Journal
TRENDS IN NEUROSCIENCES
Volume 39, Issue 7, Pages 449-462Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tins.2016.04.008
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Funding
- German Federal Government [BMBF CRCNS 01GQ1113]
- Deutsche Forschungsgemeinschaft [DFG SCHW577/10-1, SCHW577/10-2, SCHW577/14-1]
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The slip hypothesis of epicritic tactile perception interprets actively moving sensor and touched objects as a frictional system, known to lead to jerky relative movements called 'slips'. These slips depend on object geometry, forces, material properties, and environmental factors, and, thus, have the power to incorporate coding of the perceptual target, as well as perceptual strategies (sensor movement). Tactile information as transferred by slips will be encoded discontinuously in space and time, because slips sometimes engage only parts of the touching surfaces and appear as discrete and rare events in time. This discontinuity may have forced tactile systems of vibrissae and fingertips to evolve special ways to convert touch signals to a tactile percept.
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