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Latest Laterality Stories

Marsupials Handedness Depends On Gender
2013-03-06 10:50:43

BioMed Central Boys are right-handed, girls are left...Well at least this is true for sugar gliders (Petaurus breviceps) and grey short-tailed opossums (Monodelphis domestica), finds an article in BioMed Central's open access journal BMC Evolutionary Biology, and shows that handedness in marsupials is dependent on gender. This preference of one hand over another has developed despite the absence of a corpus collosum, the part of the brain which in placental mammals allows one half of the...

2012-02-22 15:00:00

A new study from Henry Ford Hospital in Detroit finds a strong correlation between brain dominance and the ear used to listen to a cell phone, with more than 70 percent of participants holding their cell phone up to the ear on the same side as their dominant hand. Detroit, Michigan (PRWEB) February 22, 2012 DETROIT - If you´re a left brain thinker, chances are you use your right hand to hold your cell phone up to your right ear, according to a new study from Henry Ford Hospital in...

2012-02-09 21:23:22

When you see a picture of a hand, how do you know whether it´s a right or left hand? This “hand laterality” problem may seem obscure, but it reveals a lot about how the brain sorts out confusing perceptions. Now, a study which will be published in a forthcoming issue of Psychological Science, a journal published by the Association for Psychological Science, challenges the long-held consensus about how we solve this problem. “For decades, the theory was that you use your...

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2011-04-20 09:16:43

Right-handedness is a distinctively human characteristic, with right-handers outnumbering lefties nine-to-one. But how far back does right-handedness reach in the human story? Researchers have tried to determine the answer by looking at ancient tools, prehistoric art and human bones, but the results have not been definitive. Now, David Frayer, professor of anthropology at the University of Kansas, has used markings on fossilized front teeth to show that right-handedness goes back more than...

2010-06-23 01:08:34

Gay men can recall familiar faces faster and more accurately than their heterosexual counterparts because, like women, they use both sides of their brains, according to a new study by York University researchers. The study, published in the journal, Laterality: Asymmetries of Body, Brain and Cognition, examined the influence of gender, sexual orientation and whether we're right-or-left-handed on our ability to recognize faces. It found that when memorizing and discriminating between faces,...


Word of the Day
kenspeckle
  • Having so marked an appearance as easily to be recognized.
This word may come from the Swedish 'kanspak,' quick at recognizing persons or things, or else from confusion with 'conspicuous.'