A brand new Cornell College examine, over a century of analysis analyzing the hyperlink between dominant hand and creativity, believes that the broad perception that left-handed individuals are extra inventive isn’t truly true.
“This knowledge doesn’t help the advantages of left-handed inventive pondering,” says Daniel Casasant, an affiliate professor of psychology. “Actually, there’s some proof that the best wing is extra inventive in some medical assessments, and there’s sturdy proof that the best wing is overrepresented in occupations that require most creativity.”
Casasanto is a senior writer of “Dominant Hand and Creativity: Information and Fiction.” Psychological economics information and opinions.
Casasanto mentioned there’s scientific motive to consider that left-handed folks, who’re conservatively estimated to make up about 10% of the inhabitants, are inventive. Numerous pondering – the power to discover many doable options to issues in a short while and create sudden connections – is extra supported by the best hemisphere of the mind.
Researchers carried out a meta-analysis – screened 1,000 associated scientific papers revealed since 1900. Most didn’t report knowledge in a standardized method or as a result of they solely included the best edge (the usual for research searching for homogeneous samples), we left 17 research reporting almost 50 results.
A meta-analysis revealed that advantages had been little totally different to the three most typical medical assessments linking with divergent pondering. If something, the best wing had minor benefits in a couple of assessments.
“Trying on the entire literature, this declare of left-handed creativity is solely not supported,” Casasant mentioned.
What are your beliefs in regards to the particular creativity of left-handed folks? He speculates that one issue the writer is presuming is left-handed exceptionalism. The concept is that you simply hardly ever grow to be a left-handed, inventive genius. The opposite is the final notion that inventive genius is related to psychological sickness. Left-handed folks, who usually tend to be artists, have a better fee of melancholy and schizophrenia.
“This concept that left-handed, artwork and psychological sickness come collectively — what we name the “fantasy of a tortured artist” can contribute to the enchantment and endurance of left-handed creativity fantasy,” Casasant mentioned.
Lastly, based on Casasanto, city legends are statistical cherry choosing case research, steadily cited in small numbers of research that comprise small or biased samples.
“The artwork and music that target these two inventive professions the place left-handedness is overrepresented, are really frequent and engaging statistical errors that people at all times make,” Casasant mentioned. “Individuals should be extra inventive with all these left-handed artists and musicians. However with a good investigation of many occupations, this obvious left-handed benefit disappears.”