#alcohol-use — Public Fediverse posts

DATE: September 5, 2026 at 08:00AM
SOURCE: PSYPOST.ORG

** Research quality varies widely from fantastic to small exploratory studies. Please check research methods when conclusions are very important to you. **
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TITLE: Scientists map the brain pathway that links social isolation to increased alcohol consumption

URL: https://www.psypost.org/scientists-map-the-brain-pathway-that-links-social-isolation-to-increased-alcohol-consumption/

A recent study in mice suggests that social isolation drives increased alcohol consumption by strengthening a specific neural pathway in the brain, though this effect appears to operate differently in males and females. The findings provide a biological mechanism for how negative social environments can heighten the risk of alcohol misuse. The research was published in Nature Neuroscience.

The basolateral amygdala is an almond-shaped structure deep in the brain that processes emotions and stress. The medial prefrontal cortex is a region at the front of the brain responsible for decision-making, executive control, and evaluating rewards. Researchers know that social isolation is a major risk factor for heavy drinking, and past work laid the foundation for understanding how the brain handles these specific stressors.

For example, a 2017 study showed that signals flowing from the amygdala to the prefrontal cortex guide decisions when animals face competing reward and threat cues. Building on this, a 2020 study found that stress physically strengthens the pathway connecting the amygdala to the prefrontal cortex, increasing anxiety-like behaviors. This progression led researchers to explore whether this specific communication highway, the pathway from the basolateral amygdala to the medial prefrontal cortex, drives isolation-induced alcohol misuse and whether the effects differ by sex.

The new research was led by Reesha R. Patel, an assistant professor at Northwestern University Feinberg School of Medicine, and Kay M. Tye, a professor at the Salk Institute for Biological Studies. The scientists aimed to map exactly how social isolation alters this brain circuit to influence drinking habits.

“Social isolation is increasingly recognized as an important risk factor for problematic alcohol use, but we know surprisingly little about how social experience actually changes the brain in ways that can influence drinking,” Patel told PsyPost. “We wanted to move beyond the association between isolation and alcohol use and identify the specific neural circuit changes that could contribute to this vulnerability.”

The researchers began by observing 14 male and 11 female mice in a choice setup, where the animals had access to both water and a 15% alcohol solution. They tracked the animals’ drinking while group-housed and then over 11 days of social isolation.

The isolation produced opposite behavioral effects depending on the sex of the mouse. Isolated males progressively increased their alcohol intake, while isolated females drank less alcohol. The researchers also noted that an animal’s social rank influenced its habits, as subordinate mice of both sexes tended to drink more alcohol than dominant mice even before being isolated.

“One other interesting finding was that social rank also predicted how much the mice drank even before isolation,” Patel said. “That suggests that alcohol drinking is shaped not just by whether an animal is socially isolated, but also by its social experience more broadly. We’re interested in understanding how different aspects of the social environment influence the brain and drinking behavior.”

Next, the team examined the brain cells connecting the basolateral amygdala to the medial prefrontal cortex. They used a technique called patch-clamp electrophysiology, which uses tiny glass electrodes to measure the electrical activity of individual neurons. The electrical excitability of these specific neurons closely mirrored the drinking behaviors.

In males, social isolation increased the excitability of these connecting neurons, making them more likely to fire. In females, isolation decreased this excitability. Because only males reliably escalated their drinking during isolation, the researchers focused the rest of their experiments on male mice to isolate the biological mechanisms driving increased alcohol use.

To see how this circuit behaves in real time, the team used cellular-resolution calcium imaging. They implanted miniature microscopes to track the activity of specific neurons while the male mice participated in a cued drinking task, where a light signaled the availability of alcohol or water. The neurons strongly encoded and predicted alcohol drinking.

Higher electrical activity in this specific brain pathway was linked to a higher frequency of alcohol drinking bouts. The pathway did not show the same predictive relationship for water consumption. The scientists then tested whether activating this pathway could directly influence behavior.

They used optogenetics, a technique where neurons are genetically modified to respond to light. By shining a laser through an implanted fiber, they could manually turn on the pathway from the basolateral amygdala to the medial prefrontal cortex whenever a mouse licked the drinking spout. Activating the circuit specifically increased alcohol intake, prompting the mice to engage in longer drinking bouts and take more licks per bout.

This light stimulation did not affect how much water or sugar water the mice drank. To understand how this signal changes the brain’s broader evaluation of rewards, the team tracked the activity of downstream neurons in the medial prefrontal cortex. During social isolation, the prefrontal cortex became much more responsive to alcohol but less responsive to natural rewards like sugar water.

“One of many actually surprising findings was that isolation changed how the prefrontal cortex represented different rewards,” Patel noted. “That raises the possibility that social experience can alter the relative value the brain assigns to different rewards.”

When the researchers artificially stimulated the pathway in group-housed mice, the prefrontal cortex reacted exactly as it did in isolated mice, showing heightened responses to alcohol and dampened responses to sugar. Finally, the researchers used optogenetics to inhibit, or silence, the pathway in socially isolated male mice. Turning off this circuit reduced the number of alcohol drinking bouts the isolated mice initiated, without affecting their water consumption.

This indicates that this specific neural pathway actively drives the escalation in alcohol use following social isolation. “Social isolation does not simply make animals drink more — it changes how one specific amygdala-to-prefrontal pathway represents alcohol relative to natural rewards,” said Jun Wang, a professor in the Department of Neuroscience and Experimental Therapeutics at Texas A& M University Health Science Center, who was not involved in the research.

“That coupling is the striking part,” Wang told PsyPost. “It offers a circuit-level account of how a social risk factor gets converted into a change in what the brain treats as worth pursuing, rather than just a change in how much an animal consumes.”

“I think the biggest takeaway is that our social experiences can have very real effects on the brain,” Patel said. “Social isolation didn’t just change how much the mice drank, it changed the activity of a specific brain circuit that helped drive that increase in alcohol use. To me, that really emphasizes that our social environment is an important part of understanding vulnerability to things like excessive drinking.”

“The broader significance is that social isolation may not simply be a circumstance that accompanies increased alcohol use—it can produce biological changes in the brain that actively contribute to drinking behavior,” she explained. “Understanding those mechanisms could ultimately help explain why social isolation increases vulnerability to problematic alcohol use in some individuals and may point toward new ways of identifying or reducing that vulnerability.”

Wang noted that the study’s strength lies in pinning the behavioral change directly to this specific brain projection and demonstrating that it is both necessary and sufficient. “The sex difference is the most interesting extension,” he added. “Two opposite behavioral outcomes, one consistent circuit signature.”

He also pointed out that the social-rank findings are a “genuinely new addition, and a reminder that the relevant social variable is not only isolation.”

The findings are in line with research covered by PsyPost earlier this year, which found that social isolation increased alcohol intake and altered reward processing in the brain. However, that previous study examined the long-term effects of adolescent isolation in rats, whereas the new research focused on concurrent adult isolation in mice.

As with all research, there are some caveats to consider. Wang expressed reasonably high confidence in the findings for male mice due to the convergence of multiple methods, noting that “together they are difficult to explain away.” However, he pointed out that group sizes were typical for the field but relatively small, and that the experimental drinking model represents escalated voluntary intake, not addiction.

“Nothing here tests compulsive drinking, drinking despite negative consequences, or withdrawal, so ‘isolation causes alcohol use disorder’ is a step beyond the data,” Wang explained. Patel echoed this sentiment, emphasizing that the study relies on animal models, and human social dynamics involve far more complex psychological factors.

“I would be cautious about interpreting the study as showing that loneliness inevitably causes people to drink more,” Patel cautioned. “We experimentally manipulated social isolation in mice, which is not the same thing as the subjective experience of loneliness in humans, and we actually observed very different responses in males and females. What the study provides is evidence that social experience can directly alter neural circuits controlling alcohol-related behavior.”

The researchers and Wang both highlight the unresolved questions regarding female mice, as the exact biological reasons why female mice reduced their drinking during isolation remain unconfirmed. Wang noted that the female mice drank more at baseline, adding that “‘Males escalate, females do not’ is a statement about one mouse strain over about two weeks of isolation.” Because the mechanistic experiments were done only in males, the circuit’s exact role in females remains unknown.

The researchers note that females showed higher baseline excitability in this brain pathway compared to males, suggesting that sex-specific hormonal or physiological mechanisms dictate how these neurons adapt to stress. “One major question is why the same social experience produces such different adaptations across individuals and between males and females,” Patel said.

Wang agreed, emphasizing the need to causally test the pathway in females to see if its downstream consequences differ. He also suggested investigating which prefrontal output pathways actually carry the effect on drinking, and whether the behavioral and brain changes are reversible.

“Does returning animals to group housing normalize both the excitability change and the drinking, and is there a duration of isolation past which it does not?” Wang asked. “That question matters most for the human parallel.”

“We also want to understand the molecular mechanisms that make these circuits sensitive to social experience and whether the resulting neural changes can be reversed,” Patel added. “Ultimately, the broader goal is to understand why adverse social environments increase vulnerability to psychiatric and substance-use disorders in some individuals but not others.”

The study, “Social isolation recruits amygdala–medial prefrontal cortex projections to escalate alcohol drinking in male mice,” was authored by Reesha R. Patel, Kelly N. Kim, Makenzie Patarino, Rachelle Pamintuan, Felix H. Taschbach, Hao Li, Bitna Joo, Anna Pallé, Xianru Yu, Christopher R. Lee, Aniek van Hoek, Jesse White, Rogelio Castro, Christian Cazares, Raymundo L. Miranda, Caroline Jia, Jeremy Delahanty, Kanha Batra, Laurel R. Keyes, Avraham Libster, Romy Wichmann, Talmo D. Pereira, Marcus K. Benna, and Kay M. Tye.

URL: https://www.psypost.org/scientists-map-the-brain-pathway-that-links-social-isolation-to-increased-alcohol-consumption/

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#psychology #counseling #socialwork #psychotherapy @psychotherapist @psychotherapists @psychology @socialpsych @socialwork @psychiatry #mentalhealth #psychiatry #healthcare #depression #psychotherapist #SocialIsolation #AlcoholUse #AmygdalaToPrefrontalCircuit #Neuroscience #SexDifferences #MiceStudy #NeuralPathways #NatureNeuroscience #RewardProcessing #Optogenetics

Beyond Willpower in Addiction: 4 Powerful Lessons

We often think of addiction as a private, grueling battle of willpower.

Whether it’s a dependency on a substance, a behavior like gambling, or even an unhealthy pattern in a relationship, the prevailing narrative suggests that breaking free is a matter of pure, individual strength.

If you just try hard enough, you can overcome it. If you fail, it’s a personal failing. 

But what if this framework is fundamentally flawed? A recent, year-long study offers a more structured, hopeful, and evidence-based path to recovery.

Researchers applied a specific form of therapy, Cognitive Behavioral Therapy (CBT), to individuals struggling with a range of addictions and discovered that the right tools can do more than just help people cope; they can fundamentally transform their lives.

It’s about building a life so full and satisfying that the addiction no longer has room to thrive.

This year-long study is particularly significant because it was conducted in Kazakhstan, a region where evidence-based psychotherapy is still emerging and social stigma can be a major barrier to recovery. 

This article distills the four most impactful takeaways from this groundbreaking research. It reveals how a systematic therapeutic approach can lead to profound, measurable life changes, challenging the myth that recovery is simply a matter of gritting your teeth and pushing through. 

Lesson 1: The Change to Isn’t Small, It’s Transformative

While we might expect therapy to offer some benefit, the sheer magnitude of improvement seen in this study was extraordinary.

Participants who received Cognitive Behavioral Therapy didn’t just get slightly better; they experienced a dramatic and measurable enhancement in their overall well-being. 

The study used the World Health Organization’s Quality of Life scale (WHOQOL-BREF), which measures well-being across four key areas. The results were staggering.

On average, the experimental groups saw their quality of life scores jump from the low 40s to the mid-70s on a 100-point scale. To put that in concrete terms, participants with alcohol use disorder went from an average score of 42.31 before therapy to 74.47 after one year.

This isn’t just a number on a chart; it represents a profound shift from a life constrained by addiction to one filled with new possibilities and well-being. 

Meanwhile, the control groups, those who did not receive CBT, saw no meaningful improvement in their quality of life, with their average scores remaining essentially unchanged.

This powerful contrast repositions recovery as a genuine opportunity to build a measurably better and more satisfying life.

It’s about building a life so full and satisfying that the addiction no longer has room to thrive. 

Are you exploring your trauma? Do you feel your childhood experiences were detrimental to your current mental or physical health? Utilize this free, validated, self-report questionnaire to find out.

Take the Adverse Childhood Experience (ACE) Questionnaire

Beyond Willpower Lesson 2: The Same Tools Can Fix Different Problems

One of the most compelling aspects of the study was its breadth.

Researchers applied the same core therapeutic model, CBT, to four very different challenges:

• Alcohol use disorder
• Drug addiction
• Gambling disorder
• Codependency

The key finding was that CBT was highly effective across the board. 

For every single group that received therapy, there was a statistically significant reduction in the severity of their addiction. The data paints a clear picture of this versatility: 

• For drug addiction, the experimental group’s average severity score dropped from 7.96 (signifying harmful use) down to 3.14 (representing low-risk or minimal use). 
• For gambling disorder, the average severity score plummeted from a “severe” 39.55 to a “mild or moderate” 14.36. 

This suggests that no matter the substance or behavior, the underlying challenge is often the same: learning to recognize triggers, challenge automatic negative thoughts, and develop new, healthier coping strategies.

CBT provides a toolkit for rewiring these exact processes, effectively helping people move from a place of denial or ambivalence into decisive action and long-term maintenance. 

Do you have enough hours for your LPC renewal? Are you in need of continuing education, but bored with the current offerings? Check out Dr. Weeks’ course on Cannabis Use Disorder, and other unique courses on her practice website.

Sexual Addiction Treatment Services has been approved by NBCC as an Approved Continuing Education Provider, ACEP No. 7250. Programs that do not qualify for NBCC credit are clearly identified. Sexual Addiction Treatment Services is solely responsible for all aspects of the programs.

Lesson 3: Codependency Isn’t Just a “Relationship Problem.” It’s Treatable.

The study took the significant step of including codependency, an excessive emotional or psychological dependence on a partner, often linked to that partner’s addiction, alongside clinical addictions. While codependency is not formally classified as a standalone diagnosis in major manuals like the DSM-5-TR, the researchers recognized it as a clinically significant phenomenon that is actively addressed in rehabilitation. 

The results were a powerful validation of this approach.

The experimental group for codependency saw their average severity scores drop from a “high level” of 69.12 to a “moderate or low level” of 31.44. The control group, in stark contrast, showed no significant change.

For anyone who has felt trapped in a dynamic of supporting someone else’s addiction at the expense of their own well-being, this finding is a beacon of hope. 

This is a crucial takeaway.

It frames the struggle of codependency not as a character flaw or an intractable relationship dynamic, but as a treatable condition. It offers empowerment and a clear path toward building greater independence, self-esteem, and healthier relationship dynamics. 

Beyond Willpower Lesson 4: Recovery Isn’t Just Stopping, It’s a Total Life Upgrade

The study’s design was brilliant in its simplicity: it measured success in two ways. It tracked the reduction of the negative (addiction severity) and the increase of the positive (overall quality of life). The results showed that these two things are deeply intertwined. 

The “quality of life” assessment wasn’t a vague feeling of happiness; it was a concrete evaluation of four essential domains of life: 

• Physical Health: Including energy and fatigue, quality of sleep, and even physical mobility. 
• Psychological Health: Covering everything from positive feelings and self-esteem to the ability to concentrate and learn new things. 
• Social Relationships: Examining the quality of personal relationships, the strength of social support networks, and even sexual activity. 
• Environment: Looking at practical, real-world factors like financial security, physical safety, the comfort of one’s home, and access to healthcare. 

The participants who underwent CBT saw significant improvements across all of these areas. This demonstrates that effective treatment doesn’t just happen in a therapist’s office. It radiates outward, improving every facet of a person’s existence.

True recovery, as this study shows, is about building a life that is so robust and fulfilling that the old addictive behaviors no longer hold the same power or appeal. 

Conclusion: A New Framework for Change

The findings from this study in Kazakhstan provide a powerful, evidence-based roadmap for recovery that moves far beyond the limited concept of willpower.

It shows that addiction, in its many forms, is not a moral failing but a condition that responds remarkably well to structured, compassionate, and science-backed intervention. 

By focusing on cognitive and behavioral strategies, individuals can achieve not just abstinence, but a transformative and holistic improvement in their lives. The tools exist, the evidence is clear, and the potential for change is immense.

This research leaves us with a vital question to consider: 

If we can treat these complex issues so effectively, what does that change about how we should approach mental health and personal growth in our own lives? 

Are you a professional looking to stay up-to-date with the latest information on, sex addiction, trauma, and mental health news and research? Or maybe you’re looking for continuing education courses? Then you should stay up-to-date with all of Dr. Jen’s work through her practice’s newsletter!

Do you feel your sexual behavior, or that of someone you love, is out of control? Then you should consult with a professional.

Are you looking for more reputable data-backed information on sexual addiction? The Mitigation Aide Research Archive is an excellent source for executive summaries of research studies.

#addiction #addictionRecovery #addictionTreatment #alcoholAbuse #alcoholRecovery #alcoholUse #alcoholUseDisorder #cbt #cognitiveBehavioralTherapy #drugAbuse #drugAddiction #drugAddictionRecovery #drugUse #evidenceBasedTherapy #gambling #gamblingAddiction #kazakhstan #therapyOutcomes #willpower

Is #SubstanceAbuse Worse in the #Summer? Here’s the Data

The summer months have long been linked to #drug and #alcoholuse, in part due to more social events, #outdoor #festivals, and #heat-related #stress.

https://goodmenproject.com/featured-content/is-substance-abuse-worse-in-the-summer-heres-the-data/

Alcohol use disorder may exacerbate Alzheimer’s disease through shared genetic pathways https://www.psypost.org/alcohol-use-disorder-may-exacerbate-alzheimers-disease-through-shared-genetic-pathways/?utm_source=dlvr.it&utm_medium=mastodon #AlzheimersDisease #AlcoholUse #MentalHealth #Neuroscience #Genetics

High school IQ predicts alcohol use patterns in midlife, study finds https://www.psypost.org/high-school-iq-predicts-alcohol-use-patterns-in-midlife-study-finds/?utm_source=dlvr.it&utm_medium=mastodon #HighSchoolIQ #AlcoholUse #Midlife #DrinkingHabits #Intelligence

WHO lobbies EU lawmakers over watering down alcohol cancer risk https://www.euractiv.com/section/diabetes-cancer-hepatitis/news/who-lobbies-eu-lawmakers-over-watering-down-alcohol-cancer-risk/?utm_source=dlvr.it&utm_medium=mastodon #alcoholconsumption #alcoholuse #beatingcancerplan #cancer

WHO lobbies EU lawmakers over watering down alcohol cancer risk https://www.euractiv.com/section/diabetes-cancer-hepatitis/news/who-lobbies-eu-lawmakers-over-watering-down-alcohol-cancer-risk/?utm_source=dlvr.it&utm_medium=mastodon #alcoholconsumption #alcoholuse #beatingcancerplan #cancer

Having a larger central family social network (children, parents, in-laws) lowers the odds of having healthy lifestyle factors—favorable body mass index, adequate physical activity, good diet, limited alcohol use, not smoking among US Hispanics/Latinx adults.

https://www.ncbi.nlm.nih.gov/pubmed/31350713

@uncpopcenter #NICHDImpact #Family #Health #Smoking #AlcoholUse #Social

Young people who lived with an unmarried (single or cohabiting) mother during early childhood and adolescence were more likely to drink and reported more depressive symptoms by age 14 than those with a married mother.

https://www.ncbi.nlm.nih.gov/pubmed/36796997

#NICHDImpact #AlcoholUse #Adolescence #Family

What can #psychometrics offer for #CrossCultural research? Why is simply translating questionnaires rarely enough for international research efforts?

#SysReview published last week excellently illustrates the #interdisciplinary problems:
https://onlinelibrary.wiley.com/doi/full/10.1111/dar.13715 measuring #AlcoholUse

Two other examples I like a lot:
https://pubmed.ncbi.nlm.nih.gov/26319270/ in #Dementia
and
https://www.pnas.org/doi/10.1073/pnas.1721166115 for broader #BehaviouralScience issues.

#TranslationIsNotEnough #HRQL #GlobalHealth #GlobalMentalHealth

The Skeptics Guide #937: 07-24-23 - THE SKEPTICS' GUIDE TO THE UNIVERSE - News Items: Neuroforecasting, Coastal Erosion, Milky Way's Supermassive Blackhole, Aliens in Vegas, Alcohol Use Disorder; Who's That Noisy; Your Questions and E-mails: Latitude and Daylight, Debating RFK Jr.; Science or Fiction - https://overcast.fm/+LcDAh5lOc #SGU #SkepticsGuide #NowPlaying #podcasts #ScientificSkepticism #ScienceBasedSkepticism #MilkyWay #AlcoholUse #ScienceOrFiction #WhosThatNoisy #blackholes #Aliens #NotACon

The increase in alcohol and illicit substance abuse during the COVID-19 pandemic was related to increased depression, anxiety and household disruption, particularly among teens.

https://www.ncbi.nlm.nih.gov/pubmed/34938846

#NICHDImpact #Covid19 #Alcohol #AlcoholUse #SubstanceUse #SubstanceAbuse #Depression #Anxiety

Ben Nelson-Roux and Chris Nota: Two tragic tales of systemic failings

https://emergentdivergence.com/2022/09/15/ben-nelson-roux-and-chris-nota-two-tragic-tales-of-systemic-failings/

#MentalHealthTreatmentRights #creatingautisticsuffering #attentionhyperactivity #multi-agencyfailure #psychoactivedruguse #AutisticCommunity #actuallyautistic #systemicfailure #AutisticRights #MentalHealth #substanceuse #Healthcare #alcoholuse #alcoholism #Psychosis #autistic #Society #alcohol #Trauma #Autism