Hand usage in a colony of bonnett monkeys, Macaca radiata

R. J. Brooker, R. A W Lehman, R. C. Heimbuch, K. K. Kidd

Research output: Contribution to journalArticle

34 Citations (Scopus)

Abstract

Handedness and its possible inheritance have been studied in a colony of 69 Macaca radiata by observation of hand usage during daily feeding and foraging activities. Each animal was observed for the number of right- and left-handed actions made during two tasks: feeding and searching. Individual animals fell into one of three classes: significantly right-handed, significantly left-handed, and no significant preference. For analysis, handedness was considered as both a directional phenomenon (percentage right-handed usage) and a degree phenomenon (absolute deviation from 50:50 hand usage). Feeding and searching were significantly correlated for both direction and degree. Therefore, laterality for handedness does exist in this primate species. A developmental aspect to laterality was suggested by the positive correlation of degree with age. No mother-offspring correlations were found for either direction or degree and half-sibships were not more similar for either. Thus, there is no evidence for a genetic component to either direction or degree of handedness.

Original languageEnglish (US)
Pages (from-to)49-56
Number of pages8
JournalBehavior Genetics
Volume11
Issue number1
DOIs
StatePublished - Jan 1 1981

Fingerprint

Macaca radiata
handedness
Functional Laterality
Haplorhini
monkeys
hands
Hand
inheritance (genetics)
animals
Primates
foraging
animal
primate
Observation
Direction compound

Keywords

  • Macaca radiata
  • bonnett monkeys
  • degree of handedness
  • genetics of handedness
  • handedness
  • laterality
  • macaques

Cite this

Hand usage in a colony of bonnett monkeys, Macaca radiata. / Brooker, R. J.; Lehman, R. A W; Heimbuch, R. C.; Kidd, K. K.

In: Behavior Genetics, Vol. 11, No. 1, 01.01.1981, p. 49-56.

Research output: Contribution to journalArticle

Brooker, R. J. ; Lehman, R. A W ; Heimbuch, R. C. ; Kidd, K. K. / Hand usage in a colony of bonnett monkeys, Macaca radiata. In: Behavior Genetics. 1981 ; Vol. 11, No. 1. pp. 49-56.
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