Handedness and laterality in humans and other animals
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A survey of the developmental, genetic, paleoneurological, comparative behavior, and neuropsychological evidence indicates that the neural organization responsible for handedness and laterality in humans is a heritable, species-specific trait.Abstract:
A survey of the developmental, genetic, paleoneurological, comparative behavior, and neuropsychological evidence indicates that the neural organization responsible for handedness and laterality in humans is a heritable, species-specific trait Handedness and laterality in monkeys, the most intensively studied nonhuman taxon, are not homologous to handedness and laterality in humans Monkeys learn hand preferences through experience and display no difference in learning by the hemispheres ipsi- and contralateral to the preferred hand Differences in the functions of the two hemispheres are found in several other nonhuman species, but none has been correlated with paw preferencesread more
Citations
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Primate handedness reconsidered
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Hemispheric laterality in animals and the effects of early experience
TL;DR: It is predicted that functional lateralization, when present, will be similar across species: the left hemisphere will tend to be involved in communicative functions while the right hemisphere will respond to spatial and affective information; both hemispheres will often interact via activation-inhibition mechanisms when affective or emotional processes are involved.
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On the Other Hand: Current Issues in and Meta-Analysis of the Behavioral Laterality of Hand Function in Nonhuman Primates
TL;DR: It is concluded that nonhu- man primate hand function has not been shown to be lateralized at the species level—it is not the norm for any species, task, or setting, and so offers no easy model for the evolution of human handedness.
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Manual laterality in nonhuman primates : a distinction between handedness and manual specialization
Joël Fagot,Jacques Vauclair +1 more
TL;DR: This article examines individual and group manual lateralization in nonhuman primates as a function of task's demands to distinguish low- from high-level manual activities with respect to the novelty variable and to the spatiotemporal scale of the movements.
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Archaeological evidence for preferential right-handedness in the lower and middle pleistocene, and its possible implications
TL;DR: In this paper, a preferential, clockwise rotation of stone cores during flaking was found to be consistent with right-handed toolmakers, suggesting that there was a genetic basis for righthandedness by 1·4 to 1·9 million years ago, and there may have already been a profound lateralization in the hominid brain with the two hemispheres becoming more specialized for different functions.
References
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Cerebral hemispheric asymmetry in humans. Cortical speech zones in 100 adults and 100 infant brains
TL;DR: The findings suggest that a higher percentage of persons may have right-sided cerebral representation for speech than has been assumed previously and a predetermined morphological asymmetry contributes to establishing the ultimate pattern of cerebral speech representation following an early insult to a predisposed hemisphere.
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Patterns of Hand Preference in a Student Population
Gary G. Briggs,Robert D. Nebes +1 more
TL;DR: It was found that a family history of left-handedness was significantly related to the handedness of the subject and the present form of the Annett inventory provides an easily scorable inventory for determininghandedness of large groups as well as for use in individual testing situations.
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The distribution of manual asymmetry
TL;DR: It is concluded that the basic normal distribution probably depends on accidental variation while the human shift to the right may be a product of both cultural and genetic influences.
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Sex and the single hemisphere: specialization of the right hemisphere for spatial processing
TL;DR: The results suggest a sexual dimorphism in the neural organization underlying cognition during a major period of childhood in boys and girls between 6 and 13 years of age.
Related Papers (5)
Manual laterality in nonhuman primates : a distinction between handedness and manual specialization
Joël Fagot,Jacques Vauclair +1 more