Forrester, Gillian S. and Leavens, David A. and Quaresmini, Caterina and Vallortigara, Giorgio (2011) Target animacy influences gorilla handedness. Animal Cognition, 14 (6). pp. 903-907. ISSN 1435-9448
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Official URL: http://dx.doi.org/10.1007/s10071-011-0413-6
We investigated the unimanual actions of a biological family group of twelve western lowland gorillas (Gorilla gorilla gorilla) using a methodological approach designed to assess behavior within social context from a bottom-up perspective. Measures of both the lateralization of unimanual actions (left, right) and the target of the action (animate, inanimate) were assessed during dual, synchronized video observations of naturalistic behavior. This paper demonstrates a corelationship between handedness and the animate quality of the target object. Analyses demonstrated a significant interaction between lateralized unimanual actions and target animacy and a right-hand bias for actions directed toward inanimate targets. We suggest that lateralized motor preference reflects the different processing capabilities of the left and right hemispheres, as influenced by the emotive (animate) and/or functional (inanimate) characteristics of the target, respectively.
|Research Community:||University of Westminster > Social Sciences, Humanities and Languages, School of|
|Deposited On:||19 May 2011 15:17|
|Last Modified:||25 Oct 2011 12:45|
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