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, 318-321.

Ida, Y. (1988). The manner of clasping the hands and individual differences in perceptual asymmetries and cognitive modes. Psychologia 31, 128-135.

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, 1000-1010.

And the case for the right brain-left brain idea being a myth is here:
http://psychology.about.com/od/cognitivepsychology/a/left-brain-right-brain.htm

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.