“…Neuroscience is represented by a description of a theory of auditory hallucination (Hugdahl) and a discussion of post-traumatic functional recovery (Mogensen). While it is well known that both cognitive psychology and neuroscience are well-established fields in Scandinavia (Hugdahl, 1984;Rönnberg, 1986), the strength of Scandinavian developmental psychology has perhaps not been fully appreciated. However, it is well known that Scandinavian countries offer unique possibilities for longitudinal studies, and psychologists from Finland (Keltikangas-Järvinen, Pulkkinen, Räikkönen) and Sweden (Bohlin) describe unique prospective longitudinal studies of factors influencing psychological development.…”