Brain

Octopuses Dream in ‘GIFs,’ New Experiment Suggests

Octopuses Dream in ‘GIFs,’ New Experiment Suggests

Two years ago, a PBS documentary video showed an octopus named Heidi in what appeared to be an active dream state. Her arms twitched as she slumbered, and her skin flipped wildly through all sorts of alien textures. Most dramatically, however, the cephalopod changed colours, flashing in greens and reds…

How Does It Feel to Get Ketamine Therapy?

How Does It Feel to Get Ketamine Therapy?

Among the recreational drugs currently entering the psychiatric mainstream (MDMA, LSD, etc.), ketamine is something of an outlier. Most people have a rough idea of what “acid” or “molly” are supposed to do, even if they’ve never tried them. Ketamine, meanwhile, remains — outside of a committed sect — an…