Dsouza, Nikhil Victor and Adhikari, Prabha and Kotian, M.S. (2015) Comparison of Handedness Questionairre with Brain Hemisity Questionairre for Determining Brain Dominance in Young Adults. IOSR Journal of Dental and Medical Sciences, 14 (9). pp. 4-6. ISSN 2279-0861

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Abstract

Brain dominance and handedness have been of great interest to physicians and neurologists from time immemorial. While handedness deals with motor dominance and cerebral hemisphere producing language , brain hemisity deals with learning characteristics and behavioural styles. A Edinburgh handedness inventory (EHI) published in 1971 (1) measures hand dominance in daily activities. After nearly 35 years of use of EHI a revision (2) was made in EHI by discarding activities like opening box, broom and drawing and incorporating a new one , that is use of a computer mouse. Likert scale format was added. While this satisfied neurologists, evidence has accumulated that individuals with right and left brain behavioural orientations do exist .Of late the term hemisity has been used for this, hemisity characters are rarely used in medical practice but extensively used in higher education and career choice. (3) Hemisity has been assessed and confirmed by biophysical methods , questionnaires and MRI studies.(4) Morton (2012) adopted 30 validated questions using MRI findings and developed a new hemisity questionnaire which included assessment of logical orientation , type of consciousness , fear level and sensitivity , social professional orientation. (5) Since there is confusion between handedness , brain dominance and brain hemisity , we conducted this study to see the correlation between self reported handedness , Edinburgh handedness Inventory , Revised Edinburgh handedness Inventory and hemisity . The study will also validate Edinburgh handedness questionnaire and hemisity questionnaire in our population.

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