The raison d'etre of child psychiatry is the child's future adulthood. A clinical attitude that focuses on a child's development from this viewpoint is required. Development is understood from such a viewpoint; how a psychiatric disorder of a juvenile progresses to adulthood is described.
 In other words, an adult's psychiatric disorder reflects insufficient progression during mental development or a latent psychiatric disorder during childhood. The psychiatrist who looks at an adult patient from such viewpoints, would have insight into child psychiatry.
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