Luz y ritmos circadianos: efectos en la salud y en el desempeño

• Julio Lillo Jover ^[1] ; Leticia Álvaro Llorente ^[1] ; Humberto Moreira ^[2] ; Mª del Carmen Durán Pullido ^[1]
  1. [1] Universidad Complutense de Madrid

     Universidad Complutense de Madrid

     Madrid, España

     
  2. [2] Escuela Universitaria Cardenal Cisneros
• Localización: Ansiedad y estrés, ISSN 1134-7937, Vol. 16, Nº 2-3, 2010, págs. 259-269
• Idioma: español
• Títulos paralelos:
  • Circadian rhythms and light: effects on health and performance
• Enlaces
  • Texto completo (pdf)
• Dialnet Métricas: 1 Cita
• Resumen
  • español

    Se proporciona una visión global sobre la estructura y funcionamiento del sistema circadiano. Tal visión ayuda a entender mejor los problemas derivados de su mal funcionamiento y cómo compensarlos mediante la terapia lumínica. También se muestra que lo más relevante para la sincronización del sistema circadiano es la exposición a los ciclos de luz-oscuridad. Se explica por qué los trabajadores nocturnos tienen más problemas de salud. Se explican las diferencias entre la estimulación circadiana y la estimulación visual y a continuación se analiza por qué la fotometría estándar no proporciona mediciones adecuadas para determinar la estimulación que actúa sobre el sistema circadiano. Para terminar, se describen la filosofía de la terapia lumínica y su eficacia para evitar-eliminar problemas asociados al funcionamiento inadecuado del sistema circadiano en lo que tiene que ver con (1) su activación transitoria, (2) el desajuste entre los relojes circadiano y biológico y (3) la depresión estacional.

  • English

    A general view on circadian system structure and performance is provided for a better understanding of the problems derived from its malfunction and the ways to compensate for the negative effects using light therapy. The relevance of exposure to light-darkness cycles, in order to synchronise the circadian system, is highlighted and the reasons behind night-shift workers’ ill health are explained. Differences between circadian and visual stimulation are given which relates to the reasons why standard photometry does not provide accurate measurements for the optimum stimulation of the circadian system. Finally, the philosophy of light therapy and its efficacy in avoiding/eliminating problems associated with inaccurate circadian system functioning in reference to (1) its transitory activation, (2) biological and chronological clocks mismatches and (3) seasonal depression, are describeds

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