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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-brain interpreter attempts to rationalize, reason and generalize new information it receives in order to relate the past to the present. [4] Left-brain interpretation is a case of the lateralization of brain function that applies to "explanation generation" rather than other lateralized activities. [5]
Lesions rarely are localized and can affect large areas of the brain. Processing in the brain is generally not localized and requires many areas of the brain to process. Furthermore, lesioning may interfere with pathways that span the lesion site. Thus, lesions are not always a good way to determine what specific brain areas do.
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.
In her book, Personality Type: An Owners Manual, Thomson advances the hypothesis of a modular relationship between the cognitive functions paralleling left-right brain lateralization. In this approach, the judging functions are in the front-left and back-right brains, and the perception functions are in the back-left and front-right brains.
Protein buildups may be predictive of dementia severity, but personality traits may say more about one's cognitive resilience–which denotes one's ability to counter act the effects of ...
People can be tested based on their activation of either systems by using an EEG. These tests will conclude whether a person has a more active BIS or BAS. The two systems are independent of each other. [13] These tests can determine different things about a person's personality. They can determine if a person has more positive or negative moods ...
Chemistry, not moral failing, accounts for the brain’s unwinding. In the laboratories that study drug addiction, researchers have found that the brain becomes conditioned by the repeated dopamine rush caused by heroin. “The brain is not designed to handle it,” said Dr. Ruben Baler, a scientist with the National Institute on Drug Abuse.