El DSM-IV (manual diagnóstico y estadístico de enfermedades mentales, versión número cuatro) (1) se encarga de delimitar las patologías mentales a través de un método que junta estadísticamente frecuencia, intensidad y pronóstico de enfermedades creando y dando nombre proprio a conjuntos de síntomas y signos. Esta constitución establece los límites del estado patológico de la mente y por tanto demarca los campos de la competencia psiquiátrica dentro del quehacer de la medicina.Siguiendo un modelo de agrupaciones probables determina configuraciones fisiológicas de frecuente aparición que pueden ser nominadas en consenso y tratadas en forma común. Para la especialidad psiquiátrica la enfermedad se refiere a alteraciones tanto conductuales de los pacientes como de la vivencia emocional. Los órganos, aunque participantes activos de ciertas patologías no se reconocen como asiento patológico, excepto el sistema nervioso central y autónomo.Se acepta un orden, se delimitan los administradores y los territorios nosológicos, delegándose la cura (remoción de la causa) a quien corresponda. Así ocurre que cada enfermedad pasa a formar parte del patrimonio de una especialidad, quienes la toma a cargo: la estudian y

Background: Eating disorders may have serious organic consequences derived from under nutrition, specific nutrient deficiencies and electrolytic (Rev Méd Chile 2006; 134: 973-80).

Somatic Syntonic Fields During Child Development A model is presented that shows the developmental importance of emotional dyadic modulation in children. This phenomenon occurs when two bodies that share the same time/space generate adjustment procedures in their nervous system that participate in the development of a stress-vulnerable or stressresilient phenotype. Contact modalities are the basis of the social brain, and agreement/disagreement behaviors are called intersubject spaces. These spaces are basically a field of somatic syntony that organizes the adrenergic tone of each participant, their pattern of comfort or discomfort and a somatic predisposition to a healthy lifestyle or risk of disease. To talk about a syntonic field implies the belief that two organisms can regulate each other on contact, impact each other's body beyond the emotional aspects. A new model is provided that includes other issues, explains possible and necessary social exchange required for development and suggests a way to evaluate the status of the body based on a social exchange, as seen in a routine pediatric consultation.

Obesity appears to be a complex condition. Current treatments are based on simple models of input and output power with regular short-term results. It is possible that changing the model of understanding long-term, better results are achieved. Neurobiological research proposes to consider the existence of an Adaptative Obesogenic Pattern (AOP) where the functioning of the nervous system is organized to increase intake. AOP is proposed as an early and maladaptive response establishing that the reward systems can modulate the axis HPA (hypothalamic pituitary adrenal axis) in the absence of suffi cient social regulation. This would facilitate the reverberation of the reward system by exposing it to addictions. Based on the failure of integration between axis HPA a model is presented. Child and adolescent observational grid is proposed to evaluate AOP during the current clinical interview.

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