NDLI: An fMRI study of brain processing related to stress states

Content Provider	IEEE Xplore Digital Library
Author	Hayashi, Takuto Mizuno-Matsumoto, Yuko Okamoto, Eika Kato, Makoto Murata, Tsutomu
Copyright Year	2012
Description	Author affiliation: Kobe Advanced ICT Research Center, National Institute of Information and Communications Technology, (NICT), Japan (Kato, Makoto; Murata, Tsutomu) \|\| Department of Medical Engineering, Faculty of Nursing and Rehabilitation, Aino University, Osaka, Japan (Hayashi, Takuto) \|\| Graduate School of Applied Informatics, University of Hyogo, Kobe, Japan (Okamoto, Eika) \|\| Medicine & Engineering, Graduate School of Applied Informatics, University of Hyogo, Kobe, Japan (Mizuno-Matsumoto, Yuko)
Abstract	The aim of this study is to investigate whether stress states affect brain responses in the regions related to emotional and cognitive processing. The brain activities of thirty-three healthy adults divided into stress and non-stress groups according to their stress responses were assessed during emotional audio-visual stimuli using functional magnetic resonance imaging (fMRI). The results showed that the non-stress and stress groups had significant responses in the amygdala, hippocampus, and inferior frontal gyrus in the Pleasant and Unpleasant stimuli compared with the Relaxed stimuli, although no significant differences of activation was indicated in these regions between the non-stress and stress groups in each stimulus. Moreover, activation of superior and inferior parietal gyri in the non-stress group significantly increased in the Pleasant and/or Unpleasant stimuli compared with those in the stress group. These results suggest that the brain regions involved in emotional processing were activated in healthy adults with and without stress, while the brain regions involved in cognitive processing showed reduced activity in high-stress holders compared with the low-stress holders.
Starting Page	1
Ending Page	6
File Size	637057
Page Count	6
File Format	PDF
ISBN	9781467344975
ISSN	21544824
e-ISBN	9781889334479
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-06-24
Publisher Place	Mexico
Access Restriction	Subscribed
Rights Holder	TSI Press
Subject Keyword	Stress Hippocampus Educational institutions Magnetic resonance imaging Statistical analysis Biomedical imaging functional MRI stress emotion amygdala parietal lobe
Content Type	Text
Resource Type	Article

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