<abstract xmlns="http://www.w3.org/1999/xhtml"><p>We measured noninvasively a response of blood flow (hemoglobin concentration) in the prefrontal cortex area caused by emotional unpleasant arousal using the near-infrared spectroscopy (NIRS). NIRS can be easily measured brain activity in comparison with other measurement methods. And it has the advantage of low load for subjects. In this study, auditory stimuli applied to subjects in order to arouse unpleasant emotions, changes in blood flow were measured at that time. As a result, we have confirmed a significant increase of the oxygenated hemoglobin concentration in the peripheral cortex (Brodmann area 9) caused by the emotional unpleasant associated. And, the effectiveness of NIRS in measuring the brain activity related to emotional was demonstrated.</p></abstract>

We measured noninvasively a response of blood flow (hemoglobin concentration) in the prefrontal cortex area caused by emotional unpleasant arousal using the near-infrared spectroscopy (NIRS). NIRS can be easily measured brain activity in comparison with other measurement methods. And it has the advantage of low load for subjects. In this study, auditory stimuli applied to subjects in order to arouse unpleasant emotions, changes in blood flow were measured at that time. As a result, we have confirmed a significant increase of the oxygenated hemoglobin concentration in the peripheral cortex (Brodmann area 9) caused by the emotional unpleasant associated. And, the effectiveness of NIRS in measuring the brain activity related to emotional was demonstrated.

Measurement of Brain Activity Related to Unpleasant Emotion in the Prefrontal Cortex Region Using NIRS

International Journal of Advanced Network, Monitoring and Controls

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

We measured noninvasively a response of blood flow (hemoglobin concentration) in the prefrontal cortex area caused by emotional unpleasant arousal using the...

Measurement of Brain Activity Related to Unpleasant Emotion in the Prefrontal Cortex Region Using NIRS

Published Online: Apr 01, 2018

Page range: 1 - 5

DOI: https://doi.org/10.21307/ijanmc-2016-007

Keywords
near-infrared spectroscopy, unpleasant emotion, prefrontal cortex, auditory stimuli, brain activity

© 2016 Haruki Kawanaka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Measurement of Brain Activity Related to Unpleasant Emotion in the Prefrontal Cortex Region Using NIRS

Published Online: Apr 01, 2018

Page range: 1 - 5

DOI: https://doi.org/10.21307/ijanmc-2016-007

Keywordsnear-infrared spectroscopy, unpleasant emotion, prefrontal cortex, auditory stimuli, brain activity

© 2016 Haruki Kawanaka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Keywords
near-infrared spectroscopy, unpleasant emotion, prefrontal cortex, auditory stimuli, brain activity