Tactile search for change has less memory than visual search for change.
Identifieur interne : 000511 ( Main/Merge ); précédent : 000510; suivant : 000512Tactile search for change has less memory than visual search for change.
Auteurs : Takako Yoshida [Japon] ; Ayumi Yamaguchi ; Hideomi Tsutsui ; Tenji WakeSource :
- Attention, perception & psychophysics [ 1943-393X ] ; 2015.
English descriptors
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- MESH :
Abstract
Haptic perception of a 2D image is thought to make heavy demands on working memory. During active exploration, humans need to store the latest local sensory information and integrate it with kinesthetic information from hand and finger locations in order to generate a coherent perception. This tactile integration has not been studied as extensively as visual shape integration. In the current study, we compared working-memory capacity for tactile exploration to that of visual exploration as measured in change-detection tasks. We found smaller memory capacity during tactile exploration (approximately 1 item) compared with visual exploration (2-10 items). These differences generalized to position memory and could not be attributed to insufficient stimulus-exposure durations, acuity differences between modalities, or uncertainty over the position of items. This low capacity for tactile memory suggests that the haptic system is almost amnesic when outside the fingertips and that there is little or no cross-position integration.
DOI: 10.3758/s13414-014-0829-6
PubMed: 25724516
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pubmed:25724516Le document en format XML
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