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Its causes are under investigation and occurs commonly in older patients and those with pre-existing cognitive impairment. [2] The causes of POCD are not understood. It does not appear to be caused by lack of oxygen or impaired blood flow to the brain [3] and is equally likely under regional and general anesthesia.
The visual symptoms are of particular importance in the diagnosis of this disorder. Patients typically complain of difficulty reading due to the inability to look downwards. The ophthalmoparesis experienced by these patients mainly concerns voluntary eye movement and the inability to make vertical saccades, which is often worse with downward ...
The surgery causes most of the connections to and from the prefrontal cortex, the anterior part of the frontal lobes of the brain, to be severed. In the past, this treatment was used for treating psychiatric disorders as a mainstream procedure in some countries.
Posterior cortical atrophy (PCA), also called Benson's syndrome, is a rare form of dementia which is considered a visual variant or an atypical variant of Alzheimer's disease (AD). [1] [2] [3] The disease causes atrophy of the posterior part of the cerebral cortex, resulting in the progressive disruption of complex visual processing. [4]
nystagmus (rapid, involuntary eye movements), causing sleep disturbances; ophthalmoplegia (paralysis of extraocular muscles) diplopia (double vision) Scientific studies have revealed that psychiatric symptoms are also common in patients with cerebellar degeneration, [5] [6] where dementia is a typical psychiatric disorder resulting from ...
The surgery was a success and doctors were able to safely remove the benign (non-cancerous) tumor, called a low-grade glioma, from Campione's brain, says Patel.
About a third of patients show significant improvement in their symptoms after operation. [1] Advances in surgical technique have greatly reduced the incidence of death and serious damage from psychosurgery; the remaining risks include seizures, incontinence, decreased drive and initiative, weight gain, and cognitive and affective problems. [1]
A link between these types of drugs and cognitive impairment isn't a totally new discovery, but for the first time, researchers used brain imaging techniques to determine the physical changes ...
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