Altered visuo-spatial processing in the peri-personal space: a new look at the hand-proximity effects

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dc.contributor.author Thomas, Tony
dc.contributor.author Sunny, Meera Mary
dc.date.accessioned 2017-12-06T05:29:08Z
dc.date.available 2017-12-06T05:29:08Z
dc.date.issued 2017-12
dc.identifier.citation Thomas, Tony and Sunny, Meera Mary, "Altered visuo-spatial processing in the peri-personal space: a new look at the hand-proximity effects", Journal of the Indian Institute of Science, DOI: 10.1007/s41745-017-0057-x, vol.97,No.4.pp443-550. Dec. 2017. en_US
dc.identifier.issn 0970-4140
dc.identifier.issn 0019-4964
dc.identifier.uri https://doi.org/10.1007/s41745-017-0057-x
dc.identifier.uri https://repository.iitgn.ac.in/handle/123456789/3339
dc.description.abstract The previous studies have shown the importance of body in the visuo-spatial representation of space and the objects in it. Perception of objects located near the body trigger activations in brain regions involved in making voluntary movements. Such activations are restricted to the peripersonal space (PPS) particularly within a certain distance of the hand and are considered the visual receptive field of this space. Behavioral findings have shown reduced response time and enhanced accuracy for targets presented in the peri-hand space, referred to as the peri-hand effect. There has been considerable debate about the nature of these effects with some researchers arguing that it is attentional and others arguing that it is perceptual. In the current review, we summarize research about the PPS with a special focus on the peri-hand space and changes to visuo-spatial processing associated with objects places in this space. We suggest that there is enough evidence in the literature pointing at independent and dissociable perceptual and attentional effects in the peri-hand space. We also highlight the differences in the spatial extent of these effects for perception and attention. We propose that future studies looking at the peri-hand effects should dissociate these effects to better understand the nature of visual processing occurring in the peri-hand space.
dc.description.statementofresponsibility by Tony Thomas and Meera Mary Sunny
dc.format.extent vol.97,No.4.pp443-550.
dc.language.iso en en_US
dc.publisher Springer India en_US
dc.subject Peripersonal space en_US
dc.subject Hand-proximity effect en_US
dc.subject Spatial prioritization en_US
dc.subject Attentional disengagement en_US
dc.subject Modulated visual pathway (MVP) hypothesis en_US
dc.title Altered visuo-spatial processing in the peri-personal space: a new look at the hand-proximity effects en_US
dc.type Article en_US
dc.relation.journal Journal of the Indian Institute of Science


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