Haptic guidance of overt visual attention
Identifieur interne : 001169 ( Main/Merge ); précédent : 001168; suivant : 001170Haptic guidance of overt visual attention
Auteurs : Alexandra List ; Lucica Iordanescu ; Marcia Grabowecky ; Satoru SuzukiSource :
- Attention, perception & psychophysics [ 1943-3921 ] ; 2014.
English descriptors
- KwdEn :
- MESH :
- physiology : Attention, Psychomotor Performance, Touch Perception, Visual Perception.
- Adult, Female, Humans, Male, Young Adult.
Abstract
Research has shown that information accessed from one sensory modality can influence perceptual and attentional processes in another modality. Here, we demonstrated a novel crossmodal influence of haptic-shape information on visual attention. Participants visually searched for a target object (e.g., an orange) presented among distractor objects, fixating the target as quickly as possible. While searching for the target, participants held (never viewed and out of sight) an item of a specific shape in their hands. In two experiments, we demonstrated that the time for the eyes to reach a target—a measure of overt visual attention—was reduced when the shape of the held item (e.g., a sphere) was consistent with the shape of the visual target (e.g., an orange), relative to when the held shape was unrelated to the target (e.g., a hockey puck) or when no shape was held. This haptic-to-visual facilitation occurred despite the fact that the held shapes were not predictive of the visual targets’ shapes, suggesting that the crossmodal influence occurred automatically, reflecting shape-specific haptic guidance of overt visual attention.
Url:
DOI: 10.3758/s13414-014-0696-1
PubMed: 24935805
PubMed Central: 4231009
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PMC:4231009Le document en format XML
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