Disclosed herein are methods of improving cognitive function in a patient as measured by, for example, improvement in score on a validated scale that measures cognitive function, such as the Behavior Rating Inventory of Executive Function (BRIEF), by administering the test to a patient and obtaining a pre-treatment test score, treating the patient with fenfluramine or its pharmaceutically acceptable salt, and after treatment, re-administering the test of cognitive function to the patient and obtaining a post-treatment score, to allow observation of an improvement in the test score. In some embodiments, the patient is also being treated for the symptoms of epilepsy.
IMPROVEMENT IN COGNITIVE FUNCTION WITH FENFLURAMINE