We resist forces like the pull of gravity by constructing an equal and opposite force of levity, that raises our body-image homunculus upward against the downward pull while pushing downward against the ground. This symmetrically opposed motor force field is a spatial thought that appears under voluntary control, and it acts on the body image as a motor command. And as the motor force field moves the body-image homunculus...

© 2003 Steven Lehar, Manchester, MA USA. All rights reserved.