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Magic Mushrooms Could Help Curtail Depression

By: Ryan O’hare of Imperial College London

The findings come from a study in which researchers from Imperial College London used psilocybin – the psychoactive compound that occurs naturally in magic mushrooms – to treat a small number of patients with depression in whom conventional treatment had failed.

In a paper, published in the journal Scientific Reports, the researchers describe patient-reported benefits lasting up to five weeks after treatment, and believe the psychedelic compound may effectively reset the activity of key brain circuits known to play a role in depression.

Comparison of images of patients’ brains before and one day after they received the drug treatment revealed changes in brain activity that were associated with marked and lasting reductions in depressive symptoms.

The authors note that while the initial results of the experimental therapy are exciting, they are limited by the small sample size as well as the absence of a control group – such as a placebo group – to directly contrast with the patients.

Dr Robin Carhart-Harris, Head of Psychedelic Research at Imperial, who led the study, said: “We have shown for the first time clear changes in brain activity in depressed people treated with psilocybin after failing to respond to conventional treatments.

“Several of our patients described feeling ‘reset’ after the treatment and often used computer analogies. For example, one said he felt like his brain had been ‘defragged’ like a computer hard drive, and another said he felt ‘rebooted’.

“Psilocybin may be giving these individuals the temporary ‘kick start’ they need to break out of their depressive states and these imaging results do tentatively support a ‘reset’ analogy. Similar brain effects to these have been seen with electroconvulsive therapy.”

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