Journal
TRENDS IN COGNITIVE SCIENCES
Volume 22, Issue 12, Pages 1076-1090Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tics.2018.09.004
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Funding
- Wellcome Trust
- European Research Council
- Paris Institute of Advanced Studies
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Predominant conceptual frameworks often describe peripersonal space (PPS) as a single, distance-based, in-or-out zone within which stimuli elicit enhanced neural and behavioural responses. Here we argue that this intuitive framework is contradicted by neurophysiological and behavioural data. First, PPS-related measures are not binary, but graded with proximity. Second, they are strongly influenced by factors other than proximity, such as walking, tool use, stimulus valence, and social cues. Third, many different PPS-related responses exist, and each can be used to describe a different space. Here, we reconceptualise PPS as a set of graded fields describing behavioural relevance of actions aiming to create or avoid contact between objects and the body. This reconceptualisation incorporates PPS into mainstream theories of action selection and behaviour.
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