In adolescence, brain growth is characterized by dramatic modifications to the brain's architecture, neuron connectivity ("electrical wiring" wink , and physiology. These transformations in the brain affect everything from developing sexuality to emotionality and judgment.
Not all component parts of the adolescent brain mature simultaneously, which may put a youth at a disadvantage in specific scenarios. For example, the limbic regions of the brain mature https://labtestsonline.org/understanding/conditions/alcoholism/ earlier than the frontal lobes. The limbic regions regulate feelings and are related to an adolescent's decreased level of sensitivity to risk. The frontal lobes are responsible for self-control, judgment, reasoning, problem-solving, and impulse control. Differences in maturation amongst parts of the brain can result in rash choices or actions and a neglect for consequences.
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How Alcohol Disturbs the Human Brain
Alcohol disturbs a juvenile's brain development in several ways. The repercussions of underage drinking on specific brain activities are discussed below.
Alcohol is a central nervous system sedative. Alcohol can seem to be a stimulant because, before anything else, it depresses the portion of the human brain that regulates inhibitions.
CEREBRAL CORTEX-- Alcohol hampers the cortex as it works with information from a person's senses.
CENTRAL NERVOUS SYSTEM-- When an individual thinks of something he desires his body to undertake, the central nervous system-- the brain and the spinal cord-- sends a signal to that portion of the body. Alcohol slows down the central nervous system, making the individual think, communicate, and move less quickly.
FRONTAL LOBES -- The human brain's frontal lobes are very important for advanced planning, creating concepts, making decisions, and employing self-discipline.
An individual might find it hard to manage his or her feelings and urges once alcohol affects the frontal lobes of the brain. The individual may act without thinking or may even become violent. Consuming alcohol over a long period of time can injure the frontal lobes permanently.
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HIPPOCAMPUS-- The hippocampus is the part of the brain where memories are created.
When alcohol gets to the hippocampus, an individual may have difficulty remembering something she or he just learned, like a name or a telephone number. This can occur after just a couple of drinks.
Drinking a lot of alcohol rapidly can trigger a blackout-- not being able to remember entire happenings, such as what exactly he or she did the night before.
If alcohol damages the hippocampus, a person might find it tough to learn and to hang on to knowledge.
CEREBELLUM-- The cerebellum is essential for coordination, ideas, and focus. When alcohol goes into the cerebellum, a person may have trouble with these skills. After consuming alcohol, an individual's hands may be so tremulous that they can't touch or grab things properly, and they might lose their balance and tumble.
HYPOTHALAMUS-- The hypothalamus is a small part of the brain that does a remarkable number of the physical body's housekeeping chores. Alcohol frustrates the operation of the hypothalamus. After an individual drinks alcohol, blood pressure, hunger, thirst, and the urge to urinate increase while body temperature level and heart rate decrease.
Alcohol in fact cools down the physical body. Drinking a lot of alcohol outdoors in cold weather conditions can cause a person's physical body temperature to drop below normal.
A person might have trouble with these skills once alcohol goes into the cerebellum. After consuming alcohol, a person's hands may be so tremulous that they can't touch or grab things properly, and they may lose their equilibrium and fall.
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After an individual alcoholic beverages alcohol, blood pressure, hunger, being thirsty, and the urge to urinate increase while body temperature levels and heart rate decrease.
Alcohol actually chills the physical body. Drinking a lot of alcohol outdoors in cold weather conditions can trigger an individual's physical body temperature to fall below normal.
