Many clinicians and researchers have responded enthusiastically to recent articles in which I described a general neurobiologic learning theory of personality and its relationship to anxiety and mood disorders,1,2 alcoholism,3 and personality disorders.4 I have particularly appreciated readers who called my attention to parallel findings in their own work or that of others whom I might have otherwise overlooked. All observers of human personality share a common focus, so it is comforting that our descriptions sometimes agree with one another at least partially. The similarities in the descriptions of human motivation and personality by pioneers such as the experimental psychologist Wundt, the neurophysiologist Pavlov, the psychoanalyst Freud, the neuropsychiatrist Sjobring, and many later workers, such as Zuckerman and myself, suggest some fundamental validity to inferences drawn from widely different perspectives.
Zuckerman has made many important observations about sensationseeking behavior that I have cited and discussed in