“When the brain is whole, the unified consciousness of the left and right hemispheres adds up to more than the individual properties of the separate hemispheres.”

New Mindset on Consciousness (1987)

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Roger Wolcott Sperry32

American neuroscientist 1913–1994

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“There is no doubt that right-hemisphere intuitive thinking may perceive patterns and connections too difficult for the left hemisphere; but it may also detect patterns where none exist. Skeptical and critical thinking is not a hallmark of the right hemisphere. And unalloyed right-hemisphere doctrines, particularly when they are invented during new and trying circumstances, may be erroneous or paranoid.”

Carl Sagan (1934–1996) American astrophysicist, cosmologist, author and science educator

Source: The Dragons of Eden (1977), Chapter 7, “Lovers and Madmen” (p. 189)

“With few exceptions, the bulk of the collected lesion evidence up through the 1950s into the early '60s converged to support the picture of a leading, more highly evolved and intellectual left hemisphere and a relatively retarded right hemisphere that by contrast, in the typical righthander brain, is not only mute and agraphic but also dyslexic, word-deaf and apraxic, and lacking generally in higher cognitive function.”

Roger Wolcott Sperry (1913–1994) American neuroscientist

Nobel lecture (1981)

“The next phase of the work was when Joseph LeDoux and I came up with the idea of the interpreter. Twenty-five years into studying these patients we finally got around to asking the patients, "Why did you do that?" after they had a response with the left hand that was being governed by the separated, silent, speechless right hemisphere. We began to understand that the left hemisphere "made up" a story as to why the patient did what he/she did, and in that moment we began to see the cardinal feature of the left hemisphere: the ability to interpret actions generated outside its realm of conscious awareness.”

Michael S. Gazzaniga (1939) American neuroscientist

“Cultural dominance by either the left or the right hemisphere is largely dependent upon environmental factors.”

Marshall McLuhan (1911–1980) Canadian educator, philosopher, and scholar-- a professor of English literature, a literary critic, and a …

Source: 1980s, Laws of Media: The New Science (with Eric McLuhan) (1988), p. 72

“You', the ego, live in your left brain. When we say that man is the only creature who spends 99 per cent of his time inside his own head, we mean, in fact, inside his left cerebral hemisphere. And in the basement of the left hemisphere is the library full of filing cabinets -- the stuffy room that we mistake for reality.”

Colin Wilson (1931–2013) author

Source: Access to Inner Worlds (1990), p. 9

“There is no way to tell whether the patterns extracted by the right hemisphere are real or imagined without subjecting them to left-hemisphere scrutiny. On the other hand, mere critical thinking, without creative and intuitive insights, without the search for new patterns, is sterile and doomed. To solve complex problems in changing circumstances requires the activity of both cerebral hemispheres: the path to the future lies through the corpus callosum.”

Carl Sagan (1934–1996) American astrophysicist, cosmologist, author and science educator

Source: The Dragons of Eden (1977), Chapter 7, “Lovers and Madmen” (pp. 190-191)

“Sooner or later, if human society is to evolve—indeed, if it is to survive—we must match our lives to our new knowledge. For too long, the Two Cultures—the esthetic, feeling humanities and cool, analytical science—have functioned independently, like the right and left hemispheres of a split-brain patient. We have been the victims of our collective divided consciousness.”

Marilyn Ferguson (1938–2008) American writer

The Aquarian Conspiracy (1980), Chapter Six, Liberating Knowledge: News from the Frontiers of Science

“David Galin, among other researchers, has pointed out that teachers have three main tasks: first, to train both hemispheres — not only the verbal, symbolic, logical left hemisphere, which has always been trained in the traditional education, but also the relational, holistic right hemisphere, which is largely neglected in today's schools; second, to train students to use the cognitive style suited to the tasks at hand; and third, to train students to be able to bring both styles — both hemispheres — to bear on a problem in an integrated manner.
When teachers can pair the complementary modes or fit one mode to the appropriate task, teaching and learning will become a much more precise process. Ultimately, the goal will be to develop both halves of the brain. Both modes are necessary for full human functioning and both are necessary for creative work of all kinds, whether writing or painting, developing a new theory in physics, or dealing with environmental problems.”

Betty Edwards (1926) American artist

Source: The New Drawing on the Right Side of the Brain (1979), p.196

“Give her the continent and she wanted the hemisphere.”

Anthony Kiedis book Scar Tissue

Source: Scar Tissue

“When the brain is whole, the unified consciousness of the left and right hemispheres adds up to more than the individual properties of the separate hemispheres.”

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Roger Wolcott Sperry32

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