Motion Anticipation must be based upon stereotypes of purported intrinsic motion, overlaying memory of intrinsic motion from similar actors in the past.
That’s not what this paper says specifically but where it led to in my head from other things I’ve read.
(Galileo, 20 year research, “why so long?”… “Oh his inertia contrasts with medieval impetus!”, quick search for intrinsic notion, first hit nails it. )
And thank you as duck brains at 5am got me to look at this a second time around.
My thought process about intrinsic motion memory overlaying comes from studies on parking lots and cars.
The experiences of intrinsic motion could come from things like movies but I suspect most of it is formed from 0-2 yrs old during generalized object property studies .