Full Idea
Fodor argues that mental modules have three important featuresL 1) they are domain-specific, 2) their operation is mandatory, 3) they are informationally encapsulated.
Gist of Idea
Mental modules are specialised, automatic, and isolated
Source
report of Jerry A. Fodor (The Modularity of Mind [1983]) by Samir Okasha - Philosophy of Science: Very Short Intro (2nd ed) 6
Book Reference
Okasha,Samir: 'Philosophy of Science: very short intro (2nd ed)' [OUP 2016], p.107
A Reaction
Mandatory is interesting. When I hear an English sentence I can't decide not to process it. Modules cannot be too isolated or they couldn't participate in the team. Each one needs a comms manager.