Research Topics
| Koji JimuraSummaryAffiliation: Washington University School of Medicine Country: USA Publications
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Detail Information
Publications
Age-related shifts in brain activity dynamics during task switchingKoji Jimura
Department of Psychology, Washington University in St Louis, St Louis, MO 63139, USA
Cereb Cortex 20:1420-31. 2010..Together, these results suggest that older adults may shift from a proactive to reactive cognitive control strategy as a means of retaining relatively preserved behavioral performance in the face of age-related neurocognitive changes...
Involvement of medial prefrontal cortex in emotion during feedback presentationKoji Jimura
Department of Physiology, The University of Tokyo School of Medicine, Tokyo, Japan
Neuroreport 20:886-90. 2009..The results suggest that pMPFC also implements feedback-related emotional functions, which individually vary depending on depressive moods...- Temporal pole activity during perception of sad faces, but not happy faces, correlates with neuroticism traitKoji Jimura
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo, Japan 113 0033
Neurosci Lett 453:45-8. 2009..These results demonstrate differential roles for the temporal cortex in perception of happy and sad faces, and suggest that TP recruitment during understanding of negative emotions is dependent on the personality of the individuals... - Temporal pole activity during understanding other persons' mental states correlates with neuroticism traitKoji Jimura
Department of Physiology, The University of Tokyo School of Medicine, Tokyo, Japan
Brain Res 1328:104-12. 2010.... - Prefrontal cortex mediation of cognitive enhancement in rewarding motivational contextsKoji Jimura
Department of Psychology, Washington University, St Louis, MO 63130, USA
Proc Natl Acad Sci U S A 107:8871-6. 2010..Reward-sensitive individuals appear preferentially motivated to adopt this resource-demanding strategy, resulting in paradoxical benefits selectively for nonrewarded events... - On verbal/nonverbal modality dependence of left and right inferior prefrontal activation during performance of flanker interference taskHiroki M Morimoto
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo, Japan
J Cogn Neurosci 20:2006-14. 2008..These results suggest that the verbal/nonverbal hemispheric specialization in the IFG can be explained by cognitive control processes per se, independent of sensory aspects of presented materials... - Amygdalar modulation of frontotemporal connectivity during the inkblot testTomoki Asari
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo, Japan
Psychiatry Res 182:103-10. 2010..These results suggest that interference of emotion affects perception during the inkblot test... - Medial prefrontal activity during shifting under novel situationsSeiki Konishi
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo 113, Japan
Neurosci Lett 484:182-6. 2010..These results demonstrate the involvement of the medial prefrontal region in the shifting in the WCST, and suggest the differential roles of the dorsolateral and medial prefrontal regions during shifting under novel situations... - Efficiency of go/no-go task performance implemented in the left hemisphereSatoshi Hirose
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo 113, Japan
J Neurosci 32:9059-65. 2012.... - Role for presupplementary motor area in inhibition of cognitive set interferenceSeiki Konishi
Department of Physiology, The University of Tokyo School of Medicine, Bunkyo ku, Tokyo, Japan
J Cogn Neurosci 23:737-45. 2011..These results reveal dissociable inhibitory mechanisms in these two regions that are recruited in the different temporal contexts of the inhibitory demands imposed during performance of the task... - Functional dissociation in right inferior frontal cortex during performance of go/no-go taskJunichi Chikazoe
Department of Physiology, The University of Tokyo School of Medicine, Tokyo, Japan
Cereb Cortex 19:146-52. 2009..These results indicate that the pIFG and IFJ within the inferior frontal cortex are spatially close but are associated with different cognitive control processes in the go/no-go paradigm... - Differential temporo-parietal cortical networks that support relational and item-based recency judgmentsHiroko M Kimura
Department of Physiology, The University of Tokyo School of Medicine, Bunkyo ku, Tokyo 113, Japan
Neuroimage 49:3474-80. 2010..These results suggest that the two temporo-parietal networks differentially contribute to relational and item-based recency judgments... - Primary and secondary rewards differentially modulate neural activity dynamics during working memoryStefanie M Beck
Department of Psychology, Washington University in St Louis, St Louis, Missouri, United States of America
PLoS ONE 5:e9251. 2010..Cognitive control and working memory processes have been found to be influenced by changes in motivational state. Nevertheless, the impact of different motivational variables on behavior and brain activity remains unclear... 
Multiple components of lateral posterior parietal activation associated with cognitive set shiftingTomoki Asari
Department of Physiology, The University of Tokyo School of Medicine, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113, Japan
Neuroimage 26:694-702. 2005....- Amygdalar enlargement associated with unique perceptionTomoki Asari
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo, Japan
Cortex 46:94-9. 2010.... - Right temporopolar activation associated with unique perceptionTomoki Asari
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo 113 0033, Japan
Neuroimage 41:145-52. 2008..Thus, our results suggest that unique perception is produced by the integration of perceptual and emotional processes, and this integration might underlie essential parts of creative mental activities... - A critical component that activates the left inferior prefrontal cortex during interference resolutionKoji Jimura
Department of Physiology, The University of Tokyo School of Medicine, Tokyo, Japan
Eur J Neurosci 29:1915-20. 2009..C-PI), but to inhibition of PI per se (C-PI vs. N-PI). These results indicate that the left IFG plays its control role regardless of whether or not PI is congruent with correct performance of current trials... - Local signal time-series during rest used for areal boundary mapping in individual human brainsSatoshi Hirose
Department of Physiology, The University of Tokyo School of Medicine, Bunkyo ku, Tokyo, Japan
PLoS ONE 7:e36496. 2012..The boundaries were robust and reproducible across the two analyses, in two regions of interest tested. These results suggest that the information for areal boundaries is readily available inside the region of interest... - Dissociable concurrent activity of lateral and medial frontal lobe during negative feedback processingKoji Jimura
Department of Physiology, The University of Tokyo School of Medicine, Tokyo 113-0033, Japan
Neuroimage 22:1578-86. 2004..At the same time, the functional heterogeneity in the lateral and medial frontal lobe demands modifications of the traditional view of the functional organization of the frontal lobe... - Activation of right inferior frontal gyrus during response inhibition across response modalitiesJunichi Chikazoe
The University of Tokyo School of Medicine, Hongo, Tokyo, Japan
J Cogn Neurosci 19:69-80. 2007..These results suggest that the rIFG is part of a network active during response inhibition across different response modalities... - Differential superior prefrontal activity on initial versus subsequent shifts in naive subjectsSeiki Konishi
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo113, Japan
Neuroimage 41:575-80. 2008..The superior prefrontal activation distinguishable from the conventional inferior prefrontal activation suggests a selective role of this region in performance of the WCST in naive subjects... - Preparation to inhibit a response complements response inhibition during performance of a stop-signal taskJunichi Chikazoe
Department of Physiology, The University of Tokyo School of Medicine, Bunkyo ku, Tokyo 113 0033, Japan
J Neurosci 29:15870-7. 2009..These behavioral and imaging results suggest preparation makes a complementary contribution to response inhibition during performance of a stop-signal task... - Activation shift from medial to lateral temporal cortex associated with recency judgements following impoverished encodingSeiki Konishi
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo 113, Japan
Cereb Cortex 16:469-74. 2006..These results indicate multiple routes for recency judgements within the temporal lobe that are recruited depending on how past episodes are represented and retrieved for judgements of their temporal order... - Formation of long-term memory representation in human temporal cortex related to pictorial paired associatesKen ichiro Yamashita
Department of Physiology and Radiology, The University of Tokyo School of Medicine, Tokyo, Japan
J Neurosci 29:10335-40. 2009..The greater activity during retrieval of older memory developed in the temporal neocortex provides direct evidence of formation of temporal neocortical representation for stable long-term memory... - Sub-centimeter scale functional organization in human inferior frontal gyrusSatoshi Hirose
Department of Physiology, The University of Tokyo School of Medicine, 7 3 1 Hongo, Bunkyo ku, Tokyo 113, Japan
Neuroimage 47:442-50. 2009..These results provide a specific example of a pair of functionally characterized regions that are located in the close vicinity within the right IFG... - Neural mechanism in anterior prefrontal cortex for inhibition of prolonged set interferenceSeiki Konishi
Department of Physiology, University of Tokyo School of Medicine, Bunkyo ku, Tokyo 113, Japan
Proc Natl Acad Sci U S A 102:12584-8. 2005..These results revealed multiple inhibitory mechanisms in the lateral prefrontal cortex that are recruited in different temporal contexts of the interference from a previous cognitive set... - Are people really more patient than other animals? Evidence from human discounting of real liquid rewardsKoji Jimura
Department of Psychology, Washington University, Campus, One Brookings Drive, St Louis, MO 63130, USA
Psychon Bull Rev 16:1071-5. 2009.... - Prediction of subsequent recognition performance using brain activity in the medial temporal lobeTakamitsu Watanabe
Department of Physiology, The University of Tokyo School of Medicine, Tokyo, Japan
Neuroimage 54:3085-92. 2011..This accurate prediction suggests that MVPA can extract information that is associated not only with concurrent cognitive status, but also with behavior in the near future... - Transient activation of superior prefrontal cortex during inhibition of cognitive setSeiki Konishi
Department of Physiology, The University of Tokyo School of Medicine, Tokyo 113, Japan
J Neurosci 23:7776-82. 2003..These double dissociation results indicate inhibitory mechanisms in the superior prefrontal cortex, alternative to the inferior prefrontal ones, that are activated depending on the subjects' strategy for inhibition of cognitive set... - Impulsivity and self-control during intertemporal decision making linked to the neural dynamics of reward value representationKoji Jimura
Precision and Intelligence Laboratory, Tokyo Institute of Technology, Yokohama 226 8503, Japan
J Neurosci 33:344-57. 2013..These results link behavioral impulsivity and self-control to dynamically evolving neural representations of future reward value, not just during choice, but also during postchoice delay periods...