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Open AccessArticle

Visual Lateralization in the Cephalopod Mollusk Octopus vulgaris

1
School of Life Sciences, University of Lincoln, Lincoln LN6 7DL, UK
2
Center for Mind/Brain Sciences, University of Trento, Piazza della Manifattura 1, I-38068 Rovereto, Italy
3
Department of Biology and Evolution of Marine Organisms, Stazione Zoologica Anton Dohrn, I-80121 Napoli, Italy
*
Author to whom correspondence should be addressed.
Symmetry 2019, 11(9), 1121; https://doi.org/10.3390/sym11091121
Received: 26 June 2019 / Revised: 16 August 2019 / Accepted: 20 August 2019 / Published: 4 September 2019
(This article belongs to the Special Issue Brain Functional Lateralization in Animals)
Behavioral asymmetries exhibited by the common octopus, Octopus vulgaris, a cephalopod mollusk, during predatory and exploratory responses were investigated. Animals were tested for eye preferences while attacking a natural (live crab) or an artificial (plastic ball) stimulus, and for side preferences while exploring a T-maze in the absence of any specific intra- or extra-maze cues. We found individual-level asymmetry in some animals when faced with either natural or artificial stimuli, but not when exploring the maze. Our findings suggest that visual lateralization in O. vulgaris is context-dependent. View Full-Text
Keywords: lateralization; asymmetry; brain asymmetry; behavioral asymmetry; vision; cephalopod; octopus; context-dependent; maze lateralization; asymmetry; brain asymmetry; behavioral asymmetry; vision; cephalopod; octopus; context-dependent; maze
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Frasnelli, E.; Ponte, G.; Vallortigara, G.; Fiorito, G. Visual Lateralization in the Cephalopod Mollusk Octopus vulgaris. Symmetry 2019, 11, 1121.

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