16 found
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  1. Survival with an Asymmetrical Brain: Advantages and Disadvantages of Cerebral Lateralization.Giorgio Vallortigara & Lesley J. Rogers - 2005 - Behavioral and Brain Sciences 28 (4):575-589.
    Recent evidence in natural and semi-natural settings has revealed a variety of left-right perceptual asymmetries among vertebrates. These include preferential use of the left or right visual hemifield during activities such as searching for food, agonistic responses, or escape from predators in animals as different as fish, amphibians, reptiles, birds, and mammals. There are obvious disadvantages in showing such directional asymmetries because relevant stimuli may be located to the animal's left or right at random; there is no a priori association (...)
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  2.  7
    Modularity and Spatial Reorientation in a Simple Mind: Encoding of Geometric and Nongeometric Properties of a Spatial Environment by Fish.Valeria Anna Sovrano, Angelo Bisazza & Giorgio Vallortigara - 2002 - Cognition 85 (2):B51-B59.
  3.  80
    Origins of Spatial, Temporal and Numerical Cognition: Insights From Comparative Psychology.Daniel B. M. Haun, Fiona M. Jordan, Giorgio Vallortigara & Nicky S. Clayton - 2010 - Trends in Cognitive Sciences 14 (12):552-560.
  4.  3
    Experimental Evidence From Newborn Chicks Enriches Our Knowledge on Human Spatial–Numerical Associations.Rosa Rugani, Giorgio Vallortigara, Konstantinos Priftis & Lucia Regolin - forthcoming - Cognitive Science.
    Núñez and Fias raised concerns on whether our results demonstrate a linear number-space mapping. Patro and Nuerk urge caution on the use of animal models to understand the origin of the orientation of spatial–numerical association. Here, we discuss why both objections are unfounded.
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    Animals' Use of Landmarks and Metric Information to Reorient: Effects of the Size of the Experimental Space.Valeria Anna Sovrano, Angelo Bisazza & Giorgio Vallortigara - 2005 - Cognition 97 (2):121-133.
  6.  19
    Minds of Their Own.Giorgio Vallortigara - 1998 - Trends in Cognitive Sciences 2 (3):118.
  7.  6
    Conjoining Information From Different Modules: A Comparative Perspective.Giorgio Vallortigara & Valeria Anna Sovrano - 2002 - Behavioral and Brain Sciences 25 (6):701-702.
    The hypothesis that nonhuman species, lacking verbal language, do not really integrate information from different modules, but use instead information sequentially, appears difficult to put under empirical scrutiny. Evidence is discussed showing that in nonhuman species storing of geometric information occurs spontaneously even when landmark information suffices for spatial reorientation, suggesting simultaneous encoding, if not use, of information from different modules.
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  8.  19
    Forming an Asymmetrical Brain: Genes, Environment, and Evolutionarily Stable Strategies.Giorgio Vallortigara & Lesley J. Rogers - 2005 - Behavioral and Brain Sciences 28 (4):615-623.
    The present response elaborates and defends the main theses advanced in the target article: namely, that in order to provide an evolutionary account of brain lateralization, we should consider advantages and disadvantages associated both with the individual possession of an asymmetrical brain and with the alignment of the direction of lateralization at the population level. We explain why we believe that the hypothesis that directional lateralization evolved as an evolutionarily stable strategy may provide a better account than alternative hypotheses. We (...)
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  9.  7
    Social Cognition and Learning Mechanisms: Experimental Evidence in Domestic Chicks.Jonathan N. Daisley, Orsola Rosa Salva, Lucia Regolin & Giorgio Vallortigara - 2011 - Interaction Studies 12 (2):208-232.
    In this paper we review the literature on social learning mechanisms in the domestic chick, focusing largely on work from our own laboratories. The domestic chicken is a social-living bird that searches for food in flocks, avoids predators by following warnings from other flock members, and forms (stable) social hierarchies. All of these behaviors develop throughout ontogeny, largely during the very early stages post-hatch. Newly hatched chicks appear to have predispositions to orient towards and to pay greatest attention to the (...)
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  10.  1
    Response: “Newborn Chicks Need No Number Tricks. Commentary: Number-Space Mapping in the Newborn Chick Resembles Humans' Mental Number Line”.Rosa Rugani, Giorgio Vallortigara, Konstantinos Priftis & Lucia Regolin - 2016 - Frontiers in Human Neuroscience 10.
  11.  2
    An Experimental Study of the Alphabetical Rating.Sergio Cesare Masin, Giuliana Mazzoni & Giorgio Vallortigara - 1987 - Bulletin of the Psychonomic Society 25 (4):259-262.
  12.  3
    Minimization of Modal Contours: An Instance of an Evolutionary Internalized Geometric Regularity?Giorgio Vallortigara & Luca Tommasi - 2001 - Behavioral and Brain Sciences 24 (4):706-707.
    The stratification in depth of chromatically homogeneous overlapping figures depends on a minimization rule which assigns the status of being “in front” to the figure that requires the formation of shorter modal contours. This rule has been proven valid also in birds, whose visual neuroanatomy is radically different from that of other mammals, thus suggesting an example of evolutionary convergence toward a perceptual universal. [Shepard].
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  13.  4
    Segregation and Integration of Information Among Visual Modules.Giorgio Vallortigara - 1999 - Behavioral and Brain Sciences 22 (3):398-399.
    It is argued that the alleged cases of cognitive penetration of visual modules actually arise from the integration of information among different modules. This would reflect a general computational strategy according to which constraints to a particular module would be provided by information coming from different modules. Examples are provided from the integration of stereopsis and occlusion and from computation of motion direction.
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  14. Social Cognition and Learning Mechanisms: Experimental Evidence in Domestic Chicks.Jonathan N. Daisley, Orsola Rosa Salva, Lucia Regolin & Giorgio Vallortigara - 2011 - Interaction Studiesinteraction Studies Social Behaviour and Communication in Biological and Artificial Systems 12 (2):208-232.
  15. Young Children Do Not Succeed in Choice Tasks That Imply Evaluating Chances.Vittorio Girotto, Laura Fontanari, Michel Gonzalez, Giorgio Vallortigara & Agnès Blaye - 2016 - Cognition 152:32-39.
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  16. Piece of Evidence. Commentary: Ancestral Mental Number Lines: What Is the Evidence?Rosa Rugani, Giorgio Vallortigara, Konstantinos Priftis & Lucia Regolin - 2016 - Frontiers in Psychology 7.
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