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NUITFRANCE - Bibliothèque - Fiche bibliographique
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Document " Reduced Performance of Prey Targeting in Pit Vipers with Contralaterally Occluded Infrared and Visual Senses "
Type de document : |
Articles de revue scientifique |
Thème du document : |
Nuit naturelle - Sens et orientation du vivant |
Groupe biologique : |
Reptiles |
Auteur(s) : |
CHEN Q.
DENG H.
BRAUTH S.E.
DING L.
TANG Y.
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Date de publication : |
Mai 2012 |
Langue : |
English/Anglais |
Nom du périodique : |
PLOS One |
Précisions : |
Volume 7. Numéro 5, e34989 |
Lien contenu/source : |
http://journals.plos.org/plosone/article?id=10.137... |
DOI : |
10.1371/journal.pone.0034989 |
Citation courte : |
Chen et al. (2012) |
Citation complète (format NuitFrance) : |
CHEN Q., DENG H., BRAUTH S.E., DING L. & TANG Y. (2012). Reduced Performance of Prey Targeting in Pit Vipers with Contralaterally Occluded Infrared and Visual Senses. PLOS One. Volume 7. Numéro 5, e34989. |
Résumé du document : |
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Both visual and infrared (IR) senses are utilized in prey targeting by pit vipers. Visual and IR inputs project to the contralateral optic tectum where they activate both multimodal and bimodal neurons. A series of ocular and pit organ occlusion experiments using the short-tailed pit viper (Gloydius brevicaudus) were conducted to investigate the role of visual and IR information during prey targeting. Compared with unoccluded controls, snakes with either both eyes or pit organs occluded performed more poorly in hunting prey although such subjects still captured prey on 75% of trials. Subjects with one eye and one pit occluded on the same side of the face performed as well as those with bilateral occlusion although these subjects showed a significant targeting angle bias toward the unoccluded side. Performance was significantly poorer when only a single eye or pit was available. Interestingly, when one eye and one pit organ were occluded on opposite sides of the face, performance was poorest, the snakes striking prey on no more than half the trials. These results indicate that, visual and infrared information are both effective in prey targeting in this species, although interference between the two modalities occurs if visual and IR information is restricted to opposite sides of the brain.
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Saisie sur NuitFrance par : |
Rosor |
Saisie sur NuitFrance en : |
Octobre 2017 |
Identifiant NuitFrance : |
NF-BIBLI-1727 |
Permalien de la fiche NuitFrance : |
http://www.nuitfrance.fr/?page=donneesdoc&partie=fiche-bibliographique&id_doc=1727 |
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