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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 right hemisphere, on the other hand, has a broad and flexible attention that is open to whatever possibilities come along, and it sees things in their wider context, appreciates the implicit, and favours "both/and" (integration, holism). The right hemisphere has a better appreciation of itself and the left, than the left has of the right.
The Bergen Left–Right Discrimination (BLRD) test is designed to measure individual performance in LRD accuracy. However, this test has been criticized for incorporating tasks that require the use of additional strategies, such as mental rotation (MR). [10]
The explanations generated by the left-brain interpreter may be balanced by right brain systems which follow the constraints of reality to a closer degree. [ 4 ] [ 11 ] The suppression of the right hemisphere by electroconvulsive therapy leaves patients inclined to accept conclusions that are absurd but based on strictly-true logic.
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.
A 2022 meta-analysis of cognitive studies found a "weak average association" between cognitive abilities and economic conservatism. It found support for two contrary effects in this relationship - the self-interest of economically higher status individuals supporting a relationship between economic conservatism and cognitive ability, and the need for certainty, which operated to diminish that ...
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.
Bicameral mentality is a hypothesis introduced by Julian Jaynes who argued human ancestors as late as the ancient Greeks did not consider emotions and desires as stemming from their own minds but as the consequences of actions of gods external to themselves.