Thank you for your query at DoctorSpring.com.
The symptoms are suggestive of a mild ischemic stroke, where the blood supply to a part of brain is blocked. Based on the symptoms, the likely area affected could be thalamus and hypothalamus. Normal CT scan excludes brain hemorrhage and a large ischemic stroke. The diagnosis can be confirmed on MrI scan of brain.
As your doctors said, your father would recover over time.
Medications would include aspirin and statins. In addition, any risk factor such as high BP, sugars, or cholesterol should be looked for and treated accordingly.
I hope it helps. Please get back if you have any more queries.
Dr Sudhir Kumar MD DM (Neurology)
Senior Consultant Neurologist