This is an excerpt from

"Angel Tech"
A Modern Shaman's Guide to
Reality Selection
by Antero Alli

"...Angel Tech is a code name for
the process of stabilizing the
contact between right (ANGEL)
and left (TECH) hemispheres of
the brain.  The connecting
ganglia between these
hemispheres is called the corpus
callosum which may function as
if it were a reality selection
switch.  It 'has the ability' to
choose between left (linear) and
right (intuitive) hemispheres the
appropriate mode of Intelligence
for the situation at hand..."