Regions of the brain are disrupted by drug abuse, as the national institute on drug abuse (nida) reports that the brain stem, limbic system, and cerebral cortex are all affected the brain stem controls life-sustaining functions, including sleeping, breathing, and heart rate, while the limbic system holds the brain’s reward circuitry and helps to control emotions and the ability to feel happiness. Amphetamine effects on the brain amphetamine is a stimulant drug that causes intense effects on the brain sometimes, these effects are beneficial, and the drug is able to combat the symptoms of adhd by “decreas[ing] restlessness” and increasing concentration ( nlm .
Chapter 2 how stimulants affect the brain and behavior over the last several decades, research on substances of abuse has vastly improved our understanding of human behavior and physiology and the nature of substance abuse and dependence.
The harmful effects of drugs and alcohol authored by melissa decapua, dnp the human brain is the most complex organ in the human body although it may weigh less than 3 pounds, it somewhat mysteriously controls both your thoughts and the physiological processes that keep you alive national institute on drug abuse (2012) drugs. Every person’s effects may be different, but there are always effects that occur from long-term stimulant abuse the take-away stimulants main impact on a person’s body is the impairment of a user’s brain chemicals.
Stimulant abuse and the brain according to national institute on drug abuse director alan i leshner, phd, the fundamental problem in dealing with any substance of abuse is to understand the target (ie, the user. Drug addiction is a biological, pathological process that alters the way in which the pleasure center, as well as other parts of the brain, functions to understand this process, it is necessary to examine the effects of drugs on neurotransmission. The brain undergoes long-term changes during drug abuse if the brain has to try to compensate for the loss or alteration of glutamate, a chemical that helps you concentrate, you’ll have impaired cognitive function. Introducing the human brain the human brain is the most complex organ in the body this three-pound mass of gray and white matter sits at the center of all human activity—you need it to drive a car, to enjoy a meal, to breathe, to create an artistic masterpiece, and to enjoy everyday activities.
Effects of long-term drug use on body and brain the human body has a tremendous ability to adapt to changing conditions all of your vital functions can be measured within certain ranges in other words, your body always seeks balance when something becomes too high, adjustments are made to return to center.
In addition to physical dependence and addiction, opiate abuse can cause brain damage due to respiratory depression 7 when the brain is injured as a consequence of being deprived of oxygen, it can result in lasting neurological and psychological effects. Levels of some of the brain’s chemical messengers, or neurotransmitters, are also impacted by drug abuse, including: dopamine : this neurotransmitter regulates moods, enhances pleasure, and is involved with movement, reward and reinforcing behaviors, motivation, and attention.