A deficit in language in which comprehension of language is preserved, but the individual's speech is defective in ways resembling Wernicke's aphasia: fluent, properly articulated, but largely nonsensical. The patient is aware of the problem, but is unable to correct his or her own erroneous speech. This syndrome occurs when the anterior and posterior speech areas are both intact but are disconnected from each other because of a lesion in the arcuate fasciculus on the left side.
Aphasia caused by damage to the arcuate fasciculus ( Ch. 27).
a type of aphasia that may be the result of a lesion to the arcuate fasciculus may result from anterior cerebral artery blockages
aphasia in which the lesion is assumed to be in the association tracts connecting the various language centers in the brain; patient's have difficulty repeating a sentence just heard
Impaired ability to repeat heard language in the absence of impairment in language comprehension and spontaneous language production.
fluent speech, good understanding and articulation, poor repetition, poor naming, good reading comprehension but poor oral reading, poor writing, paraphasias
Conduction aphasia, also called associative aphasia, is a relatively rare form of aphasia, thought to be caused by a disruption in the fiber pathways connecting Wernicke's and Broca's areas. The arcuate fasciculus has previously been implicated as this fiber bundle, however more recent evidence suggests that the extreme capsule connects Wernicke's and Broca's areas[1].
