OP... this is a link to OSU Vet school.... they may be the best place to go to get your pup diagnosed...
Teaching Hospital Regular Office Hours
by Appointment:
Monday - Friday,
8:00am to 5:00pm
Telephone: (405) 744-7000
Option 1: Small Animal Clinic
Option 2: Large Animal Clinic
Option 3: Other areas of VTH
Emergencies: After regular office hours and on holidays. Emergencies are accepted anytime! Your call, to the appropriate clinic before you arrive, will help expedite preparation for handling the case.
Call (405) 744-7000
Here's a link to Mapquest with directions from Tulsa...
MapQuest Maps - Driving Directions - Map
As they do see emergencies... this may be a good place to go... they don't list neurology as a specialty but I would think they could call one in...