Alterations In The Growing Brain from Alcohol Consumption?Alcohol can cause changes in the structure and operation of the growing brain, which continues to grow into a person's mid 20s, and it might have repercussions reaching far beyond adolescence.
In adolescence, brain growth is characterized by remarkable changes to the brain's structure, neural connections ("circuitry"), and physiology. These changes in the brain affect everything from emerging sexuality to emotions and judgment.
Not all parts of the adolescent brain mature at the same time, which may put an adolescent at a disadvantage in particular circumstances. The limbic areas of the brain develop sooner than the frontal lobes.
The way Alcohol Alters the Human Brain Alcohol alters an adolescent's brain development in several ways. The repercussions of juvenile drinking on specific brain functions are detailed below. Alcohol is a central nervous system sedative drug. Alcohol can appear to be a stimulant because, initially, it suppresses the portion of the brain that controls inhibitions.
CEREBRAL CORTEX-- alcohol slows down the cortex as it works with information from a person's senses.
CENTRAL NERVOUS SYSTEM-- When an individual thinks of something he wants his body to do, the central nervous system-- the brain and the spine-- sends out a signal to that portion of the body. Alcohol hinders the central nervous system, making the person think, communicate, and move more slowly.
FRONTAL LOBES -- The brain's frontal lobes are essential for organizing, forming ideas, decision making, and using self-control.
An individual might find it tough to control his or her emotions and urges once alcohol impairs the frontal lobes of the brain. The person may act without thinking or may even become violent. drinking alcohol over a long period of time can injure the frontal lobes permanently.
HIPPOCAMPUS-- The hippocampus is the portion of the brain where memories are created. When alcohol reaches the hippocampus, a person may have difficulty recollecting something she or he just learned, like a person's name or a telephone number. This can occur after just a couple of alcoholic beverages. Drinking a lot of alcohol rapidly can cause a blackout-- not having the ability to recollect entire incidents, such as what exactly he or she did last night. If alcohol harms the hippocampus, an individual might find it difficult to learn and to hang on to information.
CEREBELLUM-- The cerebellum is essential for coordination, to form thoughts, and attention. A person may have difficulty with these skills once alcohol goes into the cerebellum. After drinking alcohol, a person's hands may be so shaky that they cannot touch or get hold of things properly, and they might lose their balance and fall.
HYPOTHALAMUS-- The hypothalamus is a little part of the brain that does an incredible number of the body's housekeeping chores. Alcohol upsets the work of the hypothalamus. After a person drinks alcohol, blood pressure, appetite, thirst, and the urge to urinate intensify while body temperature and heart rate decrease.
Alcohol actually chills the physical body. Consuming a lot of alcohol outdoors in cold weather conditions can cause an individual's body temperature level to drop below normal.
An individual might have difficulty with these abilities when alcohol gets in the cerebellum. After consuming alcohol, a person's hands may be so shaky that they can't touch or get hold of things properly, and they might lose their balance and fall.
After an individual drinks alcohol, blood pressure, hunger, being thirsty, and the desire to urinate increase while body temperature levels and heart rate decrease.
Alcohol in fact cools down the body. Consuming a lot of alcohol outdoors in cold weather conditions can cause an individual's physical body temperature to drop below normal.
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