After just 6 weeks of antidepressant therapy, regardless of modality, brain connectivity is increased in patients with major depressive disorder in line with symptom improvement, new research suggests.
A single dose of nicotine equivalent to one cigarette appears to block estrogen production in an area of the brain linked to addiction, suggests a small, innovative study conducted in healthy women.
The central vein sign is an emerging neuroimaging biomarker for multiple sclerosis that may reduce the need for lumbar puncture to detect oligoclonal bands in CSF, a pilot study shows.