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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.
In human neuroanatomy, brain asymmetry can refer to at least two quite distinct findings: Neuroanatomical differences between the left and right sides of the brain; Lateralized functional differences: lateralization of brain function; A stereotypical image of brain lateralisation - demonstrated to be false in neuroscientific research. [1]
The drug is injected into one hemisphere at a time through the right or left internal carotid artery. If the right carotid is injected, the right side of the brain is inhibited and cannot communicate with the left side. The effect shuts down any language and/or memory function in that hemisphere in order to evaluate the other hemisphere.
The reasons for this are not fully understood, but it is thought that because the left cerebral hemisphere of the brain controls the right side of the body, the right side is generally stronger; it is suggested that the left cerebral hemisphere is dominant over the right in most humans because in 90–92% of all humans, the left hemisphere is ...
These patients tend to neglect the opposite side of their lesion, based on the midline of the body, head, or retina. [20] For example, in a gap detection test, subjects with egocentric hemispatial neglect on the right side often make errors on the far right side of the page, as they are neglecting the space in their right visual field. [21]
Broad generalizations are often made in popular psychology about certain functions (e.g. logic, creativity) being lateralized, that is, located in the right or left side of the brain. These claims are often inaccurate, as most brain functions are actually distributed across both hemispheres.
Lighter Side. Politics. Science & Tech ... there are GLP-1 receptors in brain regions that regulate impulse control and reward. ... The study wasn’t designed to test whether different doses of ...
Different sides of the brain specialize in different functions or processes. The same effect occurs for visual pairs and reasoning. For example, a patient with split brain is shown a picture of a chicken foot and a snowy field in separate visual fields and asked to choose from a list of words the best association with the pictures.