Timed keyboard taps will use online website Braintaptest.com to quantify number of alternate taps from key "S" to key ";" using a conventional QWERTY (keyboard layout) keyboard in a 30 second period with each hand in turn. The software is validated and records number of key strokes, dwell time, accuracy & rhythmicity in an automated fashion, is freely available online, allows for coded repeatable assessments which are pseudo-anonymised, and date/time stamped.