How would you feel about someone placing an implant in your brain?

Well, it's less science fiction and now increasingly a reality.

Today, on Business Daily with me, Jane Wakefield, on the BBC World Service,

I'll be asking if chips in brains could ever become a commonplace procedure. And I'll be hearing how the

big tech firms are betting on a future with human enhancement at its heart. What would be wrong

with having more brain power? I would certainly like to have more brain power from time to time.

This is not getting a flu shot or getting a tattoo. This is a brain implant. Business Daily

from the BBC. Some 180,000 people around the world have brain implants for conditions such as Parkinson's disease, epilepsy and even obsessive

compulsive disorder. Take Matt Eagles, who has been living with an implant for years. He explains.

I've had juvenile onset Parkinson's disease now for 43 years. I've been told I've got a good version

of Parkinson's, if you can call it,

Parkinson's good at all. Twelve years ago now, 12 years ago in September, I had deep brain

stimulation because the medication was simply not working adequately enough for me. And it's

really, really helped. It's enabled me to do a lot of things

that perhaps I wouldn't have been able to do had I not have the surgery. And those electrodes are

attached via a wire to a pulse generator within my chest and to communicate with each other

and disrupt the electrical signals in my brain and help me to walk properly. So describe how it has changed your life?

It's quite an easy one, this really.

It's given me my dignity back.

I know that sounds a strange thing to say,

but when you struggle to turn over in bed at night,

which people take for granted,

...