Cholinergic Denervation (IMAGE) McGill University Caption The study found that as cholinergic neurons in the basal forebrain degenerate, the areas in the cortex which receive their cholinergic inputs also degenerate. Credit Montreal Neurological Institute and Hospital, McGill University Usage Restrictions Credit: Montreal Neurological Institute and Hospital, McGill University License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.