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The amygdala plays a key role in emotional processing especially fear, and amygdala function appears to be emotionally lateralized. When people are shown fearful faces the left amygdala and left periamygdaloid cortex increase in activation. There also appears to be a greater increase in neural activity in the left amygdala corresponding to an ...
In a review, it was associated to the "impulsive behaviour", handedness, mostly left and/or crossed lateralities, and above of all, the eyedness or eye-laterality as a key to detect and to relate brain lateralization which that behavioural disorder when it is crossed-eye-hand laterality [23] which has also been related in a work, reporting a ...
A 2009 review [44] of theories of emotion identifies and contrasts fundamental emotions according to three key criteria for mental experiences that: have a strongly motivating subjective quality like pleasure or pain; are a response to some event or object that is either real or imagined; motivate particular kinds of behavior.
Gerstmann syndrome is a neurological disorder that is characterized by a constellation of symptoms [1] that suggests the presence of a lesion usually near the junction of the temporal and parietal lobes at or near the angular gyrus. Gerstmann syndrome is typically associated with damage to the inferior parietal lobule of the dominant hemisphere ...
Many tests exist for synesthesia. Each common type has a specific test. When testing for grapheme–color synesthesia, a visual test is given. The person is shown a picture that includes black letters and numbers. A synesthete will associate the letters and numbers with a specific color. An auditory test is another way to test for synesthesia.
Keanu Reeves signs a fan's hat with his left hand. Jeff Gritchen/Digital First Media/Orange County Register via Getty Images About 10% of people in the world are left-handed .
A schoolgirl writing with her left hand. In human biology, handedness is an individual's preferential use of one hand, known as the dominant hand, due to it being stronger, faster or more dextrous. The other hand, comparatively often the weaker, less dextrous or simply less subjectively preferred, is called the non-dominant hand.
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