Faculty Profiles - OHIRA, Hideki

Papers - OHIRA, Hideki

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Eyeblink activity as an index of cognitive processing: temporal distribution of eyeblinks as an indicator of expectancy in semantic priming.

Ichikawa N, Ohira H

Perceptual and motor skills Vol. 98 ( 1 ) page： 131 - 40 2004.2

Language：English Publishing type：Research paper (scientific journal) Publisher：Perceptual and Motor Skills

Eyeblink activity was examined as a psychophysiological index of cognitive processing during a typical semantic priming task. To examine the expectancy-induced effects, the proportion of semantically related pairs was controlled. 8 undergraduates engaged in a lexical decision task for target words. Each condition differed in target type (Semantically Related with prime vs Unrelated vs Nonword) and proportion of Semantically Related pairs (High vs Low). As a result, the temporal distribution of blinks was clearly influenced by the semantic priming effect. The peak of blink bursts, which is correlated with the end of cognitive processing, occurred the fastest in the semantically Related and High proportion condition. While blink latency showed larger individual differences, the temporal distribution of blinks was suggested as a more efficient index of cognitive processing.

DOI： 10.2466/pms.98.1.131-140

Scopus

PubMed

Eyeblink activity as an index of cognitive processing: Temporal distribution of eyeblinks as an indicator of expectancy in semantic priming

Ichikawa N, Ohira H

PERCEPTUAL AND MOTOR SKILLS Vol. 98 ( 1 ) page： 131 - 140 2004.2

Eyeblink activity as an index of cognitive processing: Temporal distribution of eyeblinks as an indicator of expectancy in semantic priming Reviewed

N Ichikawa, H Ohira

PERCEPTUAL AND MOTOR SKILLS Vol. 98 ( 1 ) page： 131 - 140 2004.2

Language：English Publishing type：Research paper (scientific journal) Publisher：PERCEPTUAL MOTOR SKILLS

Web of Science

Reactivity of immune, endocrine and cardiovascular parameters to active and passive acute stress

T Isowa, H Ohira, S Murashima

BIOLOGICAL PSYCHOLOGY Vol. 65 ( 2 ) page： 101 - 120 2004.1

Language：English Publishing type：Research paper (scientific journal) Publisher：ELSEVIER SCIENCE BV

This study clarified associations among immune, autonomic, and endocrine activities during mental arithmetic and cold pressor stress tasks in 26 women in the follicular phase. Both tasks decreased CD3+ T cells,CD4+ T cells, and CD19+ B cells, whereas they increased lymphocytes, granulocytes, NK cells, and NK cell activity (NKCA). The mental arithmetic task had a greater impact than the cold pressor task on changes in CD3+ T cells and in NK cells. Cardiovascular reactivity to active stress was associated with increased NK cells and decreased CD3+ T cells. Reduced cortisol levels during passive stress were associated with decreased CD19+ B cells and with increased NK cells. The merits of this study are that it controlled the following factors. Perceived stress during the two tasks was matched; both tasks lasted long enough to elicit high-magnitude responses; and the length of the intervening rest period minimized probable carryover effects between tasks. (C) 2003 Elsevier B.V. All rights reserved.

DOI： 10.1016/S0301-0511(03)00115-7

Web of Science

Functional association of the amygdala and ventral prefrontal cortex during cognitive evaluation of facial expressions primed by masked angry faces: an event-related fMRI study.

Nomura M, Ohira H, Haneda K, Iidaka T, Sadato N, Okada T, Yonekura Y

NeuroImage Vol. 21 ( 1 ) page： 352 - 63 2004.1

Functional association of the amygdala and ventral prefrontal cortex during cognitive evaluation of facial expressions primed by masked angry faces: an event-related fMRI study

Nomura M, Ohira H, Haneda K, Iidaka T, Sadato N, Okada T, Yonekura Y

NEUROIMAGE Vol. 21 ( 1 ) page： 352 - 363 2004.1

Functional association of the amygdala and ventral prefrontal cortex during cognitive evaluation of facial expressions primed by masked angry faces: an event-related fMRI study Reviewed

M Nomura, H Ohira, K Haneda, T Iidaka, N Sadato, T Okada, Y Yonekura

NEUROIMAGE Vol. 21 ( 1 ) page： 352 - 363 2004.1

Language：English Publishing type：Research paper (scientific journal) Publisher：ACADEMIC PRESS INC ELSEVIER SCIENCE

The present study examined the functional association of the amygdala and right ventral prefrontal cortex (PFC) during cognitive evaluation of facial expressions. A situation was created where emotional valence of the stimuli was unconsciously manipulated by using subliminal affective priming. Twelve healthy volunteers were asked to evaluate the facial expressions of a target face (500-ms duration) such as "anger", "neutral", or "happy". All target faces expressed relatively weak anger. Just before the presentation of the target face, a prime of three conditions of 35-ms duration, angry face, neutral face, and white blank was presented. The subjects could not consciously identify the primes in this procedure. Activity in the right amygdala was greater with subliminal presentation of the angry prime compared with subliminal presentation of a neutral face or white-blank stimuli. Most importantly, the degree of activation of the right amygdala was negatively correlated with that of the right ventral PFC only with the anger prime. Furthermore, activation of the amygdala was positively correlated with rate of judgment when the subjects recognized anger in the target faces. These results are discussed in terms of the functional association between the right PFC and the amygdala and its influence on cognitive processing. (C) 2003 Elsevier Inc. All rights reserved.

DOI： 10.1016/j.neuroimage.2003.09.021

Web of Science

Functional association of the amygdala and ventral prefrontal cortex during cognitive evaluation of facial expressions primed by masked angry faces: An event-related fMRI study

Nomura M., Ohira H., Haneda K., Iidaka T., Sadato N., Okada T., Yonekura Y.

NeuroImage Vol. 21 ( 1 ) page： 352 - 363 2004.1

Language：English Publishing type：Research paper (scientific journal) Publisher：NeuroImage

DOI： 10.1016/j.neuroimage.2003.09.021

Scopus

Effects of expression and inhibition of negative emotions on health, mood states, and salivary secretory immunoglobulin A in Japanese mildly depressed undergraduates. Reviewed

Takagi, S., Ohira, H.

Perceptual and Motor Skills Vol. 98 page： 1187-1198 2004

Functional association of the amygdala and ventral prefrontal cortex during cognitive evaluation of facial expressions primed by masked angry faces: An event related fMRI study. Reviewed

Nomura, M., Ohira, H., Haneda, K., Iidaka, T., Sadato, N., Okada, T., Yonekura, Y.

Neuroimage Vol. 21 page： 352-363 2004

Authorship：Lead author Language：English Publishing type：Research paper (scientific journal)

The amygdala in the brain can detect emotional stimuli and can evoke emotional responses to the stimuli. This study clarified, by using fMRI, that the human amugdala can detect emotional stimuli even without conscious awareness, its activation is under inhibitory control of the right ventrolateral prefrontal cortex, and its activation can predict emotional responses for the stimuli.

Reactivity of immune, cardiovascular parameters to active and passive stress. Reviewed

Isowa, T., Ohira, H., & Murashima, S.

Biological Psychology Vol. 65 page： 101-120 2004

Eyeblink activity as an index of cognitive process: eyeblink reflects expectancy in semantic priming. Reviewed

Ichikawa, N., Ohira, H.

Perceptual and Motor Skills Vol. 98 page： 131-140 2004

Social support and salivary secretory immunoglobulin A response in women to stress of making a public speech. Reviewed

Ohira H.

Perceptual and Motor Skills Vol. 98 page： 1241-1250 2004

音楽聴取が日本の大学生の免疫，ホルモン，感情反応に与える影響 Reviewed

廣川恵理・大平英樹

音楽心理学音楽療法研究年報 Vol. 33 page： 21-29 2004

感情制御の神経基盤－腹側前頭前野による扁桃体活動のコントロール－ Invited

大平英樹

心理学評論 Vol. 47 page： 93-118 2004

特集「感情の神経科学」によせて Invited

大平英樹

心理学評論 Vol. 47 page： 93-118 2004

生物の学習・機械の学習・脳の学習-吉田・石井論文へのコメント- Invited

大平英樹

心理学評論 Vol. 47 page： 165-169 2004

Learning of animal, machine, and brain: Comments on Yoshida and Ishii’s article

OHIRA Hideki

JAPANESE PSYCHOLOGICAL REVIEW Vol. 47 ( 1 ) page： 165 - 169 2004

Which factors are related to the psychological effects on Shinrin-yoku (forest-air bathing and walking) ? - Two Pilot Studies

Morita Emi, Fukuda Sanae, Ohira Hideki, Nagano Jun, Yamamoto Hirokazu, Nakashima Tadashi, Iwai Yoshiya, Shirakawa Taro

The Japanese Forestry Society Congress Database Vol. 115 ( 0 ) page： B05 - B05 2004

Neural basis of emotion regulation: Control of prefrontal cortex over amygdalar activity

OHIRA Hideki

JAPANESE PSYCHOLOGICAL REVIEW Vol. 47 ( 1 ) page： 93 - 118 2004

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Papers - OHIRA, Hideki