It seems to me that intuitive UI went the way of the dodo with the advent of flat, minimalistic UI. Windows 8's Metro UI, Windows 10's Fluent design, Android's Material design, etc., are featureless and indistinct. The brain has spent its entire existence processing the visible world in three...
aesthetics
brain function
cognitive science
color theory
design principles
fluent design
human factors
interactivity
interface design
intuitiveui
material design
minimalistic
neuroscience
textured interfaces
ui design
user experience
visual elements
windows 10
windows 8