Buy the book (UK): http://goo.gl/9JaJx3
Buy the book (USA): http://goo.gl/0lGtDR
Animations by Cognitive http://www.wearecognitive.com
Richard Wiseman is based at the University of Hertfordshire http://www.herts.ac.uk

Music: https://cameronwattmusic.wordpress.com

The left and right brained idea is controversial. The research described in the video is here:

Ida, Y. (1987). The manner of hand clasping and the individual differences in hemispheric asymmetries. Japanese Journal of Psychology, 58, 318321.

Ida, Y. (1988). The manner of clasping the hands and individual differences in perceptual asymmetries and cognitive modes. Psychologia 31, 128135.

Mohr, C., Thut, G., Landis, T., & Brugger, P. (2003). Hands, arms, and minds: Interactions between posture and thought. Journal of Clinical and Experimental
Neuropsychology, 25, 10001010.

And the case for the right brainleft brain idea being a myth is here:
http://psychology.about.com/od/cognit...

The presenter and producers not responsible for any adverse effects resulting from the use of the information presented in this video and this information is not intended to be a substitute for consulting with a healthcare professional.