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Still, Broca's area frequently emerges in functional imaging studies of sentence processing. [36] However, it also becomes activated in word-level tasks. [37] This suggests that Broca's area is not dedicated to sentence processing alone, but supports a function common to both. In fact, Broca's area can show activation in such non-linguistic ...
Broca's Area Broca's area is located in the left hemisphere prefrontal cortex above the cingulate gyrus in the third frontal convolution. [16] Broca's area was discovered by Paul Broca in 1865. This area handles speech production.
Lesions to Broca's Area result primarily in disruptions to speech production. Damage to Wernicke's area, located in the lower part of the temporal lobe, mainly leads to speech reception disruptions. This area was named for German doctor Carl Wernicke, who discovered it in 1874 in the course of his research into aphasias (loss of ability to speak).
Most language processing takes place in Broca's area usually in the left hemisphere. [9] Damage to this region often results in a type of non-fluent aphasia known as Broca's aphasia. Broca's area is made up of the pars opercularis and the pars triangularis, both of which contribute to verbal fluency, but each has its own specific contribution.
In neuroanatomy, the arcuate fasciculus (AF; from Latin 'curved bundle') is a bundle of axons that generally connects Broca's area and Wernicke's area in the brain. It is an association fiber tract connecting caudal temporal lobe and inferior frontal lobe .
The diagonal band of Broca interconnects the amygdala and the septal area. It is one of the olfactory structures. It is situated upon the inferior aspect of the brain. [1] It forms the medial margin of the anterior perforated substance. [2] It was described by the French neuroanatomist Paul Broca. [3]
Damage to the dominant hemisphere (usually the left hemisphere) results in aphasia (i.e. Broca's area or Wernicke's) Damage to the non-dominant hemisphere (usually the right hemisphere) results in contralateral neglect syndrome, inaccurate localization in the half field, impaired ability to judge distance (nondominant parietal lobe).
Brodmann area 22 is a Brodmann's area that is cytoarchitecturally located in the posterior superior temporal gyrus of the brain. [1] In the left cerebral hemisphere , it is one portion of Wernicke's area . [ 1 ]