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Toxic encephalopathy is a neurologic disorder caused by exposure to neurotoxic organic solvents such as toluene, following exposure to heavy metals such as manganese, as a side effect of melarsoprol treatment for African trypanosomiasis, adverse effects to prescription drugs, or exposure to extreme concentrations of any natural toxin such as cyanotoxins found in shellfish or freshwater ...
Some of the most common naturally occurring brain toxins that lead to neurotoxicity as a result of long term drug use are amyloid beta (Aβ), glutamate, dopamine, and oxygen radicals. When present in high concentrations, they can lead to neurotoxicity and death . Some of the symptoms that result from cell death include loss of motor control ...
Another late form of neurosyphilis is general paresis, which is a slow degenerative process of the brain. Neuropsychiatric symptoms might appear due to overall damage to the brain. These symptoms can make the diagnosis more difficult and can include symptoms of dementia, [11] [12] mania, psychosis, depression, [13] and delirium. [14]
Researchers from Murdoch University have developed a screening test where people self-report their concerns in six different cognitive areas to help determine a person’s dementia risk.
The first symptoms are often mistakenly attributed to aging or stress. [34] Detailed neuropsychological testing can reveal mild cognitive difficulties up to eight years before a person fulfills the clinical criteria for diagnosis of Alzheimer's disease. [35] These early symptoms can affect the most complex activities of daily living. [36]
Neurological signs include impaired vibratory sensation at extremities and an inability to maintain steady motion, a possible effect from psychomotor damage in the brain. Other symptoms that have been seen include fatigue, decreased strength, and unusual gait. [9]
Binswanger's disease is a type of subcortical vascular dementia caused by white matter atrophy to the brain. However, white matter atrophy alone is not sufficient for this disease; evidence of subcortical dementia is also necessary.
Different parts of the brain have different functions, from memory to movement to reasoning, so symptoms depend on which part of the brain is damaged. The risk of dementia rises as you age and if ...
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