- Speed of Processing Theory: the interference occurs because words are read faster than colors are named.
- Selective Attention Theory: the interference occurs because naming colors requires more attention than reading words.http://faculty.washington.edu/chudler/words.html
Although the functions of the anterior cingulate are very complex, broadly speaking it acts as a conduit between lower, more impulse-driven brain regions and higher, more rationally-driven behaviors.
http://faculty.washington.edu/chudler/words.html
http://www.pbs.org/wgbh/nova/everest/exposure/stroopdesc.html