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Estrogen Shapes Sex Differences in the Developing Brain
Early in life estrogen shapes the developing brain, setting the stage for energy balance, mood, and behavior throughout life. Researchers mapped the genes controlled by the estrogen receptor in the developing and adult mouse brain, showing that these genes coordinate sex differences in neural circuits.
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Parkinson’s Gene and Vocal Issue Link Could Lead to Earlier Diagnosis
One of the earlier symptoms of Parkinson's is vocal-related issues and a team has identified a Parkinson's-associated gene that may cause them, potentially enabling earlier diagnosis.
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New Peptide Ratio Might Give Clues to Alzheimer's Onset
A pair of new studies has identified that the onset of Alzheimer's disease is linked to the ratio of short to long amyloid peptides produced in their brain.
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The Teenage Brain Shifts To Shut Out Mom's Voice
Around age 13, kids’ brains shift from focusing on their mothers’ voices to favor new voices, part of the biological signal driving teens to separate from their parents, a Stanford Medicine study has found.
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Severe COVID-19 Could Age the Brain 20 Years
Researchers have identified that patients with severe COVID-19 may experience cognitive loss equivalent to 20 years of aging, with effects lasting more than six months after illness.
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Dopamine Circuit That Controls Cocaine Relapse Identified
New research from the University of California, Irvine, finds that drug withdrawal-induced anxiety and reinstatement of drug seeking behaviors are controlled by a single pathway in the brain and centered around dopamine cells.
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Finding Your Parked Car Requires a Newly Discovered Brain Circuit
According to research, mice make use of a unique long-distance connection in the brain that prompts them to pay attention to the most salient features when exploring a new environment.
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Weight Loss Success Associates With Brain Network Activity
Scientists at Wake Forest University School of Medicine have shown that two specific networks in the brain can strongly influence how successful a person will be when trying to lose weight.
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Alzheimer's Biomarker Study Prompts Brain Supplement Warning
Elevated levels of an enzyme called PHGDH in the blood of older adults could be an early warning sign of Alzheimer’s disease, suggests a new study that also prompts caution against the use of dietary supplements that contain the amino acid serine as a remedy for Alzheimer’s disease.
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Revealing How Ritalin Sharpens Attention
New research is investigating how Ritalin, used to manage ADHD, affects the activity of neurons. The approaches used in this work could help find novel uses for drugs already on the market.
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