HapticV1, PubMed, Corpus, bibRecord, 001048

The role of fractality in perceptual learning: exploration in dynamic touch.

Identifieur interne : 001048 ( PubMed/Corpus ); précédent : 001047; suivant : 001049

The role of fractality in perceptual learning: exploration in dynamic touch.

Auteurs : Damian G. Stephen ; Ryan Arzamarski ; Claire F. Michaels

Source :

Journal of experimental psychology. Human perception and performance [ 1939-1277 ] ; 2010.

RBID : pubmed:20718566

English descriptors

KwdEn :
- Concept Formation, Discrimination (Psychology), Fractals, Humans, Judgment, Psychomotor Performance, Sensory Deprivation, Size Perception, Stereognosis, Touch, Weight Perception.
MESH :
- Concept Formation, Discrimination (Psychology), Fractals, Humans, Judgment, Psychomotor Performance, Sensory Deprivation, Size Perception, Stereognosis, Touch, Weight Perception.

Abstract

Perceptual systems must learn to explore and to use the resulting information to hone performance. Optimal performance depends on using information available at many time scales, from the near instantaneous values of variables underlying perception (i.e., detection), to longer term information about appropriate scaling (i.e., calibration), to yet longer term information guiding variable use (i.e., attunement). Fractal fluctuations in explorations would entail fluctuation at all time scales, allowing perceptual systems a flexible way to detect information at all time scales. We tested whether perceptual learning in dynamic touch is related to the fractality of wielding behaviors. A reanalysis of wielding behaviors from Arzamarski, Isenhower, Kay, Turvey, and Michaels (2010) revealed that exploratory movements were fractal and that a fractal-scaling exponent predicts individual differences in haptic judgments.

DOI: 10.1037/a0019219
PubMed: 20718566

Links to Exploration step

pubmed:20718566

Le document en format XML

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<front><div type="abstract" xml:lang="en">Perceptual systems must learn to explore and to use the resulting information to hone performance. Optimal performance depends on using information available at many time scales, from the near instantaneous values of variables underlying perception (i.e., detection), to longer term information about appropriate scaling (i.e., calibration), to yet longer term information guiding variable use (i.e., attunement). Fractal fluctuations in explorations would entail fluctuation at all time scales, allowing perceptual systems a flexible way to detect information at all time scales. We tested whether perceptual learning in dynamic touch is related to the fractality of wielding behaviors. A reanalysis of wielding behaviors from Arzamarski, Isenhower, Kay, Turvey, and Michaels (2010) revealed that exploratory movements were fractal and that a fractal-scaling exponent predicts individual differences in haptic judgments.</div>
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The role of fractality in perceptual learning: exploration in dynamic touch.

The role of fractality in perceptual learning: exploration in dynamic touch.

Source :

English descriptors

Abstract

Links to Exploration step

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri

Pour générer des pages wiki