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Swallowing disorders can occur in all age groups, resulting from congenital abnormalities, structural damage, and/or medical conditions. [11] Swallowing problems are a common complaint among older individuals, and the incidence of dysphagia is higher in the elderly, [33] [34] and in patients who have had strokes. [35]
Stroke – swallowing problems can cause stroke victims to aspirate food or liquid into the lungs and cause pneumonia mostly in elderly people. Parkinson's disease – the mechanism of swallowing disorders in Parkinson's disease may be related to extrapyramidal and autonomic system disorders.
The brain plays a big part in the aging process, and scientists think they’ve pinpointed the specific cells that control it. In a study of mice, researchers at the Allen Institute identified ...
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]
Brain plasticity refers to the brain's ability to change structure and function. [9] [10] This ties into the common phrase, "if you don't use it, you lose it," which is another way of saying, if you do not use it, your brain will devote less somatotopic space for it.
In light of middle-aged smokers reporting a higher likelihood of memory loss than nonsmokers, a 2022 study published in the Journal of Alzheimer’s Disease found that smoking cessation from 45 to ...
This also explains why dyschronometria is seen more commonly in the elderly due to the deterioration of physical brain matter with age. Other probable causes for the deterioration of brain matter in the elderly include increased supranational activation, decreased cerebellar activation (which is consistent with fronto-cerebellar dissociation). [11]
It's possible that sundowning in dementia patients is caused by a combination of hormonal changes, brain deterioration or damage that has occurred, environmental factors, disruption to a person's ...