Full Idea
The paradigm case of apprehension is of a complex intellect confronted with a complex object, in which the intellect understands in a particular context what is 'essential' about the object.
Gist of Idea
Apprehension is a complex intellect grasping the essence of a complex object
Source
Lynn Holt (Apprehension: reason in absence of Rules [2002], 3 'Expertise')
A Reaction
My line is that this apprehension cashes out as an immediate ability to explain the object. This is an enhanced version of the rational understanding of things found in most larger animals. Holt says her account is Aristotelian.
Book Reference
Holt,Lynn: 'Apprehension: reason in absence of rules' [Ashgate 2002], p.31