Hear what the brain scanner sees. Data from
functional magnetic resonance imaging (fMRI) are converted to
musical sound. (This is the short version; See the 6-part "Music of
the Hemispheres" for more.) Data are preprocessed into "independent
components," regions of the brain which activate or deactivate in
unison. Each component is assigned a tone, and the tone gets louder
or softer in proportion to the degree of activity in the
corresponding brain region. So, a melody is the moving center of
metabolic energy, dancing all over the brain
