Research at the UJI analyses the "atypical organisation" of language of 25% of left-handed people



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## Research at the UJI analyses the "atypical organisation" of language of 25% of left-handed people

01/08/2022 |
SCP

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* [![ estudi-esquerrers Grup_Cesar_Avila_22DLL28](/com/investigacio/arxiu/noticies/2022/7/estudi-esquerrers/Grup_Cesar_Avila_22DLL28.jpg)](#)

A research project of the Department of Basic and Clinical Psychology and Psychobiology of the Universitat Jaume I studies the "atypical organisation" of the language of a percentage of between 22 and 25% of left-handed people. According to this project, 9.3% of the population prefers to use their left hand to carry out most everyday actions, and a quarter of these people have either right-brain control or bilateral control by both hemispheres, unlike the rest of the population, whose language is organised by the left hemisphere.

The study led by César Ávila, professor of Basic Psychology, aims to "determine the neural, developmental and behavioural variables that lead to these two independent pathways of atypical language organisation", as well as to "explore the changes in brain organisation and the neurocognitive advantages and disadvantages" for the group under study. As music is known to enhance areas of language in the right hemisphere, the research team hypothesised that left-handed musicians would be the ones with language in that hemisphere. "We have found that if we focus on searching among left-handed musicians, that initial 20% rises to 40%, and the Valencian Community offers a magnificent framework for studying this, given the size of our bands". The search for left-handed musicians continues, and those interested in participating in this research can contact the Ávila team by emailing neuroimagen@uji.es.

In order to carry out the fieldwork, a magnetic resonance equipment has been acquired that allows to observe brain responses in real time to locate in a few minutes the area of the brain where language is generated. The incorporation of this equipment has been possible thanks to an IDIFEDER project, awarded by the Department of Innovation, Universities, Science and Digital Society of the Generalitat Valenciana.

According to Ávila, "left-handed people are misunderstood: they are seen as different and we think that they are also different from each other. Knowing their different subtypes will allow us to better address and understand their needs. On the other hand, there is an additional objective for the future: to understand how this language is formed in one or the other hemisphere when they are children, and what variables favour it".

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