vi Contributors 



Warren S. McCulloch, M.D.: Head, Neurophysiology Group, 

 Division of Sponsored Research, Research Laboratory of Elec- 

 tronics, Massachusetts Institute of Technology, Cambridge, 

 Massachusetts. 



James G. Miller, M.D.: Director, Mental Health Research In- 

 stitute, The University of Michigan, Ann Arbor, Michigan. 



Frank Morrell, M.D.: Professor of Neurology, Stanford University 

 School of Medicine, Palo Alto, California. 



Bernard C. Patten, Ph.D.: Associate Professor of Marine Science, 

 Virginia Institute of Marine Science, College of William and 

 Mary, Gloucester Point, Virginia. 



Bernard Saltzberg: Senior Scientist, The Bissett-Berman Cor- 

 poration, Santa Monica, California. 



