Ads
related to: aphasia flow chart
Search results
Results from the WOW.Com Content Network
Mixed transcortical aphasia is characterized by severe speaking and comprehension impairment, but with preserved repetition. [6] People who suffer mixed transcortical aphasia struggle greatly to produce propositional language or to understand what is being said to them, yet they can repeat long, complex utterances or finish a song once they hear the first part.
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]
fMRI is a measure of the increase in blood flow to localized areas of the brain that coincide with neural activity and is used to image brain activity related to a specific task or sensory process. It is a commonly used method for imaging brain activity in aphasia patients. Sensory aphasia cannot be diagnosed through the use of imaging techniques.
Transcortical sensory aphasia: individuals have impaired auditory comprehension with intact repetition and fluent speech. [16] Progressive confluent aphasia: A form of frontotemporal dementia characterized by motor speech impairment, agrammatism, laborious speech, and apraxia of speech. It is understood that comprehension of speech and semantic ...
A person with anomic aphasia have word-finding difficulties. Anomic aphasia, also known as anomia, is a non-fluent aphasia, which means the person speaks hesitantly because of a difficulty naming words or producing correct syntax. [medical citation needed] The person struggles to find the right words for speaking and writing. [4]
Global aphasia typically results from an occlusion to the trunk of the middle cerebral artery (MCA), [2] which affects a large portion of the perisylvian region of the left cortex. [7] Global aphasia is usually a result of a thrombotic stroke, which occurs when a blood clot forms in the brain's blood vessels.
Broca's (expressive) aphasia is a type of non-fluent aphasia in which an individual's speech is halting and effortful. Misarticulations or distortions of consonants and vowels, namely phonetic dissolution, are common. Individuals with expressive aphasia may only produce single words, or words in groups of two or three. [8]
Progressive nonfluent aphasia (PNFA) is one of three clinical syndromes associated with frontotemporal lobar degeneration.PNFA has an insidious onset of language deficits over time as opposed to other stroke-based aphasias, which occur acutely following trauma to the brain.
Ads
related to: aphasia flow chart