Why Desktops Are Often Easier for Older Adults Than Touchscreens
Modern capacitive touchscreens require two physical prerequisites often taken for granted: sufficient skin moisture to conduct electrical charge across the digitizer grid, and fine motor stability to jab a precise target on a smooth, frictionless plane of glass. With normal aging, natural reductions in skin moisture can render taps literally unread by capacitive sensors. Furthermore, mild physiological tremors cause fingertips to slide or land outside standard 44px buttons.
Conversely, desktop computers shift pointing from delicate individual finger joints to gross motor muscle groups (the palm, wrist, and forearm resting stably on a desk). The physical mouse provides tactile mechanical clicks, physical friction, resting palm support, and large readable monitors, avoiding fingerprint smearing, frustrating miss-taps, and visual obstruction.