A team of neuroscientists at the School of Medicine at UCLA have demonstrated that they can strengthen memory in human patients by stimulating the entorhinal cortex. While studying patients with electrodes implanted in their brains, the researchers used a video game to test whether deep-brain stimul
In an effort to better understand why fruit flies are immediately attracted to our food, a team of scientists developed a device, called Flywalk, to measure the response of insects to odor signals. Researchers discovered males and females of the same species were attracted to different odors and tha
Could help determine which patients are likely to benefit from new Alzheimer’s drugs. A newly developed blood test for Alzheimer’s disease not only aids in the diagnosis of the neurodegenerative condition but also indicates how far it has progressed, according to a study by researchers at Washington University School of Medicine in St. Louis and Lund University in Sweden.
Several blood tests for Alzheimer’s disease are already clinically available, including two based on technology licensed from WashU. Such tests help doctors diagnose the disease in people with cognitive symptoms, but do not indicate the clinical stage of the disease symptoms — that is, the degree of impairment in thinking or memory due to Alzheimer’s dementia. Current Alzheimer’s therapies are most effective in early stages of the disease, so having a relatively easy and reliable way to gauge how far the disease has progressed could help doctors determine which patients are likely to benefit from drug treatment and to what extent. The new test can also provide insight on whether a person’s symptoms are likely due to Alzheimer’s versus some other cause.
The study is published March 31 in Nature Medicine.
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A new USC study suggests that gut imbalances in children with autism may create an imbalance of metabolites in the digestive system—ultimately disrupting neurotransmitter production and influencing behavioral symptoms.
The research, published in Nature Communications, adds to a growing body of science implicating the “gut-brain” axis in autism. The discovery raises the possibility of new treatment avenues. It’s an example of how research at USC, and other universities, drives innovation and leads to discoveries that improve lives.
“We demonstrated that gut metabolites impact the brain, and the brain, in turn, affects behavior. Essentially, the brain acts as the intermediary between gut health and autism-related behaviors,” said first author Lisa Aziz-Zadeh, a professor at the Brain and Creativity Institute at the USC Dornsife College of Letters, Arts and Sciences.