A colomn about Neurotypic Spectrum Disorder (NSD). Incidence 5 out of 10 persons, only 3 out of 100 are completely excluded (they have ASD, autistic spectrum disorder). NSD means a reduced capacity to obtain one or more preoccupations, let alone losing themselves in fascinations; Superficial knowledge of everything in general, reduced ability to specific expertise; Illusion of normality; Reduced tolerance to any form of differentness; Collective framing of different as abnormal or pathological; Illusion of control ... It is opposed tot ASD.