Noah Vinter
There have been many researchers and scientists who have dedicated their careers to understanding and treating alcohol addiction. One notable example is Dr. Frank Plummer, a renowned microbiologist who himself struggled with alcohol dependence. Plummer's work on the frontlines of the battle against epidemics such as HIV and Ebola masked his growing reliance on alcohol to cope with stress and grief. He eventually underwent experimental brain surgery, specifically deep brain stimulation, to treat his addiction, becoming a guinea pig in a clinical trial. Another researcher, Schacht, has been studying the effects of GLP-1 drugs on alcohol addiction, aiming to reduce cravings and drinking behaviour. Additionally, scientists at Linköping University in Sweden have made significant advancements by pinpointing a specific brain region and molecular dysfunction responsible for addictive tendencies, which may lead to the development of effective pharmaceutical therapies for alcohol addiction.
| Characteristics | Values |
|---|---|
| Name | Frank Plummer |
| Occupation | Microbiologist |
| Surgery | DBS surgery performed on the nucleus accumbens, or pleasure centre of the brain |
| Trial | First patient in a trial with a total of six participants with chronic alcohol use disorder |
| Results | Improved quality of life, renewed interest in writing and research |
| Outlook | Cautious optimism, acknowledging the need for further research and conventional treatment |
| Research | Conducted by Linköping University in Sweden, led by Heilig with co-author Dayne Mayfield |
| Findings | Lower GAT-3 gene expression in the brains of those who chose alcohol; potential for developing effective pharmaceutical therapies |
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What You'll Learn
- Scientists are researching the brain region responsible for addictive tendencies
- Alcoholism can disrupt careers, but psychiatrists can help
- Alcohol is the most consumed psychoactive substance after caffeine
- Brain surgery is being tested as a treatment for alcohol addiction
- Alcohol withdrawal can cause severe insomnia
Scientists are researching the brain region responsible for addictive tendencies
Scientists have been researching the brain regions responsible for addictive tendencies for several decades. This research has transformed our understanding of substance use and its effects on the brain, leading to new ways of thinking about prevention and treatment for substance use disorders.
The brain is made up of many interconnected circuits that work together as a team. Different brain circuits coordinate and perform specific functions. Networks of neurons send signals back and forth to each other and to other parts of the body. To send a message, a neuron releases a neurotransmitter into the gap (synapse) between it and the next cell. The neurotransmitter crosses the synapse and attaches to receptors on the receiving neuron, causing changes in the receiving cell. Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters.
The neurotransmitter dopamine is central to the process of addiction. Whenever the reward circuit is activated by a healthy, pleasurable experience, a burst of dopamine signals that something important is happening that needs to be remembered. This dopamine signal causes changes in neural connectivity that make it easier to repeat the activity without thinking about it, leading to the formation of habits. Drugs over-activate this reward circuit, producing the euphoria of a drug high. However, with repeated exposure, the circuit adapts to the presence of the drug, diminishing its sensitivity and making it hard to feel pleasure from anything besides the drug.
Scientists have identified three brain regions associated with the three stages of the addiction cycle: the basal ganglia, the extended amygdala, and the prefrontal cortex. The basal ganglia contribute to the rewarding effects of addictive substances through the release of dopamine and the brain's natural opioids. The extended amygdala plays a role in stressful feelings like anxiety, irritability, and unease, which characterize withdrawal after the drug high fades, motivating the person to seek the drug again. The prefrontal cortex, located at the front of the brain, is responsible for complex cognitive processes, including executive function, which involves organizing thoughts and activities, prioritizing tasks, managing time, making decisions, and regulating one's actions, emotions, and impulses. Some scientists divide the functions of this brain region into a "Go system" and an opposing "Stop system." The Go system helps people make decisions and engage in behaviors that help them achieve their goals. When substance-seeking behavior is triggered by substance-associated environmental cues (incentive salience), activity in the Go circuits of the prefrontal cortex increases dramatically. This increased activity stimulates the nucleus accumbens to release glutamate, the main excitatory neurotransmitter in the brain, promoting incentive salience and creating a powerful urge to use the substance.
Research into these brain regions and their functions has informed treatments for substance use disorders. For example, Deep Brain Stimulation (DBS) surgery has been used to treat movement disorders like Parkinson's disease for over 25 years and is now being explored as a treatment for alcohol use disorder. DBS surgery for alcohol addiction targets the brain's nucleus accumbens or pleasure centre, which is also involved in mood, anxiety, and depression.
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Alcoholism can disrupt careers, but psychiatrists can help
Alcoholism, or alcohol use disorder, is a chronic relapsing disease characterised by the compulsive use of alcohol despite severe negative consequences. It can disrupt careers, relationships, and personal health. Those with the disorder are unable to manage their drinking habits and may experience alcohol withdrawal symptoms such as insomnia.
Alcohol use disorder can be mild, moderate, or severe. Treatment for the disorder includes medication, behavioural therapy, and support groups. The medication used for treatment includes naltrexone, acamprosate, topiramate, and gabapentin. Behavioural therapy focuses on changing drinking behaviour through counselling with addiction counsellors or psychologists. Support groups, such as Alcoholics Anonymous, provide a space for members to share experiences and learn coping skills.
Psychiatrists play a crucial role in the treatment of alcohol use disorder. They can help patients decide on the best treatment programme for their specific needs. This may include recommending temporary abstinence from alcohol, as well as therapy or rehab programmes. Psychiatrists can also prescribe psychotropic medication, which adjusts major chemicals in the brain, known as neurotransmitters. These medications include antidepressants, anti-anxiety medications, stimulants, antipsychotics, and mood stabilisers.
In addition to professional help, individuals struggling with alcohol use disorder can benefit from support systems such as family, friends, and self-help groups. Regular exercise, mindfulness, and meditation can also aid in recovery.
It is important to note that detoxification from alcohol should be done under medical supervision to ensure safety and avoid relapse. Seeking help from a qualified physician or psychiatrist with experience in alcoholism treatment is crucial.
While alcohol use disorder can significantly impact careers and various aspects of life, recognising the problem and seeking appropriate treatment from psychiatrists and other healthcare providers can lead to successful recovery and a healthier, happier life.
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Alcohol is the most consumed psychoactive substance after caffeine
Alcohol is the world's most widely consumed psychoactive substance after caffeine. Caffeine is a psychostimulant with pharmacological properties similar to those of classical psychostimulants like cocaine and amphetamine, though its effects are milder. Caffeine consumption has been shown to be reinforcing, with several epidemiological studies indicating that regular intake can lead to dependence, marked by withdrawal symptoms. While the addictive potential of caffeine is still debated, the DSM-5 has acknowledged caffeine withdrawal as a diagnosis.
Alcohol, or ethanol, is a central nervous system depressant that decreases electrical activity in the neurons of the brain, leading to intoxication or drunkenness. It is commonly consumed as a recreational substance in the form of beer, wine, and spirits and is often used to self-medicate and manage social anxiety. Alcohol is known to produce euphoria, decrease anxiety, increase sociability, and impair cognitive, memory, motor, and sensory functions. However, excessive and long-term use can worsen symptoms of anxiety and depression due to changes in brain chemistry.
The consumption of alcohol is deeply ingrained in many social settings, with drinking often associated with increased sociability, happiness, and satisfaction with life. However, alcohol is highly addictive and can lead to alcohol use disorder, dependence, and withdrawal symptoms upon cessation. The adverse effects of alcohol consumption are well-documented, and addressing alcohol addiction remains a complex challenge.
In addressing alcohol addiction, various treatment approaches are employed, including therapy, rehab programmes, and, in some cases, experimental brain surgeries such as Deep Brain Stimulation (DBS). DBS has been explored as a potential treatment for alcohol use disorder, targeting the brain's reward and pleasure circuits. The story of renowned scientist Dr. Frank Plummer, who participated in a clinical trial for DBS as a patient, highlights the complex nature of alcohol addiction and the ongoing search for effective treatments.
Alcoholism can significantly impact individuals' lives, including their careers. Several scientists have shared their struggles with alcohol addiction and their journeys to sobriety, emphasizing the importance of addressing this issue. The combination of caffeine and alcohol consumption has also been studied, with findings suggesting that it increases the craving for alcohol and the tendency to consume other substances.
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Brain surgery is being tested as a treatment for alcohol addiction
Brain Surgery for Alcohol Addiction
Deep brain stimulation (DBS) surgery is being tested as a treatment for alcohol addiction. DBS has been used for over 25 years to treat movement disorders like Parkinson's disease, but its application in treating alcohol addiction is still in the early stages of research. DBS targets the brain's nucleus accumbens, or the pleasure centre, which is also involved in mood, anxiety, and depression. This is key, as addiction disorders often coexist with mood disorders. The surgery involves implanting electrodes into the patient's brain, and patients are kept awake during the procedure.
The surgical trial is testing the safety and effectiveness of DBS for alcohol addiction. DBS is an attractive method because of its potential reversibility when the stimulator is switched off. It has been extended in recent years for the treatment of neuropsychiatric diseases. The trial is being conducted in North America and led by neurosurgeon Dr. Nir Lipsman. Dr. Lipsman states that the part of the brain being targeted differs depending on the disorder:
> For things like Parkinson's disease, we target motor circuits in the brain, [but] in addiction, alcohol use disorder, we're targeting reward, pleasure circuits of the brain.
Dr. Frank Plummer, a microbiologist, was the trial's first patient and had a growing reliance on alcohol. He has found relief from alcohol abuse disorder after the procedure. Dr. Plummer cautions that the research is in its early stages and should be viewed as part of a larger strategy to treat alcohol addiction.
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Alcohol withdrawal can cause severe insomnia
Microbiologist Frank Plummer has been at the forefront of the battle against some of the world's most alarming epidemics, including HIV and Ebola. However, his illustrious career masked a growing dependence on alcohol. Dr Plummer's alcohol use began in the early 1980s in Nairobi, where he turned to Scotch to help him cope with stress, disappointment, and grief related to his work.
Alcohol withdrawal insomnia refers to significant sleep disturbances that occur when someone stops drinking after a period of regular alcohol use. These sleep problems are common and persistent withdrawal symptoms, often lasting weeks or months after the last drink. People experiencing alcohol withdrawal insomnia may struggle with difficulty falling asleep despite feeling exhausted, frequent awakenings throughout the night, early morning awakenings with an inability to fall back asleep, vivid or disturbing dreams and nightmares, and feeling unrefreshed upon waking, regardless of sleep duration.
The severity of alcohol withdrawal insomnia often correlates with drinking patterns and history. Heavy daily drinkers typically experience more severe and prolonged sleep problems compared to those with lighter or more intermittent use patterns. Binge drinking patterns can also create significant sleep disruptions, although these may resolve more quickly than those associated with daily heavy drinking. The duration of alcohol use is also a significant factor, with longer periods of alcohol use resulting in more persistent sleep problems. Additionally, age plays a role, with older adults experiencing more sleep issues due to natural age-related changes in sleep architecture.
Individuals with co-occurring mental health disorders, such as depression, anxiety, or trauma-related disorders, often experience more severe and prolonged sleep disturbances during alcohol withdrawal. The environment where withdrawal occurs also matters, with those detoxing in medical facilities benefiting from better sleep support through medications and structured environments. Social support from family and friends who understand the recovery process can also reduce stress and anxiety, improving sleep.
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Frequently asked questions
Microbiologist Frank Plummer underwent brain surgery as part of a clinical trial to test the effectiveness of Deep Brain Stimulation (DBS) in treating alcohol use disorder.
DBS surgery involves implanting electrodes in the brain's nucleus accumbens or pleasure centre. DBS has been used for over 25 years to treat movement disorders like Parkinson's disease.
Dr Plummer, the first patient in the trial, reported that life became "so much better, so much richer" after the surgery. He also reported that the worst part of the procedure was the noise and vibrations from the drill used to implant the electrodes.
Researchers at Linköping University in Sweden found that a subgroup of rats consistently preferred alcohol over a tastier, more biologically desirable sugar substitute. They also found that "addicted" rats still chose alcohol even when it meant receiving an unpleasant foot shock. This research identified a specific brain region and molecular dysfunction likely responsible for addictive tendencies and could lead to the development of effective pharmaceutical therapies for alcohol addiction.
