Oh I was on fire in research on this here (May 2019). I’m looking at the comments and I’d tracked down what braid-theory thing specifically could relate to pickup sticks. Now the T-shape = 3D crossings is from what I was looking at vision. I ‘lit up’ again seeing ASCII first-person mazes again and narrowed my excitement down to the visual crossings indicating hallways/turns as well as wondering about distance calculations which I want to get back to.

Oh I was on
[read full article]
 

“in normal psychomotor development, the sensation of gravity and bodily verticalisation plays a key role in acquiring the transversal axes (‘‘up’’-‘‘down’’) (e.g., Elk & Blanke, 2011; Mazeau, 2005; Paillard, 1991; Puche-Navarro & Millan, 2007).” Automated walking (approximately appearing at 18 months) becomes a precondition for the mastery of the frontal axes (‘‘front’’-‘‘back’’) Iossifova, R., & Marmolejo-Ramos, F. (2013). When the body is time: Spatial and temporal deixis in children with visual impairments and sighted children. Research in Developmental Disabilities, 34(7), 2173–2184.

“in normal psychomotor development,
[read full article]