proximity

[OED]: 2. The fact, condition, or position of being near or close by in space; nearness.

proximity

in
Source: 
Piaget and Inhelder (1967)
The most elementary spatial relationship which can be grasped by perception…corresponding to the simplest type of perceptual structurization, namely the 'nearby-ness' of elements belonging to the same perceptual field (p 6)
Syndicate content