Key points from article :
Technology demonstration released a drug inside cockroaches in response to a person’s brain activity.
Nanorobots built out of DNA form shell-like shapes that can hold and lock in drugs – lock is released by electromagnetic radiation.
Human subject wore EEG cap and was able to switch on electromagnetic coil by thought alone – triggering drug release in cockroaches.
Future miniaturisation could enable mental health patients to wear a hearing aid-like EEG device to monitor brain activity and detect when drugs are needed.
The study was published in the PLOS ONE journal.