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Effects of hypocapnia on spontaneous burst activity in the piriform-amygdala complex of newborn rat brain preparations in vitro.
Fujii, T; Onimaru, H; Suganuma, M; Homma, I.
Afiliación
  • Fujii T; Department of Physiology, Showa University School of Medicine, Shinagawa-ku, Tokyo 142, Japan. oni@med.showa-u.ac.jp
Adv Exp Med Biol ; 669: 333-6, 2010.
Article en En | MEDLINE | ID: mdl-20217377
We examined effects of hypocapnia on burst activity in the piriform-amygdala complex and C(4) inspiratory activity in limbic-brainstem-spinal cord preparations from 0- to 1-day-old rats. Hypocapnia (2% CO(2)) increased the burst rate in the piriform-amygdala complex but decreased the C(4) inspiratory burst rate. Since hyperventilation induces hypocapnia, and enhanced amygdala activity may be involved in induction of a sense of anxiety, our findings might explain the neuronal mechanism of a vicious circle between hyperventilation and an increased sense of anxiety.
Asunto(s)

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Hipocapnia / Amígdala del Cerebelo Límite: Animals Idioma: En Revista: Adv Exp Med Biol Año: 2010 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Hipocapnia / Amígdala del Cerebelo Límite: Animals Idioma: En Revista: Adv Exp Med Biol Año: 2010 Tipo del documento: Article País de afiliación: Japón Pais de publicación: Estados Unidos