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It is suspected that an atypical form of Alzheimer's disease is the most common cause of logopenic progressive aphasia. [ 3 ] [ 4 ] Although patients with the logopenic variant of PPA are still able to produce speech, their speech rate may be significantly slowed due to word retrieval difficulty. [ 4 ]
People tend to produce grammatic, yet empty, speech. Auditory comprehension tends to be preserved. [69] Anomic aphasia is the aphasial presentation of tumors in the language zone; it is the aphasial presentation of Alzheimer's disease. [70] Anomic aphasia is the mildest form of aphasia, indicating a likely possibility for better recovery.
Other times, semantic paraphasias can result in empty speech, or the use of overly generic words such as "thing" or "stuff" to stand in for the word they cannot come up with. This leads to speech that contains real words but lacks any substantial meaning. Circumlocution: talking around the target word. [2]
Researchers have developed an AI tool that can predict with nearly 80% accuracy whether someone is at risk for developing Alzheimer’s disease based on their speech patterns.
Anomic aphasia, also known as dysnomia, nominal aphasia, and amnesic aphasia, is a mild, fluent type of aphasia where individuals have word retrieval failures and cannot express the words they want to say (particularly nouns and verbs). [1]
Alzheimer's disease is related to semantic dementia, which both have similar symptoms. The main difference between the two being that Alzheimer's is categorized by atrophy to both sides of the brain while semantic dementia is categorized by loss of brain tissue in the front portion of the left temporal lobe. [ 16 ]