Medications

The struggle to define psychedelics

Psychoactive drugs include all manner of hallucinogens, deliriants, hypnotics and psychedelics. But what is a psychedelic, really? Insofar as many in the field are now moving toward bringing new molecules with presumably ...

Neuroscience

Using light instead of electricity in cochlear implants

A team of researchers affiliated with multiple institutions in Germany has developed a cochlear implant that converts sound waves to light signals instead of electrical signals. In their paper published in the journal Science ...

Neuroscience

Had enough water? Brain's thirst centers make a gut check

Water bottles are everywhere these days, along with all kinds of advice about exactly how much water you should be drinking. But how does your brain actually know when you've had enough and can stop feeling thirsty? A new ...

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