Ryuta Kawashima

Summary

Affiliation: Tohoku University
Country: Japan

Publications

  1. ncbi Cortical mechanisms of person representation: recognition of famous and personally familiar names
    Motoaki Sugiura
    Miyagi University of Education, Aramaki Aza Aoba 149, Aoba ku, Sendai 980 0845, Japan
    Neuroimage 31:853-60. 2006
  2. ncbi Comprehension of implicit meanings in social situations involving irony: a functional MRI study
    Keisuke Wakusawa
    Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, and Ishinomaki Red Cross Hospital, Japan
    Neuroimage 37:1417-26. 2007
  3. ncbi Changes in regional cerebral blood flow during self-paced arm and finger movements. A PET study
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC Tohoku University, Sendai, Japan
    Brain Res 716:141-8. 1996
  4. ncbi Direction of cross-modal information transfer affects human brain activation: a PET study
    Ryuta Kawashima
    NICHe, Tohoku University, Aramaki, Aoba, Aobaku, Sendai 980 8579, Japan
    Eur J Neurosci 16:137-44. 2002
  5. ncbi A functional MRI study of simple arithmetic--a comparison between children and adults
    Ryuta Kawashima
    NICHe, Tohoku University, Sendai, 980 8579, Japan
    Brain Res Cogn Brain Res 18:227-33. 2004
  6. ncbi The human amygdala plays an important role in gaze monitoring. A PET study
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC, Tohoku University, Aobaku, Sendai, Japan
    Brain 122:779-83. 1999
  7. ncbi Oculomotor sequence learning: a positron emission tomography study
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC, Tohoku University, Sendai, Japan
    Exp Brain Res 122:1-8. 1998
  8. ncbi Regional cerebral blood flow changes in human brain related to ipsilateral and contralateral complex hand movements--a PET study
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC, Tohoku University, Aobaku, Sendai, Japan
    Eur J Neurosci 10:2254-60. 1998
  9. ncbi Functional anatomy of GO/NO-GO discrimination and response selection--a PET study in man
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC, Tohoku University, Sendai, Japan
    Brain Res 728:79-89. 1996
  10. ncbi Reading aloud and arithmetic calculation improve frontal function of people with dementia
    Ryuta Kawashima
    NICHe, Tohoku University, Aramaki Aza Aoba, Aobaku Sendai 980 8579, Japan
    J Gerontol A Biol Sci Med Sci 60:380-4. 2005

Collaborators

Detail Information

Publications102 found, 100 shown here

  1. ncbi Cortical mechanisms of person representation: recognition of famous and personally familiar names
    Motoaki Sugiura
    Miyagi University of Education, Aramaki Aza Aoba 149, Aoba ku, Sendai 980 0845, Japan
    Neuroimage 31:853-60. 2006
    ..The results illustrated the neural correlates of the person representation as a network of discrete regions in the bilateral posterior cortices, with the anterior temporal cortices having a unique associative role...
  2. ncbi Comprehension of implicit meanings in social situations involving irony: a functional MRI study
    Keisuke Wakusawa
    Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, and Ishinomaki Red Cross Hospital, Japan
    Neuroimage 37:1417-26. 2007
    ....
  3. ncbi Changes in regional cerebral blood flow during self-paced arm and finger movements. A PET study
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC Tohoku University, Sendai, Japan
    Brain Res 716:141-8. 1996
    ....
  4. ncbi Direction of cross-modal information transfer affects human brain activation: a PET study
    Ryuta Kawashima
    NICHe, Tohoku University, Aramaki, Aoba, Aobaku, Sendai 980 8579, Japan
    Eur J Neurosci 16:137-44. 2002
    ..Our results suggest that the human brain mechanisms underlying cross-modal discrimination have two different pathways depending on the temporal order in which stimuli are presented...
  5. ncbi A functional MRI study of simple arithmetic--a comparison between children and adults
    Ryuta Kawashima
    NICHe, Tohoku University, Sendai, 980 8579, Japan
    Brain Res Cogn Brain Res 18:227-33. 2004
    ..The results indicate that cortical networks involved in simple arithmetic are similar among arithmetic operations, and may not show significant changes in the structure during the second decade of life...
  6. ncbi The human amygdala plays an important role in gaze monitoring. A PET study
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC, Tohoku University, Aobaku, Sendai, Japan
    Brain 122:779-83. 1999
    ..This suggests that the human amygdala plays a role in reading social signals from the face...
  7. ncbi Oculomotor sequence learning: a positron emission tomography study
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC, Tohoku University, Sendai, Japan
    Exp Brain Res 122:1-8. 1998
    ..The results indicate that these fields function as a part of the neural network involved in the learning of sequential saccadic eye movements...
  8. ncbi Regional cerebral blood flow changes in human brain related to ipsilateral and contralateral complex hand movements--a PET study
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC, Tohoku University, Aobaku, Sendai, Japan
    Eur J Neurosci 10:2254-60. 1998
    ....
  9. ncbi Functional anatomy of GO/NO-GO discrimination and response selection--a PET study in man
    R Kawashima
    Department of Nuclear Medicine and Radiology, IDAC, Tohoku University, Sendai, Japan
    Brain Res 728:79-89. 1996
    ..The results indicate that the prefrontal cortex of the right hemisphere may be a key structure to make a decision not to move...
  10. ncbi Reading aloud and arithmetic calculation improve frontal function of people with dementia
    Ryuta Kawashima
    NICHe, Tohoku University, Aramaki Aza Aoba, Aobaku Sendai 980 8579, Japan
    J Gerontol A Biol Sci Med Sci 60:380-4. 2005
    ..The purpose of this study was to measure the effect of reading aloud and arithmetic calculation, by elderly people who were clinically diagnosed with dementia Alzheimer type, on their brain functions and activities of daily living...
  11. ncbi The neural basis of agency: an fMRI study
    Yukihito Yomogida
    Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Neuroimage 50:198-207. 2010
    ..SM errors activated the pre-SMA and the right posterior superior temporal sulcus. Our results suggest that the SMA, cerebellum, and some parts of the PPC and EBA serve as the neural bases of agency...
  12. ncbi Cortical mechanisms of visual self-recognition
    Motoaki Sugiura
    NICHe, Tohoku University, Aramaki Aoba 10, Aoba ku, Sendai 980 8579, Japan
    Neuroimage 24:143-9. 2005
    ..Activation of the left fusiform gyrus selective to one's own face was consistent with the results of two previous functional imaging studies and a neuropsychological report, possibly suggesting its relationship with lexical processing...
  13. ncbi Dissociable roles of the anterior temporal regions in successful encoding of memory for person identity information
    Takashi Tsukiura
    Tohoku University, Sendai, Japan
    J Cogn Neurosci 22:2226-37. 2010
    ....
  14. ncbi Cortical mechanisms involved in the processing of verbs: an fMRI study
    Satoru Yokoyama
    Graduate School International Cultural Studies GSICS, Tohoku University, Japan
    J Cogn Neurosci 18:1304-13. 2006
    ..Furthermore, this study also shows that the left inferior frontal cortex is related to the processing of verbal inflectional morphology...
  15. ncbi The human parietal cortex is involved in spatial processing of tongue movement-an fMRI study
    Jobu Watanabe
    New Industry Creation Hatchery Center, Tohoku University, Sendai 980 8579, Japan
    Neuroimage 21:1289-99. 2004
    ....
  16. ncbi Correlation between gray matter density-adjusted brain perfusion and age using brain MR images of 202 healthy children
    Yasuyuki Taki
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Aobaku, Senda, Japan
    Hum Brain Mapp 32:1973-85. 2011
    ..Our results indicate that higher order association cortices mature after the lower order cortices, and may help clarify the mechanisms of normal brain maturation from the viewpoint of brain perfusion...
  17. ncbi Decrease in glucose metabolism in frontal cortex associated with deterioration of microstructure of corpus callosum measured by diffusion tensor imaging in healthy elderly
    Kentaro Inoue
    Department of Nuclear Medicine and Radiology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Hum Brain Mapp 29:375-84. 2008
    ..The results indicate that neuronal activity in the frontal cortices may decrease with the disruption of the microstructures of the CC without corresponding gray matter atrophy...
  18. ncbi The neural basis of the hemodynamic response nonlinearity in human primary visual cortex: Implications for neurovascular coupling mechanism
    Xiaohong Wan
    Advanced Science and Technology of Materials, NICHe, Tohoku University, Sendai, 980 8579 Miyagi, Japan
    Neuroimage 32:616-25. 2006
    ..Specifically, it is shown that the transferring function of the neurovascular coupling is likely a power transducer, which integrates the fast dynamics of neural activity into the vascular input of slow hemodynamics...
  19. ncbi Effects of aging on hippocampal and anterior temporal activations during successful retrieval of memory for face-name associations
    Takashi Tsukiura
    Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    J Cogn Neurosci 23:200-13. 2011
    ..Taken together, age-related differences in hippocampal activities and hippocampus-ATL connectivity could contribute to age-related decline in relational memory and to complaints of poor retrieval of people's names by older adults...
  20. ncbi Extraction of situational meaning by integrating multiple meanings in a complex environment: a functional MRI study
    Motoaki Sugiura
    Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Aoba ku, Sendai, Japan
    Hum Brain Mapp 30:2676-88. 2009
    ..Results demonstrate independent processing of object aversiveness and person-directed intention in the left temporal-orbitofrontal and superior frontal networks, respectively, and their integration into situational meaning in the MPFC...
  21. ncbi Neural correlates of processing situational relationships between a part and the whole: an fMRI study
    Keisuke Wakusawa
    Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Neuroimage 48:486-96. 2009
    ..We demonstrated that the hierarchical structure of processing situational relationships consisted of implicit monitoring, explicit monitoring, and category-specific responses to irrelevance...
  22. ncbi Self-face recognition in social context
    Motoaki Sugiura
    IDAC, Tohoku University, Sendai, Japan
    Hum Brain Mapp 33:1364-74. 2012
    ..At least three brain networks for self-face-specific activation may be dissociated by different patterns of response-modulation in the social context, suggesting multiple dynamic self-other representations in the human brain...
  23. ncbi Both global gray matter volume and regional gray matter volume negatively correlate with lifetime alcohol intake in non-alcohol-dependent Japanese men: a volumetric analysis and a voxel-based morphometry
    Yasuyuki Taki
    Department of Nuclear Medicine and Radiology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Alcohol Clin Exp Res 30:1045-50. 2006
    ....
  24. ncbi Anatomical segregation of representations of personally familiar and famous people in the temporal and parietal cortices
    Motoaki Sugiura
    Tohoku University, Sendai, Japan
    J Cogn Neurosci 21:1855-68. 2009
    ....
  25. ncbi Brain activation during the course of sentence comprehension
    Naho Ikuta
    LBC Research Center, Tohoku University 21st Century of Excellence Program in Humanities, Sendai, Japan
    Brain Lang 97:154-61. 2006
    ..We suggest that these brain areas are involved in sentence comprehension in this temporal order...
  26. ncbi Relationship between body mass index and gray matter volume in 1,428 healthy individuals
    Yasuyuki Taki
    Department of Nuclear Medicine and Radiology, Institute of Development, Aging and Cancer IDAC, Tohoku University, Sendai, Japan
    Obesity (Silver Spring) 16:119-24. 2008
    ....
  27. ncbi Effect of motion smoothness on brain activity while observing a dance: An fMRI study using a humanoid robot
    Naoki Miura
    Department of Functional Brain Imaging, IDAC, Tohoku University, Japan
    Soc Neurosci 5:40-58. 2010
    ..Thus, our results suggest that activity in the cortical network involved in understanding action is influenced by personal attitudes about the consciousness of art during observations of expressive body actions...
  28. ncbi The human prefrontal and parietal association cortices are involved in NO-GO performances: an event-related fMRI study
    Jobu Watanabe
    Department of Nuclear Medicine and Radiology, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan
    Neuroimage 17:1207-16. 2002
    ..The results indicate that brain networks consisting of the bilateral prefrontal, intraparietal, and occipitotemporal cortices may play an important role in executing a NO-GO response...
  29. ncbi Different roles of the frontal and parietal regions in memory-guided saccade: a PCA approach on time course of BOLD signal changes
    Motoaki Sugiura
    NICHe, Tohoku University, Sendai, Japan
    Hum Brain Mapp 23:129-39. 2004
    ..The results suggest that the frontal regions are more associated with the execution of saccade, and the parietal regions with visuospatial representation, presumably in the sensory domain...
  30. ncbi Effect of syntactic similarity on cortical activation during second language processing: a comparison of English and Japanese among native Korean trilinguals
    Hyeonjeong Jeong
    Graduate School of International Cultural Studies, Tohoku University, Sendai, Japan
    Hum Brain Mapp 28:194-204. 2007
    ..Our research supports the notion that linguistic similarity between L1 and L2 affects the cortical processing of second language...
  31. ncbi Context-dependent cortical activation in response to financial reward and penalty: an event-related fMRI study
    Yuko Akitsuki
    Department of Psychiatry, NICHe, Tohoku University Graduate School of Medicine, Aoba 10, Aramaki, Aoba ku, Sendai, Miyagi 980 8579, Japan
    Neuroimage 19:1674-85. 2003
    ..These context-dependent activities appear to be crucial for adapting oneself to new circumstances and may account for clinical symptoms of various mental illnesses in which dysfunction of these regions has been reported...
  32. ncbi Neural Correlates of the Difference between Working Memory Speed and Simple Sensorimotor Speed: An fMRI Study
    Hikaru Takeuchi
    Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    PLoS ONE 7:e30579. 2012
    ....
  33. ncbi Correlation among body height, intelligence, and brain gray matter volume in healthy children
    Yasuyuki Taki
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980 8575, Japan
    Neuroimage 59:1023-7. 2012
    ....
  34. ncbi Verbal working memory performance correlates with regional white matter structures in the frontoparietal regions
    Hikaru Takeuchi
    Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University, Aoba ku, Sendai, Japan
    Neuropsychologia 49:3466-73. 2011
    ....
  35. ncbi Is Broca's area involved in the processing of passive sentences? An event-related fMRI study
    Satoru Yokoyama
    Graduate School of International Cultural Studies, Tohoku University, Kawauchi, Aoba ku, Sendai shi, Miyagi ken 980 8576, Japan
    Neuropsychologia 45:989-96. 2007
    ..Thus, our neuroimaging results suggest that deficits in the comprehension of passive sentences in Japanese aphasics are induced not by lesions to Broca's area, but to the left frontal operculum and/or the inferior parietal lobule...
  36. ncbi Face-specific and domain-general characteristics of cortical responses during self-recognition
    Motoaki Sugiura
    Department of Functional Brain Imaging, IDAC, Tohoku University, Sendai, Japan
    Neuroimage 42:414-22. 2008
    ....
  37. ncbi Learning second language vocabulary: neural dissociation of situation-based learning and text-based learning
    Hyeonjeong Jeong
    Department of Functional Imaging, Institute of Development, Aging and Cancer, Tohoku University, Aoba ku, Sendai, Japan
    Neuroimage 50:802-9. 2010
    ..Our findings indicate that the brain regions that mediate L2 memory differ according to how L2 words are learned and used...
  38. ncbi Correlation between gray/white matter volume and cognition in healthy elderly people
    Yasuyuki Taki
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Brain Cogn 75:170-6. 2011
    ..Our results suggest that individual variability in specific cognitive functions that are relatively well preserved with aging is accounted for by the variability of gray matter volume in healthy elderly subjects...
  39. ncbi Training of working memory impacts structural connectivity
    Hikaru Takeuchi
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Aoba ku, Sendai, Japan
    J Neurosci 30:3297-303. 2010
    ..Observed structural changes may underlie previously reported improvement of working memory capacity, improvement of other cognitive functions, and altered functional activity following working memory training...
  40. ncbi Sleep duration during weekdays affects hippocampal gray matter volume in healthy children
    Yasuyuki Taki
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980 8575, Japan
    Neuroimage 60:471-5. 2012
    ..Our results indicated that sleep duration affects the hippocampal regional gray matter volume of healthy children. These findings advance our understanding of the importance of sleep habits in the daily lives of healthy children...
  41. ncbi Brain training game improves executive functions and processing speed in the elderly: a randomized controlled trial
    Rui Nouchi
    Smart Ageing International Research Centre, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    PLoS ONE 7:e29676. 2012
    ..Here we investigate the impact of the brain training game (Brain Age) on cognitive functions in the elderly...
  42. ncbi Age-related changes in topological organization of structural brain networks in healthy individuals
    Kai Wu
    Department of Nuclear Medicine and Radiology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan 980 8575
    Hum Brain Mapp 33:552-68. 2012
    ..The organization eventually altered greatly, shifting to a more localized organization in old age. Our findings provided quantitative insights into topological principles of structural brain networks and changes related to normal aging...
  43. ncbi Regional gray and white matter volume associated with Stroop interference: evidence from voxel-based morphometry
    Hikaru Takeuchi
    Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Department of Functional Brain Imaging, Faculty of Medicine, Tohoku University, Sendai, Japan
    Neuroimage 59:2899-907. 2012
    ..Of note, our findings support the notion that ACC contributes to Stroop performance and show the involvement of regions that have been implicated in response inhibition and attention...
  44. ncbi Neural bases of a specific strategy for visuospatial processing in rugby players
    Atsushi Sekiguchi
    Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Med Sci Sports Exerc 43:1857-62. 2011
    ..A previous study claimed that rugby players have high visuospatial awareness, which is induced by a strategy described as taking a "bird's eye view."..
  45. ncbi Cerebral blood flow during rest associates with general intelligence and creativity
    Hikaru Takeuchi
    Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    PLoS ONE 6:e25532. 2011
    ....
  46. ncbi Large-scale heterogeneous representation of sound attributes in rat primary auditory cortex: from unit activity to population dynamics
    Takeshi Ogawa
    Department of Functional Brain Imaging and Smart Aging International Research Center, Institute of Development, Aging, and Cancer, Tohoku University, Sendai 980 8575, Japan
    J Neurosci 31:14639-53. 2011
    ..We concluded that, for rats, sounds are codified in A1 by segregated networks of specialized PCs whose postsynaptic activity impinges on the emergence of sparse/dense spiking patterns...
  47. ncbi Artifact reduction for simultaneous EEG/fMRI recording: adaptive FIR reduction of imaging artifacts
    Xiaohong Wan
    Advanced Science and Technology of Materials, NICHe, Tohoku University, Aobaku, Sendai 980 8579, Japan
    Clin Neurophysiol 117:681-92. 2006
    ....
  48. ncbi Gender differences in partial-volume corrected brain perfusion using brain MRI in healthy children
    Yasuyuki Taki
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Neuroimage 58:709-15. 2011
    ..The findings showed significant differences between boys and girls in brain perfusion with PVC, and these differences may contribute to gender differences in the cognitive ability of healthy children...
  49. ncbi Working memory training using mental calculation impacts regional gray matter of the frontal and parietal regions
    Hikaru Takeuchi
    Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    PLoS ONE 6:e23175. 2011
    ..These results confirm the training-induced plasticity in psychological mechanisms and the plasticity of gray matter structures in regions that have been assumed to be under strong genetic control...
  50. ncbi Effects of training of processing speed on neural systems
    Hikaru Takeuchi
    Smart Ageing International Research Center, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980 8575, Japan
    J Neurosci 31:12139-48. 2011
    ..The observed neural changes caused by PS training may give us new insights into how PS training, and possibly other cognitive training, can improve PS...
  51. ncbi Beneficial effects of reading aloud and solving simple arithmetic calculations (learning therapy) on a wide range of cognitive functions in the healthy elderly: study protocol for a randomized controlled trial
    Rui Nouchi
    Smart Ageing International Research Centre, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980 8575, Japan
    Trials 13:32. 2012
    ..We investigate the impact of learning therapy on various cognitive functions (executive functions, episodic memory, short-term memory, working memory, attention, reading ability, and processing speed) in healthy older adults...
  52. ncbi The correlation between brain gray matter volume and empathizing and systemizing quotients in healthy children
    Yuko Sassa
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980 8575, Japan
    Neuroimage 60:2035-41. 2012
    ....
  53. ncbi Neural basis of sentence processing in which incoming words form a sentence
    Naho Ikuta
    Institute of Development, Aging and Cancer, Tohoku University, Aobaku, Sendai, Miyagi, Japan
    Neuroreport 20:531-5. 2009
    ..The processing cost for an object-initial sentence was observed during verb recognition. Our results suggest that the syntactic complexity of an object-initial sentence is processed by the human brain upon verb recognition...
  54. ncbi Target dependency of brain mechanism involved in dispositional inference: a PET study
    Motoaki Sugiura
    NICHe, Tohoku University, Sendai, Japan
    Neuroimage 21:1377-86. 2004
    ....
  55. ncbi Neural bases of human mate choice: multiple value dimensions, sex difference, and self-assessment system
    Risa Funayama
    Faculty of Education, Miyagi University of Education, Sendai, Japan
    Soc Neurosci 7:59-73. 2012
    ..The results thus provide neuroscientific support for the multi-component mate-choice mechanism...
  56. ncbi A longitudinal study of gray matter volume decline with age and modifying factors
    Yasuyuki Taki
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, 4 1 Seiryocho, Aobaku, Sendai 980 8575, Japan
    Neurobiol Aging 32:907-15. 2011
    ..The APC(GMR) of younger women was lower than that in older women and men. Our results may help in understanding the mechanism(s) of normal brain aging, and in distinguishing neurodegenerative diseases from normal aging...
  57. ncbi Correlation between degree of white matter hyperintensities and global gray matter volume decline rate
    Yasuyuki Taki
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Aobaku, Sendai, Japan
    Neuroradiology 53:397-403. 2011
    ..The purpose of the present study was to reveal the relationship between the degree of WMHs at baseline and the rate of global gray matter volume decline by applying a longitudinal design...
  58. ncbi The representation of social interaction in episodic memory: a functional MRI study
    Yoko Mano
    Department of Functional Brain Imaging, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Neuroimage 57:1234-42. 2011
    ....
  59. ncbi Cortical activation in the processing of passive sentences in L1 and L2: an fMRI study
    Satoru Yokoyama
    Graduate School of International Cultural Studies GSICS, Tohoku University, Kawauchi, Aoba ku, Sendai shi, Miyagi ken, 980 8576, Japan
    Neuroimage 30:570-9. 2006
    ..These results suggest that, in addition to age of L2 acquisition and L2 proficiency, differences in grammatical construction affect cortical representation during the comprehension of L1 and L2...
  60. ncbi Correlations among brain gray matter volumes, age, gender, and hemisphere in healthy individuals
    Yasuyuki Taki
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    PLoS ONE 6:e22734. 2011
    ..No regional volumes showed significant age × hemisphere interactions. Our study may contribute to clarifying the mechanism(s) of normal brain aging in each brain region...
  61. ncbi The role of the basal forebrain in episodic memory retrieval: a positron emission tomography study
    Toshikatsu Fujii
    Division of Neuropsychology, Graduate School of Medicine, Tohoku University, Sendai 980-8575, Japan
    Neuroimage 15:501-8. 2002
    ..Our results provide clear evidence that the human basal forebrain has a specific role in episodic memory recall, especially that from time-contextual information...
  62. ncbi Cortical activation during reading of ancient versus modern Japanese texts: fMRI study
    Naoki Miura
    Graduate School of Engineering, NICHe, Tohoku University, Sendai, Japan
    Neuroimage 26:426-31. 2005
    ..Our results indicate that ancient Japanese language may be processed as a foreign language...
  63. ncbi The overlapping community structure of structural brain network in young healthy individuals
    Kai Wu
    Department of Nuclear Medicine and Radiology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    PLoS ONE 6:e19608. 2011
    ..This study provides the first report of the overlapping community structure of the structural network of the human brain...
  64. ncbi Regional gray matter density associated with emotional intelligence: evidence from voxel-based morphometry
    Hikaru Takeuchi
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Hum Brain Mapp 32:1497-510. 2011
    ..These findings suggest that each factor of EI in healthy young people is related to the specific brain regions known to be involved in the networks of social cognition and self-related recognition, and in the somatic marker circuitry...
  65. ncbi Aging and decision making under uncertainty: behavioral and neural evidence for the preservation of decision making in the absence of learning in old age
    S M Hadi Hosseini
    Department of Management Science and Technology, Graduate School of Engineering, Tohoku University, Aoba ku, Sendai, Japan
    Neuroimage 52:1514-20. 2010
    ..Together, this study demonstrates behavioral and neural evidence for the preservation of decision making in older adults when information about the contingencies of the outcome is available...
  66. ncbi Cortical activation during reading aloud of long sentences: fMRI study
    Naoki Miura
    NICHe, Tohoku University, Sendai, Japan
    Neuroreport 14:1563-6. 2003
    ..Our results indicate that bilateral frontal-temporal networks are involved in phonological processing during reading aloud...
  67. ncbi Male elderly subthreshold depression patients have smaller volume of medial part of prefrontal cortex and precentral gyrus compared with age-matched normal subjects: a voxel-based morphometry
    Yasuyuki Taki
    Department of Nuclear Medicine and Radiology, Institute of Development, Aging and Cancer, Tohoku University, 4 1 Seiryo cho, Aoba ku, Sendai 980 8575, Japan
    J Affect Disord 88:313-20. 2005
    ....
  68. ncbi Regional gray matter volume of dopaminergic system associate with creativity: evidence from voxel-based morphometry
    Hikaru Takeuchi
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Neuroimage 51:578-85. 2010
    ....
  69. ncbi Neural basis of the retrieval of people's names: evidence from brain-damaged patients and fMRI
    Takashi Tsukiura
    Tohoku University, Japan
    J Cogn Neurosci 14:922-37. 2002
    ....
  70. ncbi Failing to deactivate: the association between brain activity during a working memory task and creativity
    Hikaru Takeuchi
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Aoba ku, Sendai, Japan
    Neuroimage 55:681-7. 2011
    ....
  71. ncbi An evaluation of the conductivity profile in the somatosensory barrel cortex of Wistar rats
    Takakuni Goto
    Tohoku University, Institute of Development, Aging and Cancer, Sendai 980 8575, Japan
    J Neurophysiol 104:3388-412. 2010
    ..We concluded that the conductivity profile must be included in future developments of CSD analysis, especially for rodents...
  72. ncbi Effects of working memory training on cognitive functions and neural systems
    Hikaru Takeuchi
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    Rev Neurosci 21:427-49. 2010
    ..Still, a number of important issues remain uninvestigated, and we anticipate that future studies will solve these issues...
  73. ncbi Breakfast staple types affect brain gray matter volume and cognitive function in healthy children
    Yasuyuki Taki
    Division of Developmental Cognitive Neuroscience at the Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
    PLoS ONE 5:e15213. 2010
    ....
  74. ncbi A mini-cap for simultaneous EEG and fMRI recording in rodents
    Akira Sumiyoshi
    Institute of Development, Aging and Cancer, Tohoku University, Aoba ku, Sendai, Japan
    Neuroimage 54:1951-65. 2011
    ..In light of the contemporary transgenic models and advanced drug administration protocols in rodents, the proposed methodology could be remarkable as a futurist experimental platform...
  75. ncbi White matter structures associated with creativity: evidence from diffusion tensor imaging
    Hikaru Takeuchi
    Division of Developmental Cognitive Neuroscience, Institute of Development, Aging and Cancer, Department of Funictional Brain Imaging, Tohoku University 4 1 Seiryo cho, Aoba ku, Sendai 980 8575, Japan
    Neuroimage 51:11-8. 2010
    ....
  76. ncbi Encoding-related brain activity during deep processing of verbal materials: a PET study
    Toshikatsu Fujii
    Division of Neuropsychology, Department of Disability Medicine, Tohoku University Graduate School of Medicine, 2 1 Seiro machi, Aoba ku, Sendai 980 8575, Japan
    Neurosci Res 44:429-38. 2002
    ..Our results demonstrated that several regions, including the medial temporal lobe, play a role in episodic memory encoding...
  77. ncbi Can personality traits predict pathological responses to audiovisual stimulation?
    Tomoyuki Yambe
    Department of Medical Engineering and Cardiology, Institute of Development, Aging and Cancer, Tohoku University, 4 1 Seiryo machi, Aoba ku, Sendai 980 stH5, Japan
    Biomed Pharmacother 57:83s-86s. 2003
    ..By examining such directivity, it is expected that subjects, which show morbid reaction to an audiovisual stimulation, can be screened beforehand...
  78. ncbi A state-space model of the hemodynamic approach: nonlinear filtering of BOLD signals
    Jorge J Riera
    Advanced Science and Technology of Materials, NICHe, Tohoku University, Sendai 980 8579, Japan
    Neuroimage 21:547-67. 2004
    ....
  79. ncbi Voxel-based morphometry of human brain with age and cerebrovascular risk factors
    Yasuyuki Taki
    Department of Nuclear Medicine and Radiology, Institute of Development, Aging and Cancer, Tohoku University, 4 1 Seiryocho, Aobaku, 980 8575 Sendai, Japan
    Neurobiol Aging 25:455-63. 2004
    ..Voxel-based morphometry showed that age, systolic blood pressure, and alcohol drinking correlated with the regional tissue probabilities of the gray matter and white matter...
  80. ncbi Artifact reduction for EEG/fMRI recording: nonlinear reduction of ballistocardiogram artifacts
    Xiaohong Wan
    Advanced Science and Technology of Materials NICHe, Tohoku University, Aobaku, Sendai 980 8579, Japan
    Clin Neurophysiol 117:668-80. 2006
    ..5 T static magnetic field scanner with no fMRI scanning, which conserves the time and frequency features of event-related EEG activity...
  81. ncbi Nonlinear local electrovascular coupling. I: A theoretical model
    Jorge J Riera
    Advanced Science and Technology of Materials, NICHe, Tohoku University, Sendai, Japan
    Hum Brain Mapp 27:896-914. 2006
    ..In a second part, a recursive optimization algorithm is developed and used to make statistical inferences about this forward/generative model from actual data...
  82. ncbi Changes in regional cerebral blood flow abnormalities in late-life depression following response to electroconvulsive therapy
    Shuichi Awata
    Department of Psychiatry, Tohoku University School of Medicine, Sendai, Japan
    Psychiatry Clin Neurosci 56:31-40. 2002
    ....
  83. ncbi Neural bases of goal-directed implicit learning
    Maryam Rostami
    Department of Management Science and Technology, Graduate School of Engineering, Tohoku University, 6 6 11 808, Aramaki Aza Aoba, Aoba ku, Sendai, 980 8579, Japan
    Neuroimage 48:303-10. 2009
    ....
  84. ncbi Concurrent observations of astrocytic Ca(2+) activity and multisite extracellular potentials from an intact cerebral cortex
    Jorge Riera
    The Institute of Development, Aging and Cancer IDAC, Tohoku University, 4 1 Seiryocho, Aobaku, Sendai 980 8575, Japan
    J Biophotonics 3:147-60. 2010
    ....
  85. ncbi Somatotopical relationships between cortical activity and reflex areas in reflexology: a functional magnetic resonance imaging study
    Tomomi Nakamaru
    Tohoku University School of Medicine, Sendai, Japan
    Neurosci Lett 448:6-9. 2008
    ..Thus, the findings showed that reflexological stimulation induced a somatosensory process corresponding to the stimulated reflex area and that a neuroimaging approach can be used to examine the basis of reflexology effects...
  86. ncbi A NIRS-based brain-computer interface system during motor imagery: system development and online feedback training
    Shin ichiro Kanoh
    Graduate School of Engineering, Tohoku University, Aoba yama 6 6 05, Sendai, 980 8579 Japan
    Conf Proc IEEE Eng Med Biol Soc 2009:594-7. 2009
    ..Detailed investigation of the effect of the online feedback training on brain activities was left for further study...
  87. ncbi A theoretical formulation of the electrophysiological inverse problem on the sphere
    Jorge J Riera
    Department of Advanced Science and Technology of Materials, New Industry Creation Hatchery Center NICHe, Tohoku University, Aoba 6 6 10, Aramaki, Aoba ku, Sendai 980 8579, Japan
    Phys Med Biol 51:1737-58. 2006
    ....
  88. ncbi Cortical mechanism of communicative speech production
    Yuko Sassa
    RISTEX, JST, Hon cho 4 1 8, Kawaguchi 332 0012, Japan
    Neuroimage 37:985-92. 2007
    ..The precuneus was activated during the communication task only with the familiar actor, suggesting that this region is related to access to biographical information per se...
  89. ncbi [Brain mechanisms involved in monitoring gaze direction]
    Ryuta Kawashima
    Tohoku University, 10 Aoba, Aramaki, Aoba-ku, Sendai 980-8579, Japan
    No To Shinkei 56:99-106. 2004
  90. ncbi [Cognitive rehabilitation for Alzheimer disease--the learning therapy]
    Ryuta Kawashima
    NICHe, Tohoku University
    Rinsho Shinkeigaku 45:864-6. 2005
    ..Our results indicate that learning tasks of reading aloud and arithmetic calculation can be used for cognitive rehabilitation, which improves frontal functions, of dementia patients...
  91. ncbi [Bridges between brain-informatics and brain aging]
    Ryuta Kawashima
    NICHe, Tohoku University, 6-6-10 Aramaki, Aoba, Aobaku, Sendai 980-8579, Japan
    Seikagaku 78:262-6. 2006
  92. ncbi Neuroanatomical database of normal Japanese brains
    Kazunori Sato
    IDAC, Tohoku University, 4-1 Seiryocho, Aobaku, Sendai 980-8575, Japan
    Neural Netw 16:1301-10. 2003
    ..We assume that this kind of database is quite useful to investigators who are engaged in basic neuroscience, clinical diagnostics and evaluation of neuropsychiatric disorders in patients...
  93. ncbi [Cognitive rehabilitation--the learning therapy for the senile dementia]
    Atsushi Sekiguchi
    Institute of Development, Aging and Cancer, Tohoku University, 4 1 Seiryou machi, Aoba ku, Sendai, Japan
    Brain Nerve 59:357-65. 2007
    ..The effect of prevention against dementia is also being studied. Furthermore, we propose a new educational program for the cognitive development disorders to improve their prefrontal functions...
  94. ncbi Time-dependent contribution of the hippocampal complex when remembering the past: a PET study
    Takashi Tsukiura
    Brain Architecture Analysis Group, Neuroscience Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba Central 2, 1 1 1 Umezono, Tsukuba, Japan
    Neuroreport 13:2319-23. 2002
    ..These data suggest a possibility of time-dependent hippocampal contribution in episodic recall, which cannot be understood in simple terms of recent remote memory dichotomy...
  95. ncbi Regional changes in human cerebral blood flow during dipyridamole stress: neural activation in the thalamus and prefrontal cortex
    Hiroshi Ito
    Department of Radiology and Nuclear Medicine, Akita Research Institute of Brain and Blood Vessels, Akita, Japan
    Neuroimage 16:788-93. 2002
    ....
  96. ncbi Thinking of the future and past: the roles of the frontal pole and the medial temporal lobes
    Jiro Okuda
    Institute of Cognitive Neuroscience, University College London, 17 Queen Square, London WC1N 3AR, UK
    Neuroimage 19:1369-80. 2003
    ....
  97. ncbi Mental visual synthesis is originated in the fronto-temporal network of the left hemisphere
    Yukihito Yomogida
    Tohoku University School of Medicine, Sendai 980-8575, Japan
    Cereb Cortex 14:1376-83. 2004
    ..Our results indicate that the source of mental visual synthesis may be formed by activity of a brain network consisting of these areas, which are also involved in semantic operations and visual imagery...
  98. ncbi Role of the cerebellum in implicit motor skill learning: a PET study
    Michikazu Matsumura
    Faculty of Human Studies, Kyoto University, Kyoto, Japan
    Brain Res Bull 63:471-83. 2004
    ..The activity of these regions was less prominent with prior training than without it. Thus the left cerebellar hemisphere may be related to learning transfer across hands...
  99. ncbi [A new intervention program for improvement of cognitive functions of senile dementia patients]
    Ryuta Kawashima
    Seishin Shinkeigaku Zasshi 107:1305-9. 2005
    ..Our results indicate that learning tasks of reading aloud and arithmetic calculation can be used for cognitive rehabilitation, which improves frontal functions of dementia patients...
  100. ncbi Multiple brain networks for visual self-recognition with different sensitivity for motion and body part
    Motoaki Sugiura
    Miyagi University of Education, Aramaki Aza Aoba 149, Aoba ku, Sendai 980 0845, Japan
    Neuroimage 32:1905-17. 2006
    ..The results thus supported and provided evidence of multiple brain networks for visual self-recognition...
  101. ncbi Electromagnetic source imaging: Backus-Gilbert resolution spread function-constrained and functional MRI-guided spatial filtering
    Xiaohong Wan
    Laboratory for Cognitive Brain Mapping, RIKEN Brain Science Institute, Wako, Saitama 351 0198, Japan
    Hum Brain Mapp 29:627-43. 2008
    ....