Isolation Drives Alcohol Use in Male Mice
Scientists discovered a neural mechanism in mice linking social isolation to increased alcohol consumption, with male mice showing heightened alcohol intake after one week of isolation due to changes in brain circuits involving the amygdala and prefrontal cortex.
Consensus
- Social isolation in mice leads to increased alcohol consumption in males.
- The study was published in Nature Neuroscience.
- The research involved experiments on mice exposed to isolation for 11 to 14 days.
- A neural pathway between the basolateral amygdala and medial prefrontal cortex was identified as key to the behavior.
- Artificial activation of this neural pathway increased alcohol consumption, while suppression reduced it.
- Female mice showed decreased alcohol consumption after isolation.
- Isolated male mice lost interest in sweet water after alcohol exposure.
- Stimulating the neural pathway in socially stable mice caused them to lose interest in sugar and increase alcohol intake.
- Mice that lost dominance in social interactions drank more alcohol.
Points of divergence
- The study was conducted by researchers from the Salk Institute in California, together with colleagues from Northwestern University and the University of California, San Diego. — tg_echoonline_news
- The isolation period lasted 14 days in the experiment. — riamo
- The mechanism was confirmed only in mice, not yet in humans. — tg_echoonline_news
- The alcohol solution used was 15% ethanol. — riamo
- The study found that mice losing dominance in social interactions drank more alcohol to cope with stress. — riamo
Coverage (2 sources)
- Scientists have determined why loneliness can lead to increased alcohol consumption — ЭХО / Новости
- Drunk after a week: loneliness drove male mice to alcoholism — РИАМО