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Titolo:
Lateralization of response to social stimuli in fishes: A comparison between different methods and species
Autore:
Sovrano, VA; Bisazza, A; Vallortigara, G;
Indirizzi:
Univ Padua, Dept Gen Psychol, I-35131 Padua, Italy Univ Padua Padua Italy I-35131 a, Dept Gen Psychol, I-35131 Padua, Italy Univ Trieste, Dept Psychol, I-34123 Trieste, Italy Univ Trieste Trieste Italy I-34123 Dept Psychol, I-34123 Trieste, Italy Univ Trieste, BRAIN Ctr Neurosci, I-34123 Trieste, Italy Univ Trieste Trieste Italy I-34123 Ctr Neurosci, I-34123 Trieste, Italy
Titolo Testata:
PHYSIOLOGY & BEHAVIOR
fascicolo: 1-2, volume: 74, anno: 2001,
pagine: 237 - 244
SICI:
0031-9384(20010901)74:1-2<237:LORTSS>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
RIGHT-HEMISPHERE ADVANTAGE; SPLIT-BRAIN MONKEYS; DOMESTIC CHICK; EYE USE; DETOUR BEHAVIOR; VISUAL LATERALIZATION; POECILIID FISH; TELEOST FISH; SPECIALIZATION; ASYMMETRIES;
Keywords:
lateralization; asymmetry; social recognition; right hemisphere; fish;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
54
Recensione:
Indirizzi per estratti:
Indirizzo: Sovrano, VA Univ Padua, Dept Gen Psychol, Via Venezia 8, I-35131 Padua, Italy Univ Padua Via Venezia 8 Padua Italy I-35131 131 Padua, Italy
Citazione:
V.A. Sovrano et al., "Lateralization of response to social stimuli in fishes: A comparison between different methods and species", PHYSL BEHAV, 74(1-2), 2001, pp. 237-244

Abstract

We measured the time spent in monocular viewing during inspection of theirown mirror images in females of three species of fish (Xenotoca eiseni, Gambusia holbrooki and Xenopoecilus sarasinorum) using a rectangular tank in which animals could observe their own reflections in two mirrors positionedalong the major walls, and in females of five species of fish (X. eiseni, G. holbrooki, X sarasinorum, Danio rerio and Gnatonemus petersii) using a quasi-circular tank in which fish could rotate clockwise or anticlockwise and observe their own reflections in a mirror positioned along the outer wall. Results revealed a consistent left-eye preference during initial sustained fixation in all species irrespective of the apparatus. However, in the quasi-circular tank, fish showed more variability of response. The asymmetry was apparent during the first 5 min of observation and tended to fade thereafter, probably as a result of habituation. These findings add to current evidence for a quite invariant pattern in the direction of lateralization insimilar tasks in a variety of vertebrate species, with a preferential involvement of structures located to the right side of the brain in response tothe viewing of images of conspecifics. (C) 2001 Elsevier Science Inc. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/04/20 alle ore 11:15:43