Science Fair Project Encyclopedia
The arcuate fasciculus (literally the 'curved bundle') is the neural pathway connecting the posterior part of the temporoparietal junction with the frontal cortex in the brain. In the cerebral hemisphere specialised for language, this pathway is thought to connect Broca's area to Wernicke's area.
It is thought to be important in the connecting areas of the brain involved in the generation and understanding of language. Damage to this pathway can cause a form of aphasia known as conduction aphasia, where auditory comprehension and speech articulation are preserved, but people find it difficult to repeat heard speech.
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