HapticV1, Main, Merge, bibRecord, 001F35

On the haptic nature of the active electric sense of fish

Identifieur interne : 001F35 ( Main/Merge ); précédent : 001F34; suivant : 001F36

On the haptic nature of the active electric sense of fish

Auteurs : Angel A. Caputi [Uruguay] ; Pedro A. Aguilera [Uruguay] ; Ana Carolina Pereira [Uruguay] ; Alejo Rodriguez-Cattaneo [Uruguay]

Source :

Brain research [ 0006-8993 ] ; 2013.

RBID : Pascal:14-0033423

Descripteurs français

Pascal (Inist)
- Sensibilité tactile, Perception, Formation image, Récepteur biologique, Chronique, Pisces, Electroréception, Perception haptique.

English descriptors

KwdEn :
- Biological receptor, Chronic, Electroreception, Haptic perception, Imaging, Perception, Pisces, Tactile sensitivity.

Abstract

Electroreception is a sensory modality present in chondrichthyes, actinopterygii, amphibians, and mammalian monotremes. The study of this non-intuitive sensory modality has provided insights for better understanding of sensory systems in general and inspired the development of innovative artificial devices. Here we review evidence obtained from the analysis of electrosensory images, neurophysiological data from the recording of unitary activity in the electrosensory lobe, and psychophysical data from analysis of novelty responses provoked in well-defined stimulus conditions, which all confirm that active electroreception has a short range, and that the influence of exploratory movements on object identification is strong. In active electric images two components can be identified: a "global" image profile depending on the volume, shape and global impedance of an object and a "texture" component depending on its surface attributes. There is a short range of the active electric sense and the progressive "blurring" of object image with distance. Consequently, the lack of precision regarding object location, considered together, challenge the current view of this sense as serving long range electrolocation and the commonly used metaphor of "electric vision". In fact, the active electric sense shares more commonalities with human active touch than with teleceptive senses as vision or audition. Taking into account that other skin exteroceptors and proprioception may be congruently stimulated during fish exploratory movements we propose that electric, mechanoceptive and proprioceptive sensory modalities found in electric fish could be considered together as a single haptic sensory system.

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Pascal:14-0033423

Le document en format XML

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<sourceDesc><biblStruct><analytic><title xml:lang="en" level="a">On the haptic nature of the active electric sense of fish</title>
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<front><div type="abstract" xml:lang="en">Electroreception is a sensory modality present in chondrichthyes, actinopterygii, amphibians, and mammalian monotremes. The study of this non-intuitive sensory modality has provided insights for better understanding of sensory systems in general and inspired the development of innovative artificial devices. Here we review evidence obtained from the analysis of electrosensory images, neurophysiological data from the recording of unitary activity in the electrosensory lobe, and psychophysical data from analysis of novelty responses provoked in well-defined stimulus conditions, which all confirm that active electroreception has a short range, and that the influence of exploratory movements on object identification is strong. In active electric images two components can be identified: a "global" image profile depending on the volume, shape and global impedance of an object and a "texture" component depending on its surface attributes. There is a short range of the active electric sense and the progressive "blurring" of object image with distance. Consequently, the lack of precision regarding object location, considered together, challenge the current view of this sense as serving long range electrolocation and the commonly used metaphor of "electric vision". In fact, the active electric sense shares more commonalities with human active touch than with teleceptive senses as vision or audition. Taking into account that other skin exteroceptors and proprioception may be congruently stimulated during fish exploratory movements we propose that electric, mechanoceptive and proprioceptive sensory modalities found in electric fish could be considered together as a single haptic sensory system.</div>
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On the haptic nature of the active electric sense of fish

On the haptic nature of the active electric sense of fish

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

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