研究者詳細 - 大平　英樹

論文 - 大平　英樹

分割表示 731 件中 421 - 440 件目／全件表示 >>

Association of serotonin transporter gene polymorphism and emotion regulation

Murakami Hiroki, Matsunaga Masahiro, Ohira Hideki

NEUROREPORT 20 巻 ( 4 ) 頁： 414 - 418 2009年3月

Visual mismatch negativity: new evidence from the equiprobable paradigm. 査読有り

Kimura M, Katayama J, Ohira H, Schröger E.

Psychophysiology 46 巻 ( 2 ) 頁： 402-409 2009年3月

Association of polymorphism in the human mu-opioid receptor OPRM1 gene with proinflammatory cytokine levels and health perception. 査読有り

Matsunaga M, Isowa T, Murakami H, Kasugai K, Yoneda M, Kaneko H, Ohira H.

Brain, Behavior, and Immunity 23 巻 ( 7 ) 頁： 931-935 2009年3月

Associations among positive mood, brain, and cardiovascular activities in an affectively positive situation. 査読有り

Matsunaga M, Isowa T, Kimura K, Miyakoshi M, Kanayama N, Murakami H, Fukuyama S, Shinoda J, Yamada J, Konagaya T, Kaneko H, Ohira H.

Brain Research 1263 巻頁： 93-103 2009年3月

Association of serotonin transporter gene polymorphism and emotion regulation. 査読有り

Murakami H, Matsunaga M, Ohira H.

Neuroreport 20 巻 ( 4 ) 頁： 414-418 2009年3月

Visual mismatch negativity: new evidence from the equiprobable paradigm.

Kimura M, Katayama J, Ohira H, Schröger E

Psychophysiology 46 巻 ( 2 ) 頁： 402 - 9 2009年3月

Visual mismatch negativity: New evidence from the equiprobable paradigm

Kimura Motohiro, Katayama Jun'ichi, Ohira Hideki, Schroeger Erich

PSYCHOPHYSIOLOGY 46 巻 ( 2 ) 頁： 402 - 409 2009年3月

Visual mismatch negativity: New evidence from the equiprobable paradigm 査読有り

Motohiro Kimura, Jun'ichi Katayama, Hideki Ohira, Erich Schroeger

PSYCHOPHYSIOLOGY 46 巻 ( 2 ) 頁： 402 - 409 2009年3月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：WILEY-BLACKWELL PUBLISHING, INC

In visual oddball studies, deviant compared to standard stimuli elicited a posterior negative ERP at around 100-250 ms. To determine the underlying processes of the negativity, we used the equiprobable sequence in which bar stimuli of five types of orientation were presented with equal probabilities (control 20% each) as well as the oddball sequence in which two stimuli with the closest orientation were presented with different probabilities (deviant 20% and standard 80%). Deviant compared to standard stimuli elicited two negativities at around 100-150 ms with no hemispheric dominance and 200-250 ms with right hemispheric dominance, while deviant compared to control stimuli elicited only a negativity at around 200-250 ms with right hemispheric dominance. These results suggest that the early negativity reflects refractory effect, while the late negativity reflects memory-comparison-based change detection effect (visual mismatch negativity).

DOI： 10.1111/j.1469-8986.2008.00767.x

Web of Science

Visual mismatch negativity: New evidence from the equiprobable paradigm

Kimura M., Katayama J., Ohira H., Schröger E.

Psychophysiology 46 巻 ( 2 ) 頁： 402 - 409 2009年3月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Psychophysiology

DOI： 10.1111/j.1469-8986.2008.00767.x

Scopus

Associations among positive mood, brain, and cardiovascular activities in an affectively positive situation 査読有り

Masahiro Matsunaga, Tokiko Isowa, Kenta Kimura, Makoto Miyakoshi, Noriaki Kanayama, Hiroki Murakami, Seisuke Fukuyama, Jun Shinoda, Jitsuhiro Yamada, Toshihiro Konagaya, Hiroshi Kaneko, Hideki Ohira

BRAIN RESEARCH 1263 巻頁： 93 - 103 2009年3月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：ELSEVIER SCIENCE BV

It is hypothesized that experiencing positive emotions such as pleasure leads to a perception of the body being in a positive state. This study demonstrated associations among positive mood, brain, and cardiovascular activities by simultaneously recording these activities when positive emotions were evoked in participants watching films revolving around a love story. Heart rate variability analysis revealed increased parasympathetic nervous activity while watching the film. The following brain regions were significantly activated in the positive condition relative to the control condition: medial prefrontal. cortex, thalamus, superior temporal gyrus, inferior frontal gyrus, and cerebellum. Further, covariate analyses indicated that these brain regions were temporally associated with subjective positive mood. Activities of brain regions considered to be related to interoceptive awareness, such as the insular cortex, anterior cingulate cortex, amygdala, and orbitofrontal cortex, were also temporally associated with the cardiovascular change. These results suggest that while an individual experiences positive emotions, activities of the central nervous system and cardiovascular system may be interrelated, and the brain may perceive the body to be in a positive state. (C) 2009 Elsevier B.V. All rights reserved.

DOI： 10.1016/j.brainres.2009.01.027

Web of Science

Association of polymorphism in the human mu-opioid receptor OPRM1 gene with proinflammatory cytokine levels and health perception. 査読有り

Matsunaga M, Isowa T, Murakami H, Kasugai K, Yoneda M, Kaneko H, Ohira H

Brain, Behavior, and Immunity 23 巻 ( 7 ) 頁： 931-935 2009年3月

Association of serotonin transporter gene polymorphism and emotion regulation 査読有り

Hiroki Murakami, Masahiro Matsunaga, Hideki Ohira

NEUROREPORT 20 巻 ( 4 ) 頁： 414 - 418 2009年3月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：LIPPINCOTT WILLIAMS & WILKINS

Metacognitive strategies of emotion regulation such as an objective perspective of one's self are known as primary factors in mindfulness intervention. Earlier studies, however, suggest that the effect of mindfulness differs because of the individual variability. In this study, we investigated the influence of the serotonin transporter gene polymorphism during the application of a metacognitive strategy of emotion regulation. Short (S) homozygotes showed more negative emotional states than SL individuals in both metacognition and control conditions. The high frequency of heart rate variability, however, increased in the metacognition condition only in S homozygotes. This result indicated that the metacognitive strategy of emotion regulation is more effective for increasing parasympathetic dominance in S homozygotes than in SL individuals. NeuroReport 20:414-418 (C) 2009 Wolters Kluwer Health | Lippincott Williams & Wilkins.

DOI： 10.1097/WNR.0b013e328325a910

Web of Science

Multisensory processing and neural oscillatory responses: separation of visuotactile congruency effect and corresponding electroencephalogram activities 査読有り

Kanayama Noriaki, Ohira Hideki

NEUROREPORT 20 巻 ( 3 ) 頁： 289 - 293 2009年2月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：NeuroReport

By using electroencephalogram, we aimed at identifying the neural oscillations corresponding to two subcomponents of the visuotactile congruency process, facilitation and interference effects. The participants identified the location of the tactile stimulus presented at their index finger or thumb while ignoring simultaneous visual stimuli presented at the same (congruent) or different (incongruent) finger. Significant differences in reaction time were found between the congruent or incongruent condition and the unimodal baseline condition, indicating two different effects of visuotactile interaction. Electroencephalogram results showed significant increases in the γ-band response in the congruent condition and in the θ-band response in the incongruent condition. These results suggest two systems of multisensory interaction. © 2009 Wolters Kluwer Health | Lippincott Williams & Wilkins.

DOI： 10.1097/WNR.0b013e328322ca63

Web of Science

Scopus

PubMed

The role of gamma band oscillations and synchrony on rubber hand illusion and crossmodal integration. 査読有り

Kanayama N, Sato A, Ohira H.

Brain and Cognition 69 巻 ( 1 ) 頁： 19-29 2009年2月

Multisensory processing and neural oscillatory responses: separation of visuotactile congruency effect and corresponding electroencephalogram activities. 査読有り

Kanayama N, Ohira H.

Neuroreport 20 巻 ( 3 ) 頁： 289-293 2009年2月

The role of gamma band oscillations and synchrony on rubber hand illusion and crossmodal integration. 査読有り

Kanayama N, Sato A, Ohira H

Brain and Cognition 69 巻 ( 1 ) 頁： 19-29 2009年2月

The role of gamma band oscillations and synchrony on rubber hand illusion and crossmodal integration

Kanayama Noriaki, Sato Atsushi, Ohira Hideki

BRAIN AND COGNITION 69 巻 ( 1 ) 頁： 19 - 29 2009年2月

記述言語：英語掲載種別：研究論文（学術雑誌）出版者・発行元：Brain and Cognition

The rubber hand illusion represents an illusory experience during the mislocalization of own hand when correlated visuotactile stimuli are presented to the actual and fake hands. The visuotactile integration process appears to cause this illusion; the corresponding brain activity was revealed in many studies. In this study, we investigated the effect of the rubber hand illusion on the crossmodal integration process by measuring EEG. The participants who experienced less intensive illusion showed greater congruency effect on reaction time (RT), greater power increase at the parietal zero electrode (Pz) and smaller interelectrode synchrony of the gamma band activity. On the other hand, the participants who experienced more intense illusion showed greater interelectrode synchrony. The results suggested that the gamma band activity in the parietal area reflects the visuotactile integration process and that its synchrony causes the illusory intensity. Crown Copyright © 2008.

DOI： 10.1016/j.bandc.2008.05.001

Web of Science

Scopus

PubMed

Profiling of serum proteins influenced by warm partner contact in healthy couples

Matsunaga Masahiro, Sato Sayaka, Isowa Tokiko, Tsuboi Hirohito, Konagaya Toshihiro, Kaneko Hiroshi, Ohira Hideki

NEUROENDOCRINOLOGY LETTERS 30 巻 ( 2 ) 頁： 227 - 236 2009年2月

Cardiac responses predict decisions: An investigation of the relation between orienting response and decisions in the ultimatum game. 査読有り

Osumi, T., & Ohira, H.

International Journal of Psychophysiology 74 巻頁： 74-79. 2009年

Editorial for the Special Issue: Neuroscience on Emotion. 査読有り

Ohira, H.

Psychologia 52 巻頁： 91-92 2009年

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