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The lateralization of brain function (or hemispheric dominance [1] [2] / lateralization [3] [4]) is the tendency for some neural functions or cognitive processes to be specialized to one side of the brain or the other.
Lateralization of function and asymmetry in the human brain continues to propel a popular branch of neuroscientific and psychological inquiry. Technological advancements for brain mapping have enabled researchers to see more parts of the brain more clearly, which has illuminated previously undetected lateralization differences that occur during ...
Emotional lateralization is the asymmetrical representation of emotional control and processing in the brain. There is evidence for the lateralization of other brain functions as well. Emotions are complex and involve a variety of physical and cognitive responses, many of which are not well understood.
It has been shown that cerebral lateralization is a widespread phenomenon in the animal kingdom. [7] Functional and structural differences between left and right brain hemispheres can be found in many other vertebrates and also in invertebrates.
The Geschwind–Galaburda hypothesis has garnered empirical support from a number of studies. For instance, Witelson et al. discovered that Einstein’s brain exhibited an atypical pattern of cerebral lateralisation, which supports the hypothesis that brain lateralisation is related to cognitive abilities. [4]
Contralateral brain. The contralateral organization of the forebrain (Latin: contra‚ against; latus‚ side; lateral‚ sided) is the property that the hemispheres of the cerebrum and the thalamus represent mainly the contralateral side of the body. Consequently, the left side of the forebrain mostly represents the right side of the body, and ...
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]
Currently, there are two major theories of the brain's cognitive function. The first is the theory of modularity. Stemming from phrenology, this theory supports functional specialization, suggesting the brain has different modules that are domain specific in function.