Asa's gestalt

"Gestalt psychology is a theory of sensation which suggests that we are primarily aware of organized wholes of our environment and not of the irreducible elements into which these wholes might in theory be analyzed." (The Blackwell Dictionary of Western Philosophy, Blackwell, 2004, pg 282)
Asa H 2.0 light, for instance, reacts to a group of NM input features at a time. (see my blogs of 10 Feb. 2011 and 14 May 2012) In the case of visual (image) input NM can be quite large.