The HappyNeuron Cognitive Training provides users with a program that is designed to be adapted for patientssuffering from cognitive impairments linked to chronic diseases. Two programs have been designed so fartargeting specific conditions: Multiple Sclerosis and Rheumatoid Arthritis.The cognitive training is a combination of scheduled workouts and on-demand complementary exercises.It contains computerized exercises that stimulate cognitive abilities (Memory, Attention, Language, ExecutiveFunctions and Visual-Spatial Skills). Coaching features guide the users through the exercises, adapt thedifficulty settings dynamically, and follow-up on performance.