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Despite an inability to comprehend speech, patients with auditory verbal agnosia typically retain the ability to hear and process non-speech auditory information, speak, read and write. This specificity suggests that there is a separation between speech perception, non-speech auditory processing, and central language processing. [ 2 ]
They might describe the sound of some environmental sounds, such as a motor starting, as resembling a lion roaring, but would not be able to associate the sound with "car" or "engine", nor would they say that it was a lion creating the noise. [3] All auditory agnosia patients read lips in order to enhance the speech comprehension. [4]
He did not explicitly predict the repetition deficit, but did note that, unlike those with Wernicke's aphasia, conduction aphasics would be able to comprehend speech properly, and intriguingly, would be able to hear and understand their own speech errors, leading to frustration and self-correction. [22] [23]
Aphasia, also known as dysphasia, [a] is an impairment in a person’s ability to comprehend or formulate language because of damage to specific brain regions. [2] The major causes are stroke and head trauma; prevalence is hard to determine, but aphasia due to stroke is estimated to be 0.1–0.4% in developed countries. [3]
In human development, muteness or mutism [1] is defined as an absence of speech, with or without an ability to hear the speech of others. [2] Mutism is typically understood as a person's inability to speak, and commonly observed by their family members, caregivers, teachers, doctors or speech and language pathologists.
Anomic aphasia: the biggest hallmark is one's poor word-finding abilities; one's speech is fluent and appropriate, but full of circumlocutions (evident in both writing and speech). Conduction aphasia : individuals can comprehend what is being said and are fluent in spontaneous speech, but they cannot repeat what is being said to them.
Speech agnosia: Pure word deafness, or speech agnosia, is an impairment in which a person maintains the ability to hear, produce speech, and even read speech, yet they are unable to understand or properly perceive speech. These patients seem to have all of the skills necessary in order to properly process speech, yet they appear to have no ...
People with this type of aphasia often have trouble understanding other's speech and generally do not realize that they are not making any sense. [21] Conduction aphasia [21] also known as association aphasia, is when there is a difficulty repeating words or phrases. Comprehension and spontaneous speech are usually not limited, just repetition.