Laterality of Hand, Foot, Eye, and Ear in Twins

Reiß, Michael; Tymnik, G; Kogler, Petra; Kogler, Wolfgang; Reiß, Gilfe

doi:10.1080/713754337

Cited by 31 publications

(6 citation statements)

References 37 publications

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“…Consistent with more recent studies in comparing handedness between twins and singletons (Bishop, 2001;Medland et al, 2003;Reiss et al, 1999), the twins in this study were not found to be different from their singleton counterparts in the distribution of handedness. It is possible that a special twin environment effect, such as poor obstetric care, might have been acting on some of the earlier twin samples reported in previous studies (Orlebeke et al, 1996;Sicotte et al, 1999).…”

Section: Discussionsupporting

confidence: 93%

A School-based Twin Study of Handedness among Adolescents in Taiwan

Kuo

Lin

et al. 2005

Behav Genet

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This study aimed to evaluate whether twinning might influence handedness and the relative contribution of genetic and environmental factors to handedness in a total of 321 pairs of twins, 36 same-sex sib-pairs, and 1020 singletons, aged 12-16 and systematically recruited from the junior high schools in Taipei. Twins' zygosity was determined by a combination of DNA typing and physical similarity. The direction and consistency of handedness in twins did not differ from that seen in singletons. Compared with the full model containing additive genes (A), shared (C), and non-shared (E) environment, both AE and CE models had equivalently acceptable fit. The contribution from additive genes in the AE model was estimated to be 16% (directional) to 13% (consistent) for the continuous handedness and 34-10% for the categorical one, whereas the corresponding contribution from shared environment in the CE model was 14-14% and 32-11%, respectively. Handedness in adolescents appears to be not influenced by twinning and not substantially heritable, whereas environmental factors, especially those not shared between siblings, are the most important ones for explaining individual variations.

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Section: Discussionsupporting

confidence: 93%

A School-based Twin Study of Handedness among Adolescents in Taiwan

Kuo

Lin

et al. 2005

Behav Genet

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“…This finding effectively demonstrates a similar distribution as was identified for handedness. These measures are generally positively correlated in individuals supporting this finding (Porac and Coren, 1981;Brown and Taylor, 1988;Reiss et al, 1999;Dittmar, 2002;Ocklenburg and Güntürkün, 2009).…”

Section: Introductionsupporting

confidence: 65%

Using Mobile EEG to Investigate Alpha and Beta Asymmetries During Hand and Foot Use

et al. 2020

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The Edinburgh Handedness Inventory (EHI) and the Waterloo Footedness Questionnaire (WFQ) are two of the most widely used questionnaires to assess lateralized everyday behavior in human participants. However, it is unclear to what extent the specific behavior assessed in these questionnaires elicit lateralized neural activity when performed in real-life situations. To illuminate this unresolved issue, we assessed EEG alpha and beta asymmetries during real-life performance of the behaviors assessed in the EHI and WFQ using a mobile EEG system. This methodology provides high ecological validity for studying neural correlates of motor behavior under more naturalistic conditions. Our results indicate that behavioral performance of items of both the EHI and WFQ differentiate between left-and right-handers and left-and rightfooters on the neural level, especially in the alpha frequency band. These results were unaffected by movement parameters. Furthermore, we could demonstrate that neural activity elicited specifically during left-sided task performance provides predictive power for the EHI or WFQ score of the participants. Overall, our results show that these prominent questionnaires not only distinguish between different motor preferences on the behavioral level, but also on the neurophysiological level. Furthermore, we could show that mobile EEG systems are a powerful tool to investigate motor asymmetries in ecologically valid situations outside of the laboratory setting. Future research should focus on other lateralized behavioral phenotypes in real-life settings to provide more insights into lateralized motor functions.

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“…Some models (Coren, 1995;Laland, Kumm, Van Horn, & Feldman, 1995) attribute individual differences in hand preference to cultural and/or environmental factors rather than to the direct effect of polymorphic genes. However, although there is less evidence for an influence of genetic factors on eye and foot preference Merrell, 1957;Porac & Coren, 1979;Reiss et al, 1999;Zoccolotti, 1978), the results of multiple studies suggest a genetic component to hand preference. For example, a hand preference heritability of 60Á70% in American twins was reported by Boklage (1981).…”

Section: Duggirala C Thomas D Dyer C and Laura Almasymentioning

confidence: 92%

“…Although handedness is the best-known example of this phenomenon, functional lateralisation extends to other body parts. Correlations have been observed among various of these functional asymmetries, including those of the hand, foot, eye, and ear (Annett, 2000;Boschert & Deecke, 1986;Bourassa, McManus, & Bryden, 1996;Dargent-Pare, De Agostini, Mesbah, & Dellatolas, 1992;Fagard & Dahmen, 2004;Hebbal & Mysorekar, 2003;McManus, Porac, Bryden, & Boucher, 1999;Merrell, 1957;Reiss & Reiss, 1997;Reiss, Tymnik, Kogler, Kogler, & Reiss, 1999;Searleman & Porac, 2003). The relationship between hand preference and cerebral lateralisation, particularly as it relates to language, has been of particular interest (Annett, 1985(Annett, , 2000Corballis, 2003;Geschwind et al, 1998;Geschwind & Miller, 2001;Geschwind, Miller, DeCarli, & Carmelli, 2002;Keane, 2002;Levy & Nagylaki, 1972;Levy & Reid, 1978;McManus, 1985).…”

Section: Duggirala C Thomas D Dyer C and Laura Almasymentioning

confidence: 94%

Heritability and linkage analysis of hand, foot, and eye preference in Mexican Americans

Warren

Stern

Duggirala

et al. 2006

Laterality: Asymmetries of Body, Brain and Cognition

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Functional lateralities are of interest due to their relationship with cerebral lateralisation and language development. However, genes influencing sidedness remain elusive. We measured direction and consistency of hand, foot, and eye preference in 584 Mexican-Americans from families participating in the San Antonio Family Diabetes/Gallbladder Study. Using maximum-likelihood-based variance components methods, we estimated weak (.11

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Laterality of Hand, Foot, Eye, and Ear in Twins

Cited by 31 publications

References 37 publications

A School-based Twin Study of Handedness among Adolescents in Taiwan

A School-based Twin Study of Handedness among Adolescents in Taiwan

Using Mobile EEG to Investigate Alpha and Beta Asymmetries During Hand and Foot Use

Heritability and linkage analysis of hand, foot, and eye preference in Mexican Americans

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