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Humans, like all social animals, have a fundamental need for contact with others. This deeply ingrained instinct helps us to survive; it's much easier to find food, shelter, and other necessities with a group than alone.

Researchers find changes in 2 key brain chemicals in patients with the most common type of this disorder.

Researchers have identified a drug that targets the first step in the toxic chain reaction leading to the death of brain cells, suggesting that treatments could be developed to protect against Alzheimer's disease, in a similar way to how statins are able to reduce the risk of developing heart disease.

Why do we remember some events, places and things, but not others? Our brains prioritize rewarding memories over others, and reinforce them by replaying them when we are at rest, according to new research from the University of California (UC), Davis, Center for Neuroscience, published in the journal Neuron.

Use of human-derived structures could allow for better research and reduce animal testing.

Activity-dependent neuroprotective protein (ADNP), essential for brain formation, is frequently mutated in children on the autism spectrum. In older men and women, ADNP expression in the blood is correlated with cognition and further altered in Alzheimer's disease.

A clinical trial of an experimental drug for treatment-resistant major depression finds that modulation of the endogenous opioid system may improve the effectiveness of drugs that target the action of serotonin and related monoamine neurotransmitters.

Members of neuroscientist Cori Bargmann's Rockefeller University lab spend quite a bit of their time watching worms move around. These tiny creatures, Caenorhabditis elegans, feed on soil bacteria, and their very lives depend on their ability to distinguish toxic microbes from nutritious ones.

In the ongoing fight against drug addiction, researchers from the University of Pennsylvania's School of Nursing and Perelman School of Medicine have discovered a unique application for an American Food and Drug Administration (FDA)- approved drug currently used for obese patients and type 2 diabetics: treatment for cocaine dependence.

Researchers have devised several lipid-based diets aimed at slowing down progression and relieving symptoms of Alzheimer's disease.