This monograph is the result of a course given to graduate students and to the faculty of the Dept. of Medical Physics and Biophysics of Nijmegen University, Nijmegen, The Netherlands, in the fall of 1984 and 1985. The course was intended to put together experi- ment, theory, and analysis methods in order to study neural in- teraction and coding in the brain. The following pages give a survey of neural interaction and its experimental substrate: cor-...