Direct versus Indirect Realism: A Neurophilosophical Debate on Consciousness
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John Smythies is a neuropsychiatrist and neuroscientist and has made significant contributions to both these disciplines. Together with Humphrey Osmond he developed the first biochemical theory of schizophreniaโthe transmethylation hypothesis. This has recently come back into focus following the finding that DNA methylation is abnormal in schizophrenia. He has made extensive contributions to knowledge in a number of fields including the neuropharmacology of psychedelic drugs; the functional neuroanatomy of synapses with particular regard to the role of synaptic plasticity, endocytosis and redox factors ; the role in the brain of orthoquinone metabolites of catecholamines; and, in particular, theories of brain-consciousness relations. More recently he has worked on epigenetic processes in information processing in the brain, and the functional neuroanatomy of the claustrum. Smythies has served as President of the International Society of Psychoneuroendocrinology from 1970-1974, Consultant to the World Health Organization from 1963-1968, and Editor of the International Review of Neurobiology from 1958-1991. He was elected a member of the Athenaeum in 1968. He has published over 240 scientific papers and sixteen books. Smythies has held positions as the Charles Byron Ireland Professor of Psychiatric Research at the University of Alabama Medical Center at Birmingham, Visiting Scholar at the Center for Brain and Cognition, University of California San Diego, and Senior Research Fellow at the Institute of Neurology, University College London.
Robert French is a philosopher who specializes in Philosophy of Science, Metaphysics, Philosophy of Mind, and Philosophy of Perception Epistemology. He is the author of The Geometry of Vision and the Mind Body Problem (Peter Lang, 1987) and Ethical Decision-Making from a Consequentialist Perspective (Edward Mellen Press, 2008). He is an instructor in philosophy at Oakland Community College in Waterford, Michigan..
