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In Tan's autopsy, Broca determined he had a syphilitic lesion in the left cerebral hemisphere. This left frontal lobe brain area (Broca's area) is an important speech production region. The motor aspects of speech production deficits caused by damage to Broca's area are known as expressive aphasia. In clinical assessment of this type of aphasia ...
The hypothesis posits there are sex differences in cognitive abilities by relating them to lateralisation of brain function. [1] The maturation rates of cerebral hemispheres differ and are mediated by circuiting testosterone levels, which are substantially influenced during the foetal and post-puberty development stages. [1]
Each cerebral hemisphere has an outer layer of cerebral cortex which is of grey matter and in the interior of the cerebral hemispheres is an inner layer or core of white matter known as the centrum semiovale. [3] The interior portion of the hemispheres of the cerebrum includes the lateral ventricles, the basal ganglia, and the white matter. [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 cognitive theory of distributed processing suggests that brain areas are highly interconnected and process information in a distributed manner. A remarkable precedent of this orientation is the research of Justo Gonzalo on brain dynamics [ 35 ] where several phenomena that he observed could not be explained by the traditional theory of ...
The left cerebral hemisphere of the brain. The left-brain interpreter is a neuropsychological concept developed by the psychologist Michael S. Gazzaniga and the neuroscientist Joseph E. LeDoux . [ 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 ...
The human brain's left hemisphere is primarily responsible for interpreting the meaning of the sensory input it receives from both fields; however, the left hemisphere has no knowledge of the winter house. Because it has no knowledge of the winter house, it must invent a logical reason for why the shovel was chosen.
In split-brain patients, the corpus callosum is cut, severing the main structure for communication between the two hemispheres. The first modern split-brain patient was a war veteran known as Patient W.J., [10] whose case contributed to further understanding of asymmetry. Brain asymmetry is not unique to humans.