Assessment and analysis of human laterality for manipulation and communication using the Rennes Laterality Questionnaire

Prieur, Jacques; Barbu, Stéphanie; Blois‐Heulin, Catherine

doi:10.1098/rsos.170035

Cited by 14 publications

(19 citation statements)

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“…A third argument stresses the deep interrelationships between human spoken language and laterality in non‐verbal communication with predominant use of the right hand for: ( i ) undistinguished types of gestures accompanying speech (e.g. Kimura, ; Saucier & Elias, ) and various other categories of gestures including iconic, symbolic, deictic (with and without speech), tactile and auditory gestures (Prieur, Barbu & Blois‐Heulin, ; Prieur et al ., ); ( ii ) sign language by deaf speakers (e.g. Bellugi, ; Corina, Vaid & Bellugi, ); and ( iii ) pre‐linguistic gestures by children such as pointing (e.g.…”

Section: Theories Of the Origins Of Languagementioning

confidence: 99%

The origins of gestures and language: history, current advances and proposed theories

et al. 2019

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Investigating in depth the mechanisms underlying human and non-human primate intentional communication systems (involving gestures, vocalisations, facial expressions and eye behaviours) can shed light on the evolutionary roots of language. Reports on non-human primates, particularly great apes, suggest that gestural communication would have been a crucial prerequisite for the emergence of language, mainly based on the evidence of large communication repertoires and their associated multifaceted nature of intentionality that are key properties of language. Such research fuels important debates on the origins of gestures and language. We review here three non-mutually exclusive processes that can explain mainly great apes' gestural acquisition and development: phylogenetic ritualisation, ontogenetic ritualisation, and learning via social negotiation. We hypothesise the following scenario for the evolutionary origins of gestures: gestures would have appeared gradually through evolution via signal ritualisation following the principle of derived activities, with the key involvement of emotional expression and processing. The increasing level of complexity of socioecological lifestyles and associated daily manipulative activities might then have enabled the acquisition and development of different interactional strategies throughout the life cycle. Many studies support a multimodal origin of language. However, we stress that the origins of language are not only multimodal, but more broadly multicausal. We propose a multicausal theory of language origins which better explains current findings. It postulates that primates' communicative signalling is a complex trait continually shaped by a cost-benefit trade-off of signal production and processing of interactants in relation to four closely interlinked categories of evolutionary and life cycle factors: species, individual and context-related characteristics as well as behaviour and its characteristics. We conclude by suggesting directions for future research to improve our understanding of the evolutionary roots of gestures and language.

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Section: Theories Of the Origins Of Languagementioning

confidence: 99%

The origins of gestures and language: history, current advances and proposed theories

et al. 2019

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“…e genetic development of the gene intensity in the family was analyzed quantitatively using HIB. e proportion of the left-handed people is 15%, approximately [14].…”

Section: Actual Data For Binary Variables Holding a Hammer In The Rimentioning

confidence: 99%

Heredity Indexes for Estimating Heritability Using Known and Unknown Family Data Based on the Model of Polygenic Inheritance

Liu

2020

Computational and Mathematical Methods in Medicine

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Objective. To establish a model for estimating genetic risk using known and unknown family data. Methods. Four simulated datasets were generated for four paternal and maternal chromosomes. The simulated data for children were generated from the parental data according to the Mendelian law. The correlation coefficient between the children’s and paternal data was calculated, and 2R was defined as the heredity index for continuous data (HIC). The simulated continuous data were transformed into binary data according to the gene accumulation threshold (incidence); the incidences of children in the parental no-disease group and the disease onset group were obtained; the correlation coefficient (R) was calculated as expected R (Re). The ratio of observed R (Ro) and Re was defined as the Heredity index for binary data (HIB). Results. Different actual pedigree data (lunula and holding a hammer in the right or left hand) were successfully used to verify the accuracy of the model. The genetic risk was estimated according to the incidence in a population using a lookup table. Conclusion. Our findings indicate the reliability of the model based on the fact that the multigene effect constitutes the normal distribution. Thus, this model can be used for comprehensive analysis of the influence of genetic and nongenetic factors on the genetic phenotype and to estimate genetic risk using known and unknown family data.

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“…Modern humans, at the population level, present a strong preference to use their right hand for manipulation activities, this meaning manual actions deprived of a communication function (e.g., Hecaen & de Ajuriaguerra, ; McManus, ; Prieur, Barbu, & Blois‐Heulin, ). Ninety per cent of humans use their right hand preferentially for complex tasks such as writing, bimanual coordinated actions and tool use (e.g., Annett, ; Fagard, ; Faurie, ; Faurie & Raymond, ).…”

Section: Introductionmentioning

confidence: 99%

“…Reports concern undistinguished types of gestures accompanying speech (e.g., Dalby, Gibson, Grossi, & Schneider, , Kimura, ; Saucier & Elias, ), sign language by deaf adult speakers (e.g., Bellugi, ; Corina, Vaid, & Bellugi, ; Grossi, Semenza, Corazza, & Volterra, ; Vaid, Bellugi, & Poizner, ) and deictic gestures such as POINTING (from here, gestures are written in lower capitals) and/or symbolic gestures (e.g., to indicate “no” to someone) by toddlers, young children and human adults (e.g., Bates, O'Connell, Vaid, Sledge, & Oakes, ; Blake, ; Cochet & Vauclair, ; Vauclair & Imbault, ; Young, Lock, & Service, ). Recently, Prieur et al ( and Prieur, Barbu, and Blois‐Heulin () investigated human adults’ laterality for non‐communication and communication functions using the Rennes 1 Laterality Questionnaire, which includes 60 questions related to laterality in daily activities. The overwhelming majority of their 5,904 participants used predominantly their right‐body side not only for manipulation actions but also for the following eight categories of gestures: iconic, symbolic, deictic (with and without speech), tactile, auditory, podial and head‐related gestures.…”

Section: Introductionmentioning

confidence: 99%

“…For instance, foetuses present a right‐side bias when beginning to move one arm at 9–10 weeks of gestation (Hepper, Mccartney, & Shannon, ), sucking their thumb from 14 to 15 weeks of gestation (Hepper, Shahidullah, & White, ), and turning their head in relation to their body from 14 weeks of gestation (Hepper et al ; Ververs, Vries, Geijn, & Hopkins, ). Several reports showed a right‐side bias for adults’ head‐related gestures, suggesting that this head‐motor bias persists into adulthood (Barrett, Greenwood, & McCullagh, ; Chapelain et al, ; Güntürkün, ; Karim et al, ; Ocklenburg & Güntürkün, ; Prieur et al, ). The prevalence of turning the head to the right during the last weeks of pregnancy would be associated with the position of the foetus's vertebral column with respect to the mother (e.g., Fagard, ).…”

Section: Introductionmentioning

confidence: 99%

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History, development and current advances concerning the evolutionary roots of human right‐handedness and language: Brain lateralisation and manual laterality in non‐human primates

et al. 2018

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This review highlights the scientific advances concerning the origins of human right‐handedness and language (speech and gestures). The comparative approach we adopted provides evidence that research on human and non‐human animals’ behavioural asymmetries helps understand the processes that lead to the strong human left‐hemisphere specialisation. We review four major non‐mutually exclusive environmental factors that are likely to have shaped the evolution of human and non‐human primates’ manual asymmetry: socioecological lifestyle, postural characteristics, task‐level complexity and tool use. We hypothesise the following scenario for the evolutionary origins of human right‐handedness: the right‐direction of modern humans’ manual laterality would have emerged from our ecological (terrestrial) and social (multilevel system) lifestyle; then, it would have been strengthened by the gradual adoption of the bipedal stance associated with bipedal locomotion, and the increasing level of complexity of our daily tasks including bimanual coordinated actions and tool use. Although hemispheric functional lateralisation has been shaped through evolution, reports indicate that many factors and their mutual intertwinement can modulate human and non‐human primates’ manual laterality throughout their life cycle: genetic and environmental factors, mainly individual sociodemographic characteristics (e.g., age, sex and rank), behavioural characteristics (e.g., gesture per se and gestural sensory modality) and context‐related characteristics (e.g., emotional context and position of target). These environmental (evolutionary and life cycle) factors could also have influenced primates’ manual asymmetry indirectly through epigenetic modifications. All these findings led us to propose the hypothesis of a multicausal origin of human right‐handedness.

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Assessment and analysis of human laterality for manipulation and communication using the Rennes Laterality Questionnaire

Cited by 14 publications

References 64 publications

The origins of gestures and language: history, current advances and proposed theories

The origins of gestures and language: history, current advances and proposed theories

Heredity Indexes for Estimating Heritability Using Known and Unknown Family Data Based on the Model of Polygenic Inheritance

History, development and current advances concerning the evolutionary roots of human right‐handedness and language: Brain lateralisation and manual laterality in non‐human primates

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