Perhaps gesture and speech are somehow wired together in the brain. What is certain however is that in US brains everything is wired to politics come election time.

Kelly used an electroencephalograph (EEG) machine to measure the electrical brain activity of volunteers


Even a nice bit of gesture research, by Colgate University neuroscientist Spencer Kelly, is destined to be used in (discussions of) political campaigning.

Volunteers heard the word 'tall' while watching a video of a hand moving towards a short glass. Kelly observed the N400 effect during these gesture mismatches. image: Colgate University


[tags]N400 effect, neuroscience, co-speech gestures[/tags]