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How do natural disasters shape the behavior and social networks of rhesus macaques?


How do natural disasters shape the behavior and social networks of rhesus macaques?
A team of researchers from Penn, the University of Exeter, and elsewhere found that after Hurricane Maria monkeys on the devastated island of Cayo Santiago formed more friendships and became more tolerant of each other, despite fewer resources.
A team of researchers led by Penn neuroscientist Michael Platt had been studying a colony of rhesus macaques on Cayo Santiago, a small Puerto Rican island, for a decade when Hurricane Maria hit. The island had been devastated. A massive effort by the team on the ground allowed the work to get back up and running, putting the researchers in a unique position to study how the monkeys’ behavior may have changed in response to an acute natural disaster. (Image: Lauren Brent) ....

Puerto Rico , United States , Lauren Brent , Camille Testard , Michael Platt , Royal Society Grant , University Of Puerto Rico , Perelman School Of Medicine , Jamess Riepe University Professor , Wharton School , University Of Washington , York University , University Of Exeter , Arizona State University , Exeter Centre For Research , National Science Foundation Grant , School Of Arts Sciences , Penn Perelman School Of Medicine , University Of Pennsylvania , National Institutes Of Health Grants , University Of Roehampton , Hurricane Maria , Cayo Santiago , Perelman School , New York University , National Institutes ,

LSU health research suggests new mechanism to balance emotional behavior


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New Orleans, LA - Research led by Si-Qiong June Liu, MD, PhD, Professor of Cell Biology and Anatomy at LSU Health New Orleans School of Medicine, discovered a surprising reciprocal interaction between chemicals in the brain resulting in accelerated loss of molecules that regulate brain cell communication. The research team s findings are published online in
Nature Communications, available here.
Working in a rodent model, the researchers showed that the release of Gamma-Aminobutyric acid (GABA), an amino acid that acts as a neurotransmitter, hastens the breakdown of endocannabinoids in the brain. Endocannabinoids are naturally produced molecules that regulate how brain cells communicate, and their dysfunction can lead to neurological disorders. Endocannabinoids are produced on-demand and are removed when they are no longer needed. The researchers found that GABA upsets this delicate balance. Endocannabinoids are critically involved in several aspects of e ....

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