Functional Significance of Stress-relieving Act of Chewing and it Effect on Brain Activation by Strees / 日本農村医学会雑誌
Journal of the Japanese Association of Rural Medicine
; : 661-666, 2005.
Artigo
em Japonês
| WPRIM (Pacífico Ocidental)
| ID: wpr-361190
Biblioteca responsável:
WPRO
ABSTRACT
The chewing-related neuronal mechanism underlying stress relief, was evaluated by use of fMRI. For this purpose we examined the effect of chewing a moderately hard gum without any taste (X type, Lotte Co. LTd., Tokyo) on brain activation caused by a noisy sound stress, on plasma levels of catecholamines and ACTH. The stress significantly increased the blood oxygenation level-dependent (BOLD) signals in the amygdala and the medial prefrontal cortex, and elevated plasma levels of noradrenaline, dopamine and ACTH. However, this chewing suppressed not only the stress-induced increase in BOLD signals in these two regions, but also the stress-induced elevation in plasma levels of these catecholamines and ACTH. The results suggested that chewing might be a useful therapy for reducing stress.
Texto completo:
Disponível
Base de dados:
WPRIM (Pacífico Ocidental)
Assunto principal:
Plasma
/
Estresse Fisiológico
/
Mastigação
Idioma:
Japonês
Revista:
Journal of the Japanese Association of Rural Medicine
Ano de publicação:
2005
Tipo de documento:
Artigo