Many of senior generations don’t use PC, Smart
Phone, Conversation robots, …
• They don’t use keyboards and mouse.
• They don’t understand icons and menu commands.
• They don’t remember structures of command menu trees,
screen transitions, effects of tapping/clicking commands/icons.
• They will be reluctant to use conversation robots such as
Amazon echo, because
• they don’t hear well.
• Menu selection with voice is awkward.
Smart phone broadens reach of benefits of IT by
wide adoption, but It is still a miniature of PC
• It greatly simplifies UI.
• It replaces mouse by direct tap.
• It is going to replace keyboard by voice recognition.
• However it is still GUI.
• Command menu
• Icon list
Perception ability (vision,
hearing, remembering) is
GUI cognitive load is high.
• Indirect abstractions (Metaphors such
as icons) are hard to understand.
• Prediction/guess of command effects
and Learning is hard to do.
• Deep structure are hard to remember.
Senior friendly UI?
No icons, no
Actions in everyday life
Showing interest to someone
Pointing by finger
sliding, turning, carrying,
(Culture dependent gestures)
• Low cognitive load
• No learning
• No fatigue
Benefits of Direct perception/action beyond GUI
Filed as JPA 2017-204737
Describes senior friendly UI which suggests the need of HMI beyond GUI.