were presented. We demonstrated that any visual change-its onset and offset-prolongs the ongoing fixation (i. e., delays the following saccade), strongly suggesting that fixation durations are under the direct control of the stimulus information. The strongest influence of distraction was observed for fixations preceded by saccades within the parafoveal range (<5° of visual angle). We assume that these fixations contribute to the focal in contrast to the ambient mode of attention (Pannasch & Velichkovsky, Visual Cognition, 17, 1109-1131, 2009; Velichkovsky, Memory, 10, 405-419, 2002). Recent findings about two distinct "subpopulations of fixations," one under the direct and another under the indirect control of stimulation (e. g., Henderson & Smith, Visual Cognition, 17, 1055-1082, 2009), are reconsidered in view of these results. © 2011 Psychonomic Society, Inc.
- Добавил в систему: Величковский Борис Митрофанович