About the Authors

Keith Ansell Pearson is Professor of Philosophy at the University of Warwick. His most recent books include Viroid Life: Perspectives on Nietzsche and the Transhuman Condition (Routledge, 1997) and Germinal Life: The Difference and Repetition of Deleuze (Routledge, 1999).

George Graham is Professor of Philosophy and Professor of Psychology at the University of Alabama at Birmingham, where he chairs the philosophy department. He is the coeditor of A Companion to Cognitive Science (Blackwell, 1998) and the coauthor of When Self-Consciousness Breaks (MIT Press, forthcoming).

Steven D. Hales is Associate Professor of Philosophy at Bloomsburg University, 218 Bakeless Center for the Humanities, 400 E. Second Street, Bloomsburg, PA 17815-1301, and Rex Welshon is Assistant Professor of Philosophy, University of Colorado at Colorado Springs, CO 80933. They are the coauthors of Nietzsche's Perspectivism (University of Illinois Press, forthcoming).

Melvin R. Lansky, M.D., is Dean, Los Angeles Psychoanalytic Institute, where he is also a training and supervising analyst. He is Clinical Professor of Psychiatry and Biobehavioral Sciences at the UCLA School of Medicine and the author of over 100 publications, including six books. He has studied philosophy at the University of California, Berkeley, and at Yale. For many years, he co-led a seminar on philosophy and psychoanalysis at the Los Angeles Psychoanalytic Institute.

Ronald Lehrer, Ph.D. is Associate Professor of Education and Psychology and director of graduate and undergraduate programs in special education at Touro College. He is the author of Nietzsche's Presence in Freud's Life and Thought (SUNY Press, 1995) and an editor of and contributor to Nietzsche and Depth Psychology, ed. Golomb, Santaniello, and Lehrer (SUNY Press, 1999). His papers have appeared in the AAPP Newsletter, Psychoanalytic Review, and Psychoanalytic Dialogues. His entry on Nietzsche will appear in the Freud Encyclopedia, ed. Edward Erwin (Garland Publishing, forthcoming). He has a private psychotherapy practice in Brooklyn, New York.

Paul B. Lieberman, M.D., is Associate Medical Director at Butler Hospital, 345 Blackstone Boulevard, Providence, Rhode Island 02906. His research interests include applications of ordinary language philosophy in psychiatry, as well as the nature and outcomes of psychosocial treatments.

Chris Mace is Senior Lecturer in Psychotherapy at the University of Warwick, Coventry, U.K., and Consultant Psychotherapist to the South Warwickshire Combined Care NHS Trust. He has active interests in psychotherapy research, training, and therapeutic philosophy. His publications include The Art and Science of Assessment in Psychotherapy (Routledge, 1995) and Heart and Soul: The Therapeutic Face of Philosophy (Routledge, 1999).

Georg Northoff, M.D., Ph.D., is an Associate Professor at the Department of Psychiatry at the University of Magdeburg, Germany. His main research interests are psychomotor phenomena; in particular, catatonia, motor consciousness, functional neuroimaging, and neurophilosophy. These interests are reflected in his recent publications: G. Northoff et al., "Functional dissociation between medial and lateral prefrontal cortical spatiotemporal activation in negative and positive emotions: A combined FMRI/MEG study," Cerebral Cortex (1999), in press, and G. Northoff, "Are Q-memories empirically realistic?: A neurophilosophical approach," Philosophical Psychology (1999), in press.

Sean A. Spence studied medicine at Guy's Hospital, London, also acquiring a degree in psychology. After working in hospital specialties and general practice, he entered psychiatry. After clinical posts in London, he performed brain imaging research on the MRC Cyclotron Unit, Hammersmith Hospital, and is now at the Functional Neuroimaging Laboratory of Cornell University, New York. His publications include works on schizophrenia, volition, and the implications of neuropsychiatric disease for notions of free will.

Dan J. Stein is Director of the MRC Research Unit on Anxiety Disorders and Associate Professor of Psychiatry at the University of Stellenbosch in Cape Town, South Africa. He did his undergraduate medical training at the University of Cape Town and his postgraduate work in psychiatry at Columbia University and the New York State Psychiatric Institute. He has published on various aspects of the anxiety disorders and has edited or coedited Cognitive Science and Clinical Disorders (Academic Press, 1992), Cognitive Science and the Unconscious (American Psychiatric Press, 1997), and Neural Networks and Psychopathology (Cambridge University Press, 1998).

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