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Other disorders associated with echolalia are Pick's disease, frontotemporal dementia, corticobasal degeneration, progressive supranuclear palsy, as well as pervasive developmental disorder. [10] In transcortical sensory aphasia, echolalia is common, with the patient incorporating another person's words or sentences into his or her own response ...
Transcortical sensory aphasia is characterized as a fluent aphasia. Fluency is determined by direct qualitative observation of the patient’s speech to determine the length of spoken phrases, and is usually characterized by a normal or rapid rate; normal phrase length, rhythm, melody, and articulatory agility; and normal or paragrammatic speech. [5]
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]
[3] [7] Expressive aphasia differs from dysarthria, which is typified by a patient's inability to properly move the muscles of the tongue and mouth to produce speech. Expressive aphasia also differs from apraxia of speech, which is a motor disorder characterized by an inability to create and sequence motor plans for conscious speech. [8]
Like many acquired language disorders, Wernicke's aphasia can be experienced in many different ways and to many different degrees. Patients diagnosed with Wernicke's aphasia can show severe language comprehension deficits; however, this is dependent on the severity and extent of the lesion. [2]
Mixed receptive-expressive language disorder (DSM-IV 315.32) [1] is a communication disorder in which both the receptive and expressive areas of communication may be affected in any degree, from mild to severe. [2] Children with this disorder have difficulty understanding words and sentences.
[19] [12] Aphasia is a disorder that is acquired, therefore it occurs in individuals that have already developed language. Aphasia does not affect a person's intellect or speech but Instead affects the formulation of language. [20] All areas of language are affected by aphasia including expressive and receptive language abilities. [20]
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.