Pages

September 28, 2010

Magnetic Pulses to the brain could make you grow up left handed

Ad Support : Nano Technology   Netbook    Technology News    Computer Software

PNAS - Transcranial magnetic stimulation of posterior parietal cortex affects decisions of hand choice

Deciding which hand to use for an action is one of the most frequent decisions people make in everyday behavior. Using a speeded reaching task, we provide evidence that hand choice entails a competitive decision process between simultaneously activated action plans for each hand. We then show that single-pulse transcranial magnetic stimulation to the left posterior parietal cortex biases this competitive process, leading to an increase in ipsilateral, left hand reaches. Stimulation of the right posterior parietal cortex did not alter hand choice, suggesting a hemispheric asymmetry in the representations of reach plans. These results are unique in providing causal evidence that the posterior parietal cortex is involved in decisions of hand choice.




If you liked this article, please give it a quick review on Reddit, or StumbleUpon. Thanks

Supporting Advertising

Business Success
   How to Make Money    
Executive Jobs    
Paid Surveys


Thank You
blog comments powered by Disqus