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Alcohol-related brain damage [1] [2] alters both the structure and function of the brain as a result of the direct neurotoxic effects of alcohol intoxication or acute alcohol withdrawal. Increased alcohol intake is associated with damage to brain regions including the frontal lobe , [ 3 ] limbic system , and cerebellum , [ 4 ] with widespread ...
Korsakoff syndrome (KS) [1] is a disorder of the central nervous system characterized by amnesia, deficits in explicit memory, and confabulation.This neurological disorder is caused by a deficiency of thiamine (vitamin B 1) in the brain, and it is typically associated with and exacerbated by the prolonged, excessive ingestion of alcohol. [2]
It mainly causes vision changes, ataxia and impaired memory. [2] The cause of the disorder is thiamine (vitamin B 1) deficiency. This can occur due to Wernicke encephalopathy, eating disorders, malnutrition, and alcohol abuse. These disorders may manifest together or separately. WKS is usually secondary to prolonged alcohol abuse.
The general cause of this disease appears to be prolonged and heavy consumption of alcohol accompanied by a nutritional deficiency. However, there is ongoing debate over the active mechanisms, [ 6 ] [ 7 ] including whether the main cause is the direct toxic effect of alcohol itself or whether the disease is a result of alcoholism-related ...
Excessive alcohol intake (binge drinking) causes a decrease in hippocampal neurogenesis, via decreases in neural stem cell proliferation and newborn cell survival. [19] [20] Alcohol decreases the number of cells in S-phase of the cell cycle, and may arrest cells in the G1 phase, thus inhibiting their proliferation. [19]
Under conditions of moderate alcohol consumption where blood alcohol levels average 0.06–0.08% and decrease 0.01–0.02% per hour, an alcohol clearance rate of 4–5 hours would coincide with disruptions in sleep maintenance in the second half of an 8-hour sleep episode. [3]
Extreme levels of consumption can cause alcohol poisoning and death; a concentration in the blood stream of 0.36% will kill half of those affected. [2] [3] [4] Alcohol may also cause death indirectly by asphyxiation, caused from vomiting. Alcohol can greatly exacerbate sleep problems.
More specifically, the neurological diseases that can cause cerebellar degeneration include: [11] Diagram of two different nerve cells. The diagram on the left shows a nerve cell that is healthy and normally-functioning. The diagram on the right shows a nerve cell with a damaged myelin sheath, being the cause of multiple sclerosis.