Schizophrenia: New Electronic Application May Help
sciencedaily.com
sciencedaily.com
So whenever they hear a voice they can make sure the display matches up. If they hear a voice but the display doesn't show anything then they know it's not real.
Having somebody close to me who is affected by schizophrenia, I am hopeful that new, different treatments can help. The worst part is the lack of objective measure of reality for the suffer. It can be horribly frightening for them.
As SoftwareMaven explains below, many schizophrenics experience visual hallucinations in addition to aural hallucinations, but this doesn't seem like a huge stumbling block.
Bigger, I think, is the paranoia aspect. If you really, truly believe the plants in and outside your house are vampires who are waiting to kill you (true story, unfortunately) I can't imagine you're going to put too much faith into your wristband.
According to psychology field, there is no medicine for this kind of problem. So I hope that this new discovery will help.