Alcohol abuse is one of the leading addictions many people face. ... so judgement, your decision making. There has been an abundance of research on the effects of alcohol on the brain, but many questions regarding how alcohol impairs the built-in control systems are still unknown. Alcohol is associated with a host of familiar cognitive changes, such as a loss of inhibitions, confused or abnormal thinking, and poor decision-making. Perhaps, the biggest and most detrimental impacts come at the level of intimacy, partnership, and marriage. Alcohol abuse leads to atrophy within the white matter of the cerebellum. These disruptions can change mood and behavior, and make it harder to think clearly and move with coordination. Alcohol appears to have different affects on the brain of adolescents than on adults. Amygdala Within the temporal lobe, the amygdala has connections to the prefrontal cortex, the hippocampus and the thalamus and mediates emotions (love, fear, rage, anxiety) and helps identify danger. “Drug addiction is marked by severe deficits in judgment and bad decision-making on the part of the addict,” said Jones. Drinking too much – on a single occasion or over time – can take a serious toll on your health. The other thing that can affect how alcohol is absorbed is your sex. Drinking alcohol can make humans feel pretty good, at least in the short term. Adolescence has a greater affect on memory center in the brain in adolescence than adults. ... Alcohol … Recreational alcohol users generally recover from its effects without any long-term problems. One way of understanding poor how decision-making might happen is to consider the processes involved in the dual decision-making model (Kahneman, 2011). Here’s how alcohol can affect your body: Brain: Alcohol interferes with the brain’s communication pathways, and can affect the way the brain looks and works. After all, teens who use drugs and alcohol are more likely to engage in various forms of risky behavior, which in turn may lead to increased sexual behavior (with the possibility of pregnancy, sexually transmitted infections [STIs], or even sexual assault), vehicular accidents, and other instances of fuzzy decision making. How Does Alcohol Affect the Brain: Alcohol & Neurotransmitters Not only can alcoholism wreak havoc on someone’s personal life, but it also greatly affects every single relationship they are a part of. Alcohol can impair a person’s judgment, affect their ability to communicate clearly, and even make it hard to read what someone is trying to say or express. These changes affect the processes involved in planning and decision making and impulse control, voluntary movement, memory and speech. 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