Brain Pathway Of Depression In Rats Discovered
‘Scientists’ hunt for the cause of depression has implicated so many suspects and found so many treatments with different mechanisms that the condition remains an enigma. Now researchers at the Stanford University School of Medicine have identified one unifying principle that could explain how a range of causes and treatments for depression converge.
They found that in rats the differing mechanisms of depression and its treatment in the end appear to funnel through a single brain circuit. Changes in how the electrical signals spread through the circuit appear to be the cause of depression-related behavior, according to their study.
“I think this will help us make sense of how there can be so many different causes and treatments of depression,” said senior author Karl Deisseroth, MD, PhD, assistant professor of bioengineering and of psychiatry and behavioral sciences. “It also helps us understand conceptually how something that seems as hard to get traction on as depression can have a really quantitative, concrete basis.”‘
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