Source: Frontiers.

Researchers combined measurements of drawing speed and pen pressure to diagnose Parkinson’s disease severity.

Researchers in Australia asked volunteers to draw a spiral on a sheet of paper. By analyzing how long it took them to draw the spiral and how hard they pressed on the paper with the pen, the team could not only tell which volunteers had Parkinson’s disease, they could also tell how severe it was.

Parkinson’s disease is a neurodegenerative disorder that causes shaking, muscle rigidity and difficulty with walking. Many treatment options for Parkinson’s are only…