A study in cocaine-addicted rats reports long-lasting increases in the number of neurons that produce orexin—a chemical messenger important for sleep and appetite—that may be at the root of the addiction. The study, performed ...
Sep 12, 2018
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207
A study in adolescent girls reports that recent life events impact depressive symptoms differently, depending on how the brain responds to winning and losing. A strong brain response to winning boosted the beneficial impact ...
Sep 6, 2018
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0
Investigators at the UC Davis MIND Institute and NeuroPointDX, a division of Stemina Biomarker Discovery, have identified a group of blood metabolites that could help detect some children with autism spectrum disorder (ASD). ...
Sep 6, 2018
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86
Heavy alcohol drinkers attempt to acquire alcohol despite the threat of a negative consequence more so than light drinkers, a study in Biological Psychiatry: Cognitive Neuroscience and Neuroimaging has found, and this behavior ...
Aug 21, 2018
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14
High maternal levels of the stress hormone cortisol during pregnancy increase anxious and depressive-like behaviors in female offspring at the age of 2, reports a new study in Biological Psychiatry. The effect of elevated ...
Aug 16, 2018
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10
Chronic, frequent tobacco smokers have a decreased number of cannabinoid CB1 receptors, the "pot receptor", when compared with non-smokers, reports a study in Biological Psychiatry.
Aug 15, 2018
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1235
As Alzheimer's disease progresses, neuron loss leads to marked lateral asymmetries in brain structure. A new LMU study has now identified genetic variants that promote the emergence of asymmetrical brain atrophy in Alzheimer's ...
Jun 29, 2018
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3
A study in Biological Psychiatry has identified unique genetic changes in the brain's reward circuitry that are associated with cocaine use, including first-time use, withdrawal, and re-exposure to the drug after prolonged ...
May 31, 2018
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5
Biological Psychiatry has published a new study revising the outdated estimates of the prevalence of eating disorders in the United States (US). The new estimates were based on a nationally-representative sample of 36,309 ...
May 30, 2018
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71
People with a family history of alcohol use disorder (AUD) release more dopamine in the brain's main reward center in response to the expectation of alcohol than people diagnosed with the disorder, or healthy people without ...
May 23, 2018
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