Mangalam, M. and Desa, Nisarg and Singh, M. (2016) Division of labour: A democratic approach towards understanding manual asymmetries in non-human primates. Current Science, 110 (9). pp. 1630-1638. ISSN 0011-3891
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Abstract
A consequence of the ‘gold rush’-like hunch for human-like handedness in non-human primates has been that researchers have been continually analysing observa-tions at the level of the population, ignoring the analy-sis at the level of an individual and, consequently, have potentially missed revelations on the forms and functions of manual asymmetries. Recently, consecu-tive studies on manual asymmetries in bonnet ma-caques, Macaca radiata revealed both the functional and adaptive significance of manual asymmetries res-pectively, and pointed towards the division of labour as being the general principle underlying the observed hand-usage patterns. We review the studies on manual asymmetries in capuchin monkeys, Cebus spp.and argue that the observed hand-usage patterns might re-flect specialization of the two hands for accomplishing tasks that require different dexterity types (i.e. manoeuvring in three-dimensional space or physical strength). To this end, we do a step-by-step analysis of the various tasks used in the studies on manual asymmetries in capuchin monkeys. We then describe the division of labour as a general principle underlyingmanual asymmetries in non-human primates and pro-pose experimental designs that would elaborate the forms and functions of manual asymmetries in non-human primates and the associated adaptive value.
| Item Type: | Article |
|---|---|
| Subjects: | C Chemical Science > Chemistry D Physical Science > Physics |
| Divisions: | Department of > Institution of Excellence |
| Depositing User: | Manjula P Library Assistant |
| Date Deposited: | 28 Jun 2019 07:10 |
| Last Modified: | 28 Jun 2019 07:10 |
| URI: | http://eprints.uni-mysore.ac.in/id/eprint/4044 |
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