A scientific film with a 3D modeling made on the inner mechanisms of the brain implicated in the development of Alzheimer's disease. Produced by Internationale Stichting Alzheimer Onderzoek (ISAO) (NL), Alzheimer Forschung Initiative e.V. (AFI) (D) and La Ligue Européenne Contre la Maladie d'Alzheimer (LECMA) (FR).