• Professor of Psychiatry, UNSW & Black Dog Institute, UNSW
Evidence isn’t always as straightforward as it might first seem. Mai Lam/The Conversation NY-BD-CC

Trust Me, I’m An Expert: Brain‑zapping, the curious case of the n‑rays and other stories of evidence

Brain-zapping, the curious case of the n-rays and other stories of evidence The Conversation, CC BY70.4 MB (download)
You've had an x-ray before but have you had an n-ray? Of course not, because they're not real. But people used to think they were. Today, on Trust Me, I'm an Expert, we're bringing you stories on the theme of evidence.
Trials show ketamine acts more quickly than other antidepressants because it affects different parts of the brain. JLM Photography

Special K: ketamine’s road from tranquilliser to possible antidepressant

The drug ketamine has been used for medical purposes since it was developed in the 1960s, but it is perhaps more widely known for its illicit use as a hallucinogenic tranquiliser. Now we’re beginning to…
Gentle electrical stimulation of the brain can help with depression and maybe also boost attention. Flickr/Rohan Phillips

Electrical stimulation of the brain is a safe treatment for depression

The use of weak electrical currents to stimulate the brain is a safe treatment for depression and might even improve attention and reduce pain elsewhere in the body, an Australian study has found. Medical…

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