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Seal finger, also known as sealer's finger and spekkfinger (from the Norwegian for "blubber"), [2] is an infection that afflicts the fingers of seal hunters and other people who handle seals, as a result of bites or contact with exposed seal bones; [citation needed] it has also been contracted by exposure to untreated seal pelts.
It is the cause of 60–70% of cases of dementia. [2] [15] The most common early symptom is difficulty in remembering recent events. [1] As the disease advances, symptoms can include problems with language, disorientation (including easily getting lost), mood swings, loss of motivation, self-neglect, and behavioral issues. [2]
Causes Idiopathic , stroke , dementia Gerstmann syndrome is a neurological disorder that is characterized by a constellation of symptoms [ 1 ] that suggests the presence of a lesion usually near the junction of the temporal and parietal lobes at or near the angular gyrus .
Louise Round, a marine animal medic, explained that “seal finger” is caused by the necrotic bacteria on their teeth. She said: “It’s a really nasty blood infection, it’s horrible. It ...
Once you get an evaluation, a doctor will usually order a blood test to check for a vitamin B12 deficiency, along with other potential factors that could cause dementia-like symptoms, Sachdev says.
The symptoms of this dementia depend on where in the brain the strokes occurred and whether the blood vessels affected were large or small. [13] Repeated injury can cause progressive dementia over time, while a single injury located in an area critical for cognition such as the hippocampus, or thalamus, can lead to sudden cognitive decline. [72]
Signs and symptoms are classified into three groups based on the affected functions of the frontal and temporal lobes: [8] These are behavioural variant frontotemporal dementia, semantic dementia, and progressive nonfluent aphasia. An overlap between symptoms can occur as the disease progresses and spreads through the brain regions. [14]
Clinically subcortical dementia usually is seen with features like slowness of mental processing, forgetfulness, impaired cognition, lack of initiative-apathy, depressive symptoms (such as anhedonia, negative thoughts, loss of self-esteem and dysphoria), loss of social skills along with extrapyramidal features like tremors and abnormal movements.