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The best example of an established lateralization is that of Broca's and Wernicke's areas, where both are often found exclusively on the left hemisphere. Function lateralization, such as semantics, intonation, accentuation, and prosody, has since been called into question and largely been found to have a neuronal basis in both hemispheres. [6]
a) Left hemisphere primarily process "positive" emotions and right hemisphere primarily process "negative" emotions. A large portion of regions primarily in the right hemisphere are activated during aversive classical conditioning .
The left hemisphere responds more to temporal acoustic information whereas the right hemisphere responds to the frequency of auditory information. [17] Also, there is lateralization in the perception of speech which is left hemisphere dominant for pre-attentive processing.
[1] [2] It refers to the construction of explanations by the left brain hemisphere in order to make sense of the world by reconciling new information with what was known before. [3] The left-brain interpreter attempts to rationalize, reason and generalize new information it receives in order to relate the past to the present. [4]
Studies suggest that eye gaze reflects the activation of cerebral hemisphere contralateral to the direction. Thus, when asking questions that require spatial thinking, individuals tend to move their eyes to the left, whereas when asked questions that require verbal thinking, individuals usually move their eyes to the right. [18]
In addition to this lateralization of some functions, the low-level representations also tend to represent the contralateral side of the body. The best example of an established lateralization is that of Broca's and Wernicke's Areas where both are often found exclusively on the left hemisphere. These areas frequently correspond to handedness ...
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The left hemisphere is associated with language and calculations, while the right hemisphere is more closely associated with visual-spatial recognition and facial recognition. This lateralization of brain function results in some specialized regions being only present in a certain hemisphere or being dominant in one hemisphere versus the other.