Hi, cognitive impairment is related with learning disabilities. Mild cognitive impairment is a syndrome defined as cognitive decline greater than expected for an individual's age and education level but that does not interfere notably with activities of daily life.
It is usually associated with organic diseases rather than drugs. For what patient is taking these 2 drugs? Cognitive deficit is seen in many disorders like seizures, cerebral palsy etc
The patient is taking Lamictal for depression and Provigil for narcolepsy (EDS) diagnosed via MSLT.