It was my original intention to write a reasonably advanced psycho physiology text that would go beyond cardiovascular activity. This I believed would require a collaborative effort since my expertise outside of cardiovascular psychophysiology is too limited. After some initial limited efforts to organize such a venture, it became apparent that a text of this nature was not feasible. Thus, the effort was dropped. I did, however, receive encouragement to write the present monograph, which is more a personalized document than a text. As will become apparent, this monograph relies heavily on...