onetrack Like some minds Like a narrowly focused mind Like an obsessive mind Not exactly open to alternatives Like a mind with an "idée fixe" Have a ___ mind (be preoccupied with a single subject): Hyph Certain mind __ mind (single-topic preoccupation) Narrow Limited in scope Kind of mind Making good progress over puzzle finally - tend to be a far from lateral thinker Obsessed with a single subject With just a single idea Like a narrow mind