研究者詳細 - 大平　英樹

論文 - 大平　英樹

分割表示 731 件中 321 - 340 件目／全件表示 >>

The effect of human opponent on autonomic activity during versus fighting game

Kobayashi Hiroyuki, Nagano Yuichiro, Nakao Ayako, Funaki Shuhei, Sato Haruki, Takeuchi Masashi, Ohira Hideki

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY 77 巻 ( 3 ) 頁： 283 - 283 2010年9月

Medial prefrontal cortex - dorsal anterior cingulate cortex connectivity during behavior selection without an objective correct answer

Nakao Takashi, Osumi Takahiro, Ohira Hideki, Kasuya Yukinori, Shinoda Jun, Yamada Jitsuhiro, Northoff Georg

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY 77 巻 ( 3 ) 頁： 323 - 323 2010年9月

Human oscillatory activities associated with reward and punishment processing in a probabilistic reversal learning task

Yu Bai, Ohira Hideki

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY 77 巻 ( 3 ) 頁： 312 - 313 2010年9月

Effects of recall facilitation on P300-based guilty knowledge test

Hamamoto, Y; Hira, S; Ohira, H

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY 77 巻 ( 3 ) 頁： 333 - 333 2010年9月

Automatic emotion regulation by cognitive task

Iida, S; Ohira, H; Nakao, T; Funahashi, A

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY 77 巻 ( 3 ) 頁： 280 - 281 2010年9月

A role of the anterior insula in altruistic punishment: An fMRI study using the ultimatum game and the dictator game

Osumi, T; Nakao, T; Kasuya, Y; Shinoda, J; Yamada, J; Ohira, H

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY 77 巻 ( 3 ) 頁： 324 - 324 2010年9月

水回避ストレス負荷による腸管運動亢進に対する脳内オキシトシンの抑制作用(Inhibitory effect of central oxytocin on acceleration of colonic motility induced by water-avoidance stress in rats)

松永昌宏, 米田政志, 春日井邦夫, 大平英樹, 坪井宏仁, 金子宏

神経化学 49 巻 ( 2-3 ) 頁： 735 - 735 2010年8月

主観的幸福感とポジティブ感情喚起時の脳活動との関連

松永昌宏, 村上裕樹, 山川香織, 磯和勅子, 大平英樹

日本心理学会大会発表論文集 74回巻頁： 909 - 909 2010年8月

The Somatic Marker Revisited: Brain and Body in Emotional Decision Making

Ohira Hideki

EMOTION REVIEW 2 巻 ( 3 ) 頁： 245 - 249 2010年7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：Emotion Review

One important function of emotions is to guide decision making and behaviors for survival in complex environments. In the context of such reasoning, the somatic marker hypothesis (Damasio, 1994) has argued that bodily states are represented in specific brain regions, such as the insula, and would play critical roles in decision making. However, it still remains unclear what causal roles bodily states would play in decision making, and how the bodily states would change accompanying decision making. Thus, the aim of this article is to reconsider aspects of the brain and bodily states in decision making based on recent findings. Questions for future research are proposed based on such findings. © 2010 SAGE Publications and The International Society for Research on Emotion.

DOI： 10.1177/1754073910362599

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Scopus

Phasic heart rate responses for anticipated threat situations 査読有り国際誌

Murakami Hiroki, Matsunaga Masahiro, Ohira Hideki

INTERNATIONAL JOURNAL OF PSYCHOPHYSIOLOGY 77 巻 ( 1 ) 頁： 21 - 25 2010年7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：International Journal of Psychophysiology

The effects of anticipated threat situations and the valence of the stimuli on the deceleration of the phasic heart rate (HR) were investigated in a single experiment using an S1-S2 paradigm. There were certain S1 cues that were always expected to be followed by neutral pictures (S2 stimuli), and uncertain S1 cues that had a 50% probability of being followed by neutral or unpleasant pictures (S2 stimuli). Greater phasic HR deceleration was observed for S2 stimuli following uncertain S1 cues than for S2 stimuli following certain S1 cues, regardless of the valence of the S2 stimuli. This result suggests that an anticipated threat situation in which participants anticipate facing potentially unpleasant stimuli leads to the allocation of more attentional resources. Additionally, correlation analyses revealed that highly anxious individuals tended to show greater HR deceleration in response to unpleasant stimuli, possibly reflecting maladaptive attentional bias for threat stimuli. © 2010 Elsevier B.V.

DOI： 10.1016/j.ijpsycho.2010.03.012

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PubMed

Human Visual System Automatically Encodes Sequential Regularities of Discrete Events

Kimura Motohiro, Schroeger Erich, Czigler Istvan, Ohira Hideki

JOURNAL OF COGNITIVE NEUROSCIENCE 22 巻 ( 6 ) 頁： 1124 - 1139 2010年6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：Journal of Cognitive Neuroscience

For our adaptive behavior in a dynamically changing environment, an essential task of the brain is to automatically encode sequential regularities inherent in the environment into a memory representation. Recent studies in neuroscience have suggested that sequential regularities embedded in discrete sensory events are automatically encoded into a memory representation at the level of the sensory system. This notion is largely supported by evidence from investigations using auditory mismatch negativity (auditory MMN), an event-related brain potential (ERP) correlate of an automatic memory-mismatch process in the auditory sensory system. However, it is still largely unclear whether or not this notion can be generalized to other sensory modalities. The purpose of the present study was to investigate the contribution of the visual sensory system to the automatic encoding of sequential regularities using visual mismatch negativity (visual MMN), an ERP correlate of an automatic memory-mismatch process in the visual sensory system. To this end, we conducted a sequential analysis of visual MMN in an oddball sequence consisting of infrequent deviant and frequent standard stimuli, and tested whether the underlying memory representation of visual MMN generation contains only a sensory memory trace of standard stimuli (trace-mismatch hypothesis) or whether it also contains sequential regularities extracted from the repetitive standard sequence (regularity-violation hypothesis). The results showed that visual MMN was elicited by first deviant (deviant stimuli following at least one standard stimulus), second deviant (deviant stimuli immediately following first deviant), and first standard (standard stimuli immediately following first deviant), but not by second standard (standard stimuli immediately following first standard). These results are consistent with the regularity-violation hypothesis, suggesting that the visual sensory system automatically encodes sequential regularities. In combination with a wide range of auditory MMN studies, the present study highlights the critical role of sensory systems in automatically encoding sequential regularities when modeling the world. © 2009 Massachusetts Institute of Technology.

DOI： 10.1162/jocn.2009.21299

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PubMed

EEG evidence of face-specific visual self-representation

Miyakoshi, M; Kanayama, N; Iidaka, T; Ohira, H

NEUROIMAGE 50 巻 ( 4 ) 頁： 1666 - 1675 2010年5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：NeuroImage

Cognitive science has regarded an individual's face as a form of representative stimuli to engage self-representation. The domain-generality of self-representation has been assumed in several reports, but was recently refuted in a functional magnetic resonance imaging study (Sugiura et al., 2008). The general validity of this study's criticism should be tested by other measures to compensate for the limitation of the time resolution of the blood-oxygen-level-dependent (BOLD) signal. In this article, we report an EEG study on the domain-generality of visual self-representation. Domain-general self-representation was operationally defined as the self-relevance common to one's own Face and Cup; three levels of familiarity, Self, Familiar, and Unfamiliar, were prepared for each. There was another condition, Visual Field, that manipulated visual hemifield during stimulus presentation, but it was collapsed because it produced no interaction with stimulus familiarity. Our results confirmed comparable phase resetting in both domains in response to familiarity manipulation, which occurred within the medial frontal area during 270-390 ms poststimulus and in the theta band. However, self-specific dissociation was observed only for Face. The results here support the conclusion that visual self-representation is domain-specific and that the oscillatory responses observed suggest evidence of face-specific visual self-representation. Results also revealed an inter-trial phase coherency decrease specifically for Self-Face within the right fusiform area during 170-290 ms poststimulus and in the alpha and theta band, suggesting reduced functional demand for Self-Face represented by sharpened networks. © 2010 Elsevier Inc. All rights reserved.

DOI： 10.1016/j.neuroimage.2010.01.030

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PubMed

Self-Knowledge Reduces Conflict by Biasing One of Plural Possible Answers

Nakao Takashi, Mitsumoto Mayo, Nashiwa Hitomi, Takamura Masahiro, Tokunaga Satoko, Miyatani Makoto, Ohira Hideki, Katayama Kaori, Okamoto Akane, Watanabe Yu

PERSONALITY AND SOCIAL PSYCHOLOGY BULLETIN 36 巻 ( 4 ) 頁： 455 - 469 2010年4月

Self-Knowledge Reduces Conflict by Biasing One of Plural Possible Answers 査読有り

Takashi Nakao, Mayo Mitsumoto, Hitomi Nashiwa, Masahiro Takamura, Satoko Tokunaga, Makoto Miyatani, Hideki Ohira, Kaori Katayama, Akane Okamoto, Yu Watanabe

PERSONALITY AND SOCIAL PSYCHOLOGY BULLETIN 36 巻 ( 4 ) 頁： 455 - 469 2010年4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：SAGE PUBLICATIONS INC

The authors investigated whether self-knowledge has a function to reduce conflict by biasing one of two choices during occupational choice (e.g., Which occupation do you think you could do better-dancer or chemist). In the three experiments, event-related brain potentials were recorded. Experiment I revealed that the amplitude of the conflict-related negativity (CRN) reflects strength of conflict during occupational choice. Results of Experiment 2 demonstrated that the CRN amplitude during occupational choice was smaller when self-knowledge was activated than when other-knowledge was activated. Experiment 3 showed that the CRN amplitude during occupational choice was decreased more when self-knowledge that biases one choice of occupation was activated than when self-knowledge that does not bias was activated. These results suggest that self-knowledge reduces conflict by biasing one of multiple choices in situations where two or more possible correct answers can be given.

DOI： 10.1177/0146167210363403

Web of Science

Self-knowledge reduces conflict by biasing one of plural possible answers

Nakao T., Mitsumoto M., Nashiwa H., Takamura M., Tokunaga S., Miyatani M., Ohira H., Katayama K., Okamoto A., Watanabe Y.

Personality and Social Psychology Bulletin 36 巻 ( 4 ) 頁： 455 - 469 2010年4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：Personality and Social Psychology Bulletin

The authors investigated whether self-knowledge has a function to reduce conflict by biasing one of two choices during occupational choice (e.g., Which occupation do you think you could do better?-dancer or chemist). In the three experiments, event-related brain potentials were recorded. Experiment 1 revealed that the amplitude of the conflict-related negativity (CRN) reflects strength of conflict during occupational choice. Results of Experiment 2 demonstrated that the CRN amplitude during occupational choice was smaller when self-knowledge was activated than when other-knowledge was activated. Experiment 3 showed that the CRN amplitude during occupational choice was decreased more when self-knowledge that biases one choice of occupation was activated than when self-knowledge that does not bias was activated. These results suggest that self-knowledge reduces conflict by biasing one of multiple choices in situations where two or more possible correct answers can be given © 2010 by the Society for Personality and Social Psychology, Inc.

DOI： 10.1177/0146167210363403

Scopus

Genetic variations in the serotonin transporter gene-linked polymorphic region influence attraction for a favorite person and the associated interactions between the central nervous and immune systems

Matsunaga Masahiro, Murakami Hiroki, Yamakawa Kaori, Isowa Tokiko, Kasugai Kunio, Yoneda Masashi, Kaneko Hiroshi, Fukuyama Seisuke, Shinoda Jun, Yamada Jitsuhiro, Ohira Hideki

NEUROSCIENCE LETTERS 468 巻 ( 3 ) 頁： 211 - 215 2010年1月

Matsunaga M., Murakami H., Yamakawa K., Isowa T., Kasugai K., Yoneda M., Kaneko H., Fukuyama S., Shinoda J., Yamada J., Ohira H.

Neuroscience Letters 468 巻 ( 3 ) 頁： 211 - 215 2010年1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：Neuroscience Letters

Limbic system activation that occurs when a person experiences several emotions is primarily represented by the amygdala output that influences autonomic brainstem nuclei that control autonomic nervous function, thus modulating the endocrine and immune systems. Amygdala activity is modulated by the serotonin transporter gene-linked polymorphic region (5HTTLPR); however, whether variations in 5HTTLPR influence central nervous and immune activities in response to positive stimuli remains unclear. Here, we found that seeing a favorite person induced significantly higher amygdala activity in individuals with the 5HTTLPR SS genotype than in others. This activity was positively correlated with changes in the NK cell proportion among peripheral lymphocytes. Thus, 5HTTLPR influences attraction and the associated interactions between the central nervous and immune systems in affectively positive situations. © 2009 Elsevier Ireland Ltd. All rights reserved.

DOI： 10.1016/j.neulet.2009.10.093

Scopus

Brain and autonomic association accompanying stochastic decision-making.

Ohira H, Ichikawa N, Nomura M, Isowa T, Kimura K, Kanayama N, Fukuyama S, Shinoda J, Yamada J

NeuroImage 49 巻 ( 1 ) 頁： 1024 - 37 2010年1月

Brain and autonomic association accompanying stochastic decision-making

Ohira H., Ichikawa N., Nomura M., Isowa T., Kimura K., Kanayama N., Fukuyama S., Shinoda J., Yamada J.

NeuroImage 49 巻 ( 1 ) 頁： 1024 - 1037 2010年1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：NeuroImage

To examine the functional association between brain and autonomic activities accompanying decision-making, we simultaneously recorded regional cerebral blood flow using 15O-water positron emission tomography and event-related brain potentials (ERPs) time-locked to feedback of reward and punishment, as well as cardiovascular parameters, during a stochastic decision-making task. We manipulated the uncertainty of outcomes in the task; specifically, we compared a condition with high predictability of reward/punishment (contingent-reward condition) and a condition with low predictability of reward/punishment (random-reward condition). The anterior cingulate cortex (ACC) was commonly activated in both conditions. Compared with the contingent-reward condition, the orbitofrontal and right dorsolateral prefrontal cortices and dorsal striatum were activated in the random-reward condition, where subjects had to continue to seek contingency between stimuli and reward/punishment. Activation of these brain regions correlated with a positive component of ERPs locked to feedback signals (feedback-related positivity), which showed an association with behavioral decision-making in the contingent-reward condition. Furthermore, cardiovascular responses were attenuated in the random-reward condition, where continuous attention and contingency monitoring were needed, and such attenuation of cardiovascular responses was mediated by vagal activity that was governed by the rostral ACC. These findings suggest that the prefrontal-striatal network provides a neural basis for decision-making and modulation over the peripheral autonomic activity accompanying decision-making. © 2009 Elsevier Inc. All rights reserved.

DOI： 10.1016/j.neuroimage.2009.07.060

Scopus

Brain and autonomic association accompanying stochastic decision-making

Ohira Hideki, Ichikawa Naho, Nomura Michio, Isowa Tokiko, Kimura Kenta, Kanayama Noriaki, Fukuyama Seisuke, Shinoda Jun, Yamada Jitsuhiro

NEUROIMAGE 49 巻 ( 1 ) 頁： 1024 - 1037 2010年1月

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