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The human brain is immensely complex, comprising billions of neurons and trillions of neuronal connections. It is the behavior of neurons that produces our thoughts, feelings, and actions. But understanding how the activity of neurons and their organization into circuits can. . . Read More

Surgeons often train on simulation platforms before they perform operations on actual patients. In a new study, researchers used noninvasive brain imaging as a way to objectively determine if trainees had achieved the necessary motor skills for surgery. Read the whole story at. . . Read More

Alzheimer’s disease is a devastating neurodegenerative disorder, characterized by the buildup in the brain of amyloid plaques containing the amyloid β (Aβ) peptide. Currently, the disease can only be diagnosed with certainty upon detailed postmortem examination of the brain.. . . Read More

The human gut is home to an abundant and diverse community of microbes—each of us carries roughly 100 trillion, representing more than 1,000 different species. The composition of one’s gut microbiota is individually specific, dynamic, and influenced by genetics, diet, age,. . . Read More

Suicide is a major public health concern and the second-leading cause of death among young adults in the U.S. Predicting who is at risk for suicide has been difficult, but new research suggests that suicidal individuals could be identified by signatures of brain activity. In a. . . Read More