“To understand how infants come to be able to control the forceful interactions of their bodies with their environment is to gain insight into the nature of cognitive processes as they emerge.” - Port & van Gelder (1995) about Esther Thelen’s perspective on human development
Thelen (1995): “What infants do in everyday life, what they perceive, how they act, and what they remember are joined seamlessly to how they think. ...
“Since a major developmental task of #infancy is gaining control of the body, #cognition is thus #embodied as its origins deal with #actions of the #body in the world.” - Esther Thelen (1995)
We need vision for movement. Walking: feeling contact of feet w/ ground isn’t everything! “You might think that the contact of(...) the foot with a surface (...) is specified by a mechanical impression of skin, by touch (...). Nevertheless there is optical specification.” #Gibson
Further, the “moving #self and the unmoving world are reciprocal aspects of the same #perception.” - - J.J. #Gibson on the specifying of limb #movement