Preprint Review Version 1 Preserved in Portico This version is not peer-reviewed

Handedness Development: A Model for Investigating the Development of Hemispheric Specialization and Interhemispheric Coordination

Version 1 : Received: 5 May 2021 / Approved: 7 May 2021 / Online: 7 May 2021 (09:07:37 CEST)

A peer-reviewed article of this Preprint also exists.

Michel, G.F. Handedness Development: A Model for Investigating the Development of Hemispheric Specialization and Interhemispheric Coordination. Symmetry 2021, 13, 992. Michel, G.F. Handedness Development: A Model for Investigating the Development of Hemispheric Specialization and Interhemispheric Coordination. Symmetry 2021, 13, 992.

Journal reference: Symmetry 2021, 13, 992
DOI: 10.3390/sym13060992

Abstract

The author presents his perspective on the character of science, development, and handedness and relates these to his investigations of the early development of handedness. After presenting some ideas on what hemispheric specialization of function might mean for neural processing and how handedness should be assessed, the neuroscience of control of the arms/hands and interhemispheric communication and coordination are examined for how developmental processes can affect these mechanisms. The author’s work on the development of early handedness is reviewed and placed within a context of cascading events in which different forms of handedness emerge from earlier forms but not in a deterministic manner. This approach supports a continuous rather than categorical distribution of handedness and accounts for the predominance of right-handedness while maintaining a minority of left-handedness. Finally, the relation of the development of handedness to the development of several language and cognitive skills is examined.

Subject Areas

Development, handedness, lateralization, hemispheric specialization, interhemispheric coordination, embodiment

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