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The 608-page book is about the specialist hemispheric functioning of the brain. The differing world views of the right and left brain (the "Master" and "Emissary" in the title, respectively) have, according to the author, shaped Western culture since the time of the ancient Greek philosopher Plato, and the growing conflict between these views has implications for the way the modern world is ...
The concept of "right-brained" or "left-brained" individuals is considered a widespread myth which oversimplifies the true nature of the brain's cerebral hemispheres (for a recent counter position, though, see below). Proof leading to the "mythbuster" of the left-/right-brained concept is increasing as more and more studies are brought to light.
The left and right hemispheres are associated with different functions and specialize in interpreting the same data in different ways, referred to as lateralization of the brain. The left hemisphere is associated with language and calculations, while the right hemisphere is more closely associated with visual-spatial recognition and facial ...
[n 10] The right middle temporal gyrus, right brainstem, left hippocampus, right cerebellum, right fuisform gyrus, and left lingual gyrus were also activated during fearful stimuli. Activation of multiple brain regions both indicates that emotions are processed in many parts of the brain and that emotions are complex.
Superior-lateral view of the brain, showing left and right hemispheres. McGilchrist's 2009 work, The Master and His Emissary has sold over 200,000 copies worldwide. [16] In very basic terms, it sought to consolidate research in brain lateralisation and to insist on the individual and cultural importance of the bi-hemisphere structure of the brain.
Results showed differences in neural activity patterns in the right cerebellum, right superior temporal gyrus, and left temporoparietal junction during the encoding phase, and indicated differential neural activity in the inferior parietal, right superior temporal, and right cerebellum regions in the working memory tests. [13]
The left brain sees the flower while the right brain is simultaneously viewing the rabbit. When the patients were asked what they saw, they said they only saw the flower and did not see the rabbit. The flower is in the right visual field and the left hemisphere can only see the flower.
Citing Gazzaniga, Jaynes inferred that these "voices" came from the right brain counterparts of the left brain language centres, specifically, the counterparts to Wernicke's area and Broca's area. These regions are somewhat dormant in the right brains of most modern humans, but Jaynes noted that some studies show that auditory hallucinations ...