White matter changes in brain found in frontotemporal dementia

Areas of brain damage called white matter hyperintensities are commonly linked to vascular health problems. They have also been linked to Alzheimer’s disease. Now a new study has shown that white matter hyperintensities are also found in frontotemporal dementia. The study is published in the February 17, 2021, online issue of Neurology. Frontotemporal dementia, which often affects people under the […]

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Noninvasive brain stimulation rescues cocaine-induced inflexibility in rats

A major impediment to treatment of substance use disorder (SUD) is a loss of behavioral flexibility, whereby one’s judgment is impaired such that their actions continuously result in negative consequences. Such decisions include continuing to use drugs, but this inflexibility extends to other areas of life and can continue even well into abstinence from drug use. Previous research in animals […]

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Study explains why antipsychotic medications lead to weight gain, promote metabolic syndrome

Why do patients who receive antipsychotic medications to manage schizophrenia and bipolar disorder quickly gain weight and develop prediabetes and hyperinsulemia? The question remained a mystery for decades, but in a paper published today in Translational Psychiatry, researchers from the University of Pittsburgh School of Medicine finally cracked the enigma. Antipsychotic drugs, scientists showed, not only block dopamine signaling in […]

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Alien Cells May Explain COVID ‘Brain Fog’

The long-term neurologic symptoms such as “brain fog” experienced by some patients with COVID-19 may be caused by a unique pathology — the occlusion of brain capillaries by large megakaryocyte cells, a new report suggests. The authors report five separate post-mortem cases from patients who died with COVID-19 in which large cells resembling megakaryocytes were identified in cortical capillaries. Immunohistochemistry […]

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New combination treatment approach improves overall survival in mice with glioblastoma

Findings In a study of mice, researchers at the UCLA Jonsson Comprehensive Cancer Center have identified a new approach that combines an anti-psychotic drug, a statin used to lower high cholesterol levels, and radiation to improve the overall survival in mice with glioblastoma. Glioblastoma is one of the deadliest and most difficult-to-treat brain tumors. Researchers found the triple combination extended […]

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Synchronization of brain hemispheres changes what we hear

Most of the time, our brain receives different input from each of our ears, but we nevertheless perceive speech as unified sounds. This process takes place through synchronization of the areas of the brain involved with the help of gamma waves, neurolinguists at the University of Zurich have now discovered. Their findings may lead to new treatment approaches for tinnitus. […]

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Automated imaging detects and tracks brain protein involved in Alzheimer’s disease

Amyloid-beta and tau are the two key abnormal protein deposits that accumulate in the brain during the development of Alzheimer’s disease, and detecting their buildup at an early stage may allow clinicians to intervene before the condition has a chance to take hold. A team led by investigators at Massachusetts General Hospital (MGH) has now developed an automated method that […]

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What is Krabbe disease?

Krabbe disease is also known by many other names, these include Globoid cell leukodystrophy, Galactosylcerebrosidase deficiency and Galactosylceramidase deficiency. (1, 4) It is a very rare condition that is caused by a genetic defect that affects the nervous system. (2) Types of Krabbe disease There are two main types of Krabbe disease: early-onset (infantile) Krabbe disease late-onset (juvenile- or adult-onset) […]

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uses of bupropion

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