Effects of early adverse experiences on behavioural lateralisation in rhesus monkeys (<i>Macaca mulatta</i>)

Bennett, Allyson J.; Suomi, Stephen J.; Hopkins, William D.

doi:10.1080/13576500802022216

Cited by 37 publications

(40 citation statements)

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“…A number of studies on primates also report the effect of the animals’ sex on motor laterality (e.g., [48,50,51,55]). However, in some primate species sex affects only the strength of limb preferences [91,92], and in many others no differences in preferential hand use between males and females was found at all [54-60].…”

Section: Discussionmentioning

confidence: 99%

“…Sex differences in motor preferences have been described in many primates (e.g., [46-51]). Generally, bias for use the left hand is more characteristic of males, whereas a greater right-hand use has been noted for females (e.g., [8,48,50,52,53]); although a number of primate studies failed to reveal any differences in motor laterality between the sexes [54-60]. The most pronounced sex differences in manual laterality have been reported for non-primate quadrupedal mammals.…”

Section: Introductionmentioning

confidence: 99%

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Forelimb preferences in quadrupedal marsupials and their implications for laterality evolution in mammals

2013

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BackgroundAcquisition of upright posture in evolution has been argued to facilitate manual laterality in primates. Owing to the high variety of postural habits marsupials can serve as a suitable model to test whether the species-typical body posture shapes forelimb preferences in non-primates or this phenomenon emerged only in the course of primate evolution. In the present study we aimed to explore manual laterality in marsupial quadrupeds and compare them with the results in the previously studied bipedal species. Forelimb preferences were assessed in captive grey short-tailed opossum (Monodelphis domestica) and sugar glider (Petaurus breviceps) in four different types of unimanual behaviour per species, which was not artificially evoked. We examined the possible effects of sex, age and task, because these factors have been reported to affect motor laterality in placental mammals.ResultsIn both species the direction of forelimb preferences was strongly sex-related. Male grey short-tailed opossums showed right-forelimb preference in most of the observed unimanual behaviours, while male sugar gliders displayed only a slight, not significant rightward tendency. In contrast, females in both species exhibited consistent group-level preference of the left forelimb. We failed to reveal significant differences in manual preferences between tasks of potentially differing complexity: reaching a stable food item and catching live insects, as well as between the body support and food manipulation. No influence of subjects’ age on limb preferences was found.ConclusionsThe direction of sex-related differences in the manual preferences found in quadrupedal marsupials seems to be not typical for placental mammals. We suggest that the alternative way of interhemispheric connection in absence of corpus callosum may result in a fundamentally distinct mechanism of sex effect on limb preferences in marsupials compared to placentals. Our data confirm the idea that non-primate mammals differ from primates in sensitivity to task complexity. Comparison of marsupial species studied to date indicate that the vertical body orientation and the bipedalism favor the expression of individual– and population–level forelimb preferences in marsupials much like it does in primates. Our findings give the first evidence for the effect of species-typical posture on the manual laterality in non-primate mammals.

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Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Forelimb preferences in quadrupedal marsupials and their implications for laterality evolution in mammals

2013

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“…The effect of social interactions early in life may also impinge upon the level of lateralization. In the rhesus monkey (Macaca mulatta), it has been shown that early rearing conditions play an important role in the development of lateralization: those monkeys raised not by their mother, but in a nursery with only same age individuals for companionship, showed a greater left-hand bias when reaching for a reward in a tube (Bennett et al 2008). Also, rats, having been exposed to novel (potentially, more stressful) environments as pups, became less right-pawed as adults (Tang & Verstynen 2002).…”

Section: Lateralization Of Preference For Face-like Configurationsmentioning

confidence: 99%

Lateralization of social cognition in the domestic chicken (Gallus gallus)

Daisley

Mascalzoni

Rosa‐Salva

et al. 2008

Phil. Trans. R. Soc. B

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In this paper, we report on the ongoing work in our laboratories on the effect of lateralization produced by light exposure in the egg on social cognition in the domestic chick (Gallus gallus). The domestic chick possesses a lateralized visual system. This has effects on the chick's perception towards and interaction with its environment. This includes its ability to live successfully within a social group. We show that there is a tendency for right brain hemisphere dominance when performing social cognitive actions. As such, chicks show a left hemispatial bias for approaching a signalled target object, tend to perceive gaze and faces of human-like masks more effectively when using their left eye, are able to inhibit a pecking response more effectively when viewing a neighbour tasting a bitter substance with their left eye, and are better able to perform a transitive inference task when exposed to light in the egg and when forced to use their left eye only compared to dark-hatched or right eye chicks. Some of these effects were sex specific, with male chicks tending to show an increased effect of lateralization on their behaviours. These data are discussed in terms of overall social cognition in group living.

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“…The group-level handedness has been reported in seven nonhuman primates species to date (right-handedness: Cebus apella : Spinozzi et al, 1998; Gorillas gorilla: Hopkins et al, 2011; Pan troglodytes : Hopkins, 1995, 1999a; Hopkins et al, 2001, 2003a,b; 2004, 2005; Llorente et al, 2009, 2011; Hopkins et al, 2011; Papio anubis : Vauclair et al, 2005; left-handedness: Cercopithecus neglectus : Schweitzer et al, 2007; Macaca mulatta : Westergaard et al, 1997, Bennet et al, 2008; Pongo pygmaeus : Hopkins et al, 2003a; Hopkins et al, 2011). …”

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confidence: 99%

Handedness in nature: First evidence on manual laterality on bimanual coordinated tube task in wild primates

Zhao

Hopkins

2012

American J Phys Anthropol

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Handedness is a defining feature of human manual skill and understanding the origin of manual specialization remains a central topic of inquiry in anthropology and other sciences. In this study, we examined hand preference in a sample of wild primates on a task that requires bimanual coordinated actions (tube task) that has been widely used in captive primates. The Sichuan snub-nosed monkey (Rhinopithecus roxellana) is an arboreal Old World monkey species that is endemic to China, and 24 adult individuals from the Qinling Mountains of China were included for the analysis of hand preference in the tube task. All subjects showed strong individual hand preferences and significant group-level left-handedness was found. There were no significant differences between males and females for either direction or strength of hand preference. Strength of hand preferences of adults was significantly greater than juveniles. Use of the index finger to extract the food was the dominant extractive-act. Our findings represent the first evidence of population-level left-handedness in wild Old World monkeys, and broaden our knowledge on evaluating primate hand preference via experimental manipulation in natural conditions.

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Effects of early adverse experiences on behavioural lateralisation in rhesus monkeys (Macaca mulatta)

Cited by 37 publications

References 50 publications

Forelimb preferences in quadrupedal marsupials and their implications for laterality evolution in mammals

Forelimb preferences in quadrupedal marsupials and their implications for laterality evolution in mammals

Lateralization of social cognition in the domestic chicken (Gallus gallus)

Handedness in nature: First evidence on manual laterality on bimanual coordinated tube task in wild primates

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