More good stuff from Joe Grohen's "The Topic is Tango". He ran across it thanks to Mash on Tango-L.
Here's the synopis of the article "The Dancing Brain" on The Dana Foundation's website:
How can watching one dance performance, whether classical ballet or the newest modern choreography, be so engaging—even thrilling— and watching another leave us indifferent? Dutch choreographer and researcher Ivar Hagendoorn argues that contemporary neuroscience points at the answer. The limbs move, but it is the brain that dances.
Here's the link.