Full Idea
In psychology, concepts are characterized as those bodies of knowledge that are stored in long-term memory and used most higher cognitive competences when these processes result in judgements.
Gist of Idea
Psychologists treat concepts as long-term knowledge bodies which lead to judgements
Source
Edouard Machery (Doing Without Concepts [2009], Intro)
Book Reference
Machery,Edouard: 'Doing Without Concepts' [OUP 2009], p.4
A Reaction
Machery mounts an attack on this idea. I like the 'mental files' idea, where a concept starts as a label, and then acquires core knowledge, and then further information. The 'concept' is probably no more than a label, and minimal starter information.