Psychology & Psychiatry

Psychedelics: How they act on the brain to relieve depression

Up to 30% of people with depression don't respond to treatment with antidepressants. This may be down to differences in biology between patients and the fact that it often takes a long time to respond to the drugs—with ...

Psychology & Psychiatry

Effects of stress on adolescent brain's 'triple network'

Stress and trauma during adolescence can lead to long-term health consequences such as psychiatric disorders, which may arise from neurodevelopmental effects on brain circuitry. A new study in Biological Psychiatry: Cognitive ...

Neuroscience

Multiple concussions can disrupt brain connectivity in teens

Adolescents and young adults with post-concussive symptoms who suffered three to five concussions showed disruption in the default mode network, an interconnected network of brain regions involved in wakeful rest and internal ...

Medications

A first look at how the drug salvinorin A works in the brain

Recent interest in developing therapies from hallucinogenic drugs has scientists exploring how these chemicals work in the brain. Recently, Johns Hopkins Medicine researchers imaged the brains of people who had vaped salvinorin ...

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