Possible Clues:

• Like a narrowly focused mind
• Like a narrow mind
• Ignoring all else
• Like an obsessive mind
• Broadcast last race from Mondello for singular type on the record
• Incapable of dealing with more than a single thing at a time
• Narrow
• This mind is limited in scope to dealing with single item
• Sort of mind the inventor of the monorail had?
• This mind can hold only a single opinion at a time