Microsoft shows off watch that quiets Parkinson's tremors.

Microsoft shows off watch that quiets Parkinson's tremors. The video showed Lawton trying to draw a square with her shaky right hand, and then again, wearing Emma. Watson erupts in tears as she calls her mother to say this is the first time she's been able to write her name in ages. Working with graphic designer and Parkinson's sufferer Emma Lawton, 32, the researchers developed a watch — which they named Emma — that, according to Microsoft, "vibrates in a distinctive pattern to disrupt the feedback loop between brain and hand." more