What effect does alcohol have in the brain quizlet?

How does alcohol affect the brain? Alcohol shrinks the brain matter, it effects the cerebral cortex and Cerebellum not to mention loss of memory. People also get cognitive deficits called alcoholic dementia, structure change to the brains tissue.

What effect does alcohol have in the brain quizlet GABA?

Alcohol increases the effects of the inhibitory neurotransmitter (chemical messengers that decrease brain activity) GABA in the brain. GABA causes the sluggish movements and slurred speech that often occur in alcoholics.

What effect does alcohol have on the brain?

Alcohol has a profound effect on the complex structures of the brain. It blocks chemical signals between brain cells (called neurons), leading to the common immediate symptoms of intoxication, including impulsive behavior, slurred speech, poor memory, and slowed reflexes.

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Which neurotransmitter receptors does alcohol affect quizlet?

2) Alcohol activates GABA(A) receptors located on GABA neurons in the ventral tegmental area, causing reduced GABA release, which decreases the inhibition of dopamine neurons. This increases dopamine release in the nucleus accumbens, a known rewarding action.

What is the main effect of alcohol on the central nervous system quizlet?

Alcohol is a depressant which slows down all the major functions of the central nervous system. It can cause slurred speech, mental confusion, blurry vision, and poor muscle control. If enough alcohol is consumed, it severely impairs the functioning of the respiratory system, and can even casue breathing to stop.

Why are the effects of alcohol predominantly felt in the brain first?

While all body systems feel the effects of alcohol, the CNS is particularly sensitive. That’s because alcohol can pass through the blood-brain barrier, reaching neurons directly.

What neurotransmitter is linked to alcohol effects?

GABA or GABA is the third neurotransmitter whose functioning is critical in understanding the genetics of alcohol addiction. GABA as a neurotransmitter has been long known to be affected by alcohol consumption.

How do you know if you have brain damage from alcohol?

Difficulty walking, blurred vision, slurred speech, slowed reaction times, impaired memory: Clearly, alcohol affects the brain. Some of these impairments are detectable after only one or two drinks and quickly resolve when drinking stops.

Can the brain heal itself from alcohol?

Alcohol related brain damage and recovery. Results from a study show the brain is able to repair itself remarkably quickly when chronic alcohol abusers become abstinent. The study found that grey matter which had shrunk due to alcohol abuse began returning within two weeks after the patient stopped drinking.

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What happens if you drink alcohol everyday?

Drinking too much puts you at risk for some cancers, such as cancer of the mouth, esophagus, throat, liver and breast. It can affect your immune system. If you drink every day, or almost every day, you might notice that you catch colds, flu or other illnesses more frequently than people who don’t drink.

Which outcomes are associated with long-term alcohol use quizlet?

Long-term alcohol use can result in Korsakoff’s syndrome that includes profound amnesia that is more severe than early dementia symptoms. Patients who drink alcohol long-term can develop Marchiafava-Bignami disease that includes symptoms of dysarthria, altered consciousness, and tetraparesis.

Where is alcohol broken down in the body?

Most of the ethanol in the body is broken down in the liver by an enzyme called alcohol dehydrogenase (ADH), which transforms ethanol into a toxic compound called acetaldehyde (CH3CHO), a known carcinogen.

What type of alcohol is used in the production of alcoholic beverages?

The type of alcohol in the alcoholic drinks we drink is a chemical called ethanol.To make alcohol, you need to put grains, fruits or vegetables through a process called fermentation (when yeast or bacteria react with the sugars in food – the by-products are ethanol and carbon dioxide).

What are some of the harmful effects of alcohol quizlet?

Acute effects on the circulatory system include decreased blood pressure, pulse and respiration. With long-term use alcohol can cause chronic high blood pressure, cardiomyopathy (deterioration of the heart muscle) and other heart diseases.

What organs are affected by alcohol quizlet?

Long term alcohol abuse may harm the brain, liver, heart, and digestive system.

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What are three factors that influence alcohol use?


  • Amount of Alcohol & Speed of Consumption. The more alcohol and/or the shorter the time period, the higher the Blood Alcohol Content (BAC).
  • Biological / Genetic Risk. …
  • Ethnicity. …
  • Gender. …
  • Body Size and Composition. …
  • Stomach Content. …
  • Dehydration. …
  • Carbonated Beverages.
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