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Emotional Scene Content Drives the Saccade Generation System Reflexively

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Bibliographic Details
Title: Emotional Scene Content Drives the Saccade Generation System Reflexively
Language: English
Authors: Nummenmaa, Lauri, Hyona, Jukka, Calvo, Manuel G.
Source: Journal of Experimental Psychology: Human Perception and Performance. Apr 2009 35(2):305-323.
Availability: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
Peer Reviewed: Y
Physical Description: PDF
Page Count: 19
Publication Date: 2009
Document Type: Journal Articles
Reports - Research
Descriptors: Cues, Reaction Time, Eye Movements, Attention, Psychological Patterns, Perception
DOI: 10.1037/a0013626
ISSN: 0096-1523
Abstract: The authors assessed whether parafoveal perception of emotional content influences saccade programming. In Experiment 1, paired emotional and neutral scenes were presented to parafoveal vision. Participants performed voluntary saccades toward either of the scenes according to an imperative signal (color cue). Saccadic reaction times were faster when the cue pointed toward the emotional picture rather than toward the neutral picture. Experiment 2 replicated these findings with a reflexive saccade task, in which abrupt luminosity changes were used as exogenous saccade cues. In Experiment 3, participants performed vertical reflexive saccades that were orthogonal to the emotional-neutral picture locations. Saccade endpoints and trajectories deviated away from the visual field in which the emotional scenes were presented. Experiment 4 showed that computationally modeled visual saliency does not vary as a function of scene content and that inversion abolishes the rapid orienting toward the emotional scenes. Visual confounds cannot thus explain the results. The authors conclude that early saccade target selection and execution processes are automatically influenced by emotional picture content. This reveals processing of meaningful scene content prior to overt attention to the stimulus. (Contains 2 tables and 11 figures.)
Abstractor: As Provided
Number of References: 72
Entry Date: 2009
Accession Number: EJ834113
Database: ERIC
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  Data: American Psychological Association. Journals Department, 750 First Street NE, Washington, DC 20002-4242. Tel: 800-374-2721; Tel: 202-336-5510; Fax: 202-336-5502; e-mail: order@apa.org; Web site: http://www.apa.org/publications
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  Data: 10.1037/a0013626
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  Data: The authors assessed whether parafoveal perception of emotional content influences saccade programming. In Experiment 1, paired emotional and neutral scenes were presented to parafoveal vision. Participants performed voluntary saccades toward either of the scenes according to an imperative signal (color cue). Saccadic reaction times were faster when the cue pointed toward the emotional picture rather than toward the neutral picture. Experiment 2 replicated these findings with a reflexive saccade task, in which abrupt luminosity changes were used as exogenous saccade cues. In Experiment 3, participants performed vertical reflexive saccades that were orthogonal to the emotional-neutral picture locations. Saccade endpoints and trajectories deviated away from the visual field in which the emotional scenes were presented. Experiment 4 showed that computationally modeled visual saliency does not vary as a function of scene content and that inversion abolishes the rapid orienting toward the emotional scenes. Visual confounds cannot thus explain the results. The authors conclude that early saccade target selection and execution processes are automatically influenced by emotional picture content. This reveals processing of meaningful scene content prior to overt attention to the stimulus. (Contains 2 tables and 11 figures.)
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      – SubjectFull: Reaction Time
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      – SubjectFull: Eye Movements
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      – SubjectFull: Perception
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      – TitleFull: Emotional Scene Content Drives the Saccade Generation System Reflexively
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            NameFull: Nummenmaa, Lauri
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            NameFull: Calvo, Manuel G.
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