alcoholism can trigger alterations in the architecture and function of the blossoming brain, which continues to mature into an individual's mid 20s, and it may have consequences reaching far beyond adolescence.
In adolescence, brain growth is defined by dramatic changes to the brain's architecture, neuron connectivity ("electrical wiring"), and physiology. These changes in the brain alter everything from developing sexuality to emotionality and judgment.
Not all parts of the juvenile brain mature simultaneously, which may put a juvenile at a disadvantage in particular circumstances. The limbic regions of the brain mature earlier than the frontal lobes. The limbic areas manage feelings and are associated with an adolescent's decreased level of sensitivity to risk. The frontal lobes are accountable for self-control, judgment, reasoning, problem-solving, and impulse control. Variations in maturation among parts of the brain can result in rash decisions or actions and a neglect for repercussions.
How Alcohol Affects the Human Brain Alcohol alters an adolescent's brain development in many ways. The consequences of adolescent drinking on specific brain functions are summarized below. Alcohol is a central nervous system depressant. Alcohol can seem to be a stimulant because, to begin with, it depresses the part of the brain that controls inhibitions.
CEREBRAL CORTEX-- alcohol dependence slows down the cortex as it works with information from an individual's senses.
CENTRAL NERVOUS SYSTEM-- When a person thinks about something he wants his body to undertake, the central nervous system-- the brain and the spinal cord-- sends a signal to that part of the body. Alcohol hampers the central nervous system, making the individual think, converse, and move less quickly.
FRONTAL LOBES -- The brain's frontal lobes are important for organizing, forming ideas, decision making, and exercising self-discipline.
When alcohol impairs the frontal lobes of the human brain, an individual might find it tough to control his/her emotions and urges. The individual might act without thinking or may even get violent. Consuming alcohol over a long period of time can injure the frontal lobes permanently.
HIPPOCAMPUS-- alcohol addiction is the portion of the human brain in which memories are generated. When alcohol gets to the hippocampus, a person might have trouble remembering a thing he or she just learned, such as a name or a telephone number. This can occur after just one or two alcoholic beverages. Drinking a lot of alcohol quickly can cause a blackout-- not having the ability to remember entire happenings, like what she or he did last night. If alcohol damages the hippocampus, a person might find it hard to learn and to hold on to knowledge.
CEREBELLUM-- The cerebellum is essential for coordination, ideas, and awareness. An individual might have trouble with these abilities once alcohol enters the cerebellum. After consuming alcohol, an individual's hands might be so unsteady that they can't touch or get hold of things properly, and they may fail to keep their balance and tumble.
HYPOTHALAMUS-- The hypothalamus is a little part of the brain that does an amazing number of the body's housekeeping tasks. Alcohol frustrates the work of the hypothalamus. After a person drinks alcohol, blood pressure, appetite, being thirsty, and the urge to urinate intensify while body temperature level and heart rate decline.
MEDULLA-- The medulla controls the body's unconscious actions, such as an individual's heart beat. It likewise keeps the body at the ideal temperature. Alcohol in fact chills the physical body. Consuming a great deal of alcohol outdoors in cold climates can cause an individual's body temperature to drop below normal. This harmful situation is called hypothermia.
alcohol dependence might have difficulty with these skills once alcohol gets in the cerebellum. After consuming alcohol, a person's hands might be so shaky that they can't touch or grab things normally, and they may fail to keep their equilibrium and tumble.
After an individual alcoholic beverages alcohol, blood pressure, hunger, being thirsty, and the urge to urinate increase while physical body temperature and heart rate decrease.
Alcohol in fact chills the body. Consuming a lot of alcohol outdoors in cold weather conditions can trigger a person's body temperature to fall below normal.
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