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Semantic dementia. In neurology, semantic dementia ( SD ), also known as semantic variant primary progressive aphasia ( svPPA ), is a progressive neurodegenerative disorder characterized by loss of semantic memory in both the verbal and non-verbal domains. However, the most common presenting symptoms are in the verbal domain (with loss of word ...
A new study suggests that talking at a certain speed could be a sign of early dementia. Experts explain to 'WH' how you can “retrain” your brain as you age. ... like a broom while hearing an ...
Elevated workplace or environmental noise can cause hearing impairment, tinnitus, hypertension, ischemic heart disease, annoyance, and sleep disturbance. [3] [4] Changes in the immune system and birth defects have been also attributed to noise exposure. [5] Although age-related health effects ( presbycusis) occur naturally with age, [6] in many ...
Loaded 0%. It may be possible to detect signs of dementia as early as nine years before diagnosis, new research suggests. The findings raise the prospect that in the future at-risk patients could ...
In a noisy environment, both microphones receive noise at a similar level, but the primary mic receives the desired sounds more strongly. Thus if one signal is subtracted from the other (in the simplest sense, by connecting the microphones out of phase) much of the noise is canceled while the desired sound is retained.
Research suggests that treating hearing loss supports brain health. While there is no definitely link between hearing loss and dementia, current research suggests that early intervention can help ...
They have revealed a pioneering nasal spray treatment that has demonstrated effectiveness in eliminating harmful tau protein accumulation and enhancing cognitive abilities in aged mouse models ...
Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...