MeSH tree: A08.186.211.200.885.287.249.487.775
The nucleus accumbens is a tiny element of the human brain triggered when we experience something enjoyable, and used to help us learn behaviors that lead to rewards. A new study has shown for the first time that its influence ...
Nov 27, 2025
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Researchers at Karolinska Institutet in Sweden have identified a brain circuit that can drive repetitive and compulsive behaviors in mice, even when natural rewards such as food or social contact are available. The study ...
Nov 21, 2025
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Deep brain stimulation—implants in the brain that act as a kind of "pacemaker"—has led to clinical improvements in half of the participants with treatment-resistant severe depression in an open-label trial.
Nov 18, 2025
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Decision-making, the process through which humans choose between different available options, has been the topic of countless neuroscience, psychology and behavioral science studies. This process does not only include the ...
A new UC Berkeley study shows that the so-called love hormone oxytocin is also critical for the formation of friendships. The paper is published in the journal Current Biology.
Aug 11, 2025
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A new study led by researchers at the Marshall University Joan C. Edwards School of Medicine reveals that flavor additives commonly used in e-cigarettes may increase the likelihood of vaping behavior in adolescents—even in ...
Jul 18, 2025
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A new study published in Proceedings of the National Academy of Sciences reveals that chronic exposure to artificial light at night (LAN) can trigger depression-like behaviors by activating a specific neural pathway in the ...
Jun 17, 2025
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Studies have linked the high consumption of ultra-processed foods with multiple diseases, including diabetes, cardiovascular and cerebrovascular disease, and dementia. A recent international study explored the connection ...
Jun 11, 2025
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Cocaine, a drug of abuse, activates just a portion—10% to 20%—of the neurons in the brain's nucleus accumbens, a critical region linked to motivation and addiction. Though small in numbers, this activated neuronal population ...
Jun 9, 2025
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A new study from Emory University has identified a biological connection between inflammation and deficits in motivation in individuals with schizophrenia, offering new hope for treating symptoms that have long been resistant ...
May 16, 2025
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