Julian Jaynes

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Julian Jaynes (February 27, 1920 – November 21, 1997) was an American psychologist, best known for his book The Origin of Consciousness in the Breakdown of the Bicameral Mind (1976), in which he argued that ancient peoples were not conscious.

Jaynes defines "consciousness" more narrowly than most philosophers. Jaynes' definition of consciousness is synonymous with what philosophers call "meta-consciousness" or "meta-awareness" i.e. awareness of awareness, thoughts about thinking, desires about desires, beliefs about beliefs. This form of reflection is also distinct from the kinds of "deliberations" seen in other higher animals such as crows insofar as Jaynesian consciousness is dependent on linguistic cognition.

Jaynes wrote that ancient humans before roughly 1200 BC. were not reflectively meta-conscious and operated by means of automatic, nonconscious habit-schemas. Instead of having meta-consciousness, these humans were constituted by what Jaynes calls the "bicameral mind". For bicameral humans, when habit did not suffice to handle novel stimuli and stress rose at the moment of decision, neural activity in the "dominant" (left) hemisphere was modulated by auditory verbal hallucinations originating in the so-called "silent" (right) hemisphere (particularly the right temporal cortex), which were heard as the voice of a chieftain or god and immediately obeyed.

Jaynes wrote, "[For bicameral humans], volition came as a voice that was in the nature of a neurological command, in which the command and the action were not separated, in which to hear was to obey."[citation needed] Jaynes argued that the change from bicamerality to consciousness (linguistic meta-cognition) occurred over a period of centuries beginning around 1200 BC. The selection pressure for Jaynesian consciousness as a means for cognitive control is due, in part, to chaotic social disorganizations and the development of new methods of behavioral control such as writing.



Jaynes was born in West Newton, Massachusetts, son of Julian Clifford Jaynes (1854–1922), a Unitarian minister, and Clara Bullard Jaynes. He attended Harvard University, was an undergraduate at McGill University and afterwards received master's and doctorate degrees from Yale University. He was mentored by Frank A. Beach and was a close friend of Edwin G. Boring. During this time period Jaynes made significant contributions in the fields of animal behavior and ethology. After Yale, Jaynes spent several years in England working as an actor and playwright. Jaynes later returned to the United States, and lectured in psychology at Princeton University from 1966 to 1990, teaching a popular class on consciousness for much of that time. He was in high demand as a lecturer, and was frequently invited to lecture at conferences and as a guest lecturer at other universities, including Harvard, Columbia, Cornell, Johns Hopkins, Rutgers, Dalhousie, Wellesley, Florida State, the Universities of New Hampshire, Pennsylvania, Prince Edward Island, and Massachusetts at Amherst and Boston Harbor. In 1984 he was invited to give the plenary lecture at the Wittgenstein Symposium in Kirchburg, Austria. He gave six major lectures in 1985 and nine in 1986. He was awarded an honorary Ph.D. by Rhode Island College in 1979 and another from Elizabethtown College in 1985.[1] He died at the Queen Elizabeth Hospital in Charlottetown, Prince Edward Island on November 21, 1997

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