Neuroscience

Dopamine signals the value of delayed rewards

Dopamine is the chemical messenger in the brain most closely associated with pleasure and reward. Recent scientific advances now shed light on precise roles for dopamine in the reward process.

Autism spectrum disorders

Genetic analysis says no such thing as 'pure autism'

The search for genes that contribute to the risk for autism has made tremendous strides over the past 3 years. As this field has advanced, investigators have wondered whether the diversity of clinical features across patients ...

Alzheimer's disease & dementia

Beta secretase inhibitors to treat Alzheimer's disease

With each new amyloid-targeting treatment for Alzheimer's disease that has been developed, there has been a corresponding concern. For example, antibodies targeting amyloid-β peptide (Aβ) produce inflammation in the brain ...

Psychology & Psychiatry

How do anorexics control their appetite?

Many adults, regardless of their weight, resolve to avoid fatty foods and unhealthy desserts. But despite one's best intentions, when the moment for decision comes, that chocolate lava cake is often too enticing and self-control ...

Psychology & Psychiatry

Antibodies to brain proteins may trigger psychosis

Antibodies defend the body against bacterial, viral, and other invaders. But sometimes the body makes antibodies that attack healthy cells. In these cases, autoimmune disorders develop.

Psychology & Psychiatry

Brain stimulation may hold key to treating anxiety

Researchers at The University of Western Australia have found that that brain stimulation may help retrain unhelpful cognitive habits associated with anxiety and depression. The paper was published today in the international ...

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