Hidehiko Komatsu

Summary

Affiliation: National Institute for Physiological Sciences
Country: Japan

Publications

  1. ncbi request reprint Mechanisms of central color vision
    H Komatsu
    Laboratory of Neural Control, National Institute for Physiological Sciences, Aichi, Japan
    Curr Opin Neurobiol 8:503-8. 1998
  2. ncbi request reprint The neural mechanisms of perceptual filling-in
    Hidehiko Komatsu
    National Institute for Physiological Sciences and Graduate University for Advanced Studies SOKENDAI, Myodaiji, Okazaki, Aichi, Japan
    Nat Rev Neurosci 7:220-31. 2006
  3. ncbi request reprint Neural responses in the primary visual cortex of the monkey during perceptual filling-in at the blind spot
    Hidehiko Komatsu
    Laboratory of Neural Control, National Institute for Physiological Sciences, Myodaiji, Okazaki shi, Aichi 444 8585, Japan
    Neurosci Res 44:231-6. 2002
  4. ncbi request reprint Neural responses in the retinotopic representation of the blind spot in the macaque V1 to stimuli for perceptual filling-in
    H Komatsu
    Laboratory of Neural Control, National Institute for Physiological Sciences, Myodaiji, Okazaki shi, Aichi, 444 8585 Japan
    J Neurosci 20:9310-9. 2000
  5. pmc Color selectivity of neurons in the posterior inferior temporal cortex of the macaque monkey
    Masaharu Yasuda
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myodaiji, Okazaki 444 8585, Japan
    Cereb Cortex 20:1630-46. 2010
  6. doi request reprint Relationship between neural responses and visual grouping in the monkey parietal cortex
    Isao Yokoi
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Okazaki, Aichi, Japan
    J Neurosci 29:13210-21. 2009
  7. ncbi request reprint Neuronal dynamics of bottom-up and top-down processes in area V4 of macaque monkeys performing a visual search
    Tadashi Ogawa
    National Institute for Physiological Sciences, Okazaki, 444 8585, Aichi, Japan
    Exp Brain Res 173:1-13. 2006
  8. ncbi request reprint Neural responses in the macaque v1 to bar stimuli with various lengths presented on the blind spot
    Masayuki Matsumoto
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myodaiji, Okazaki, Aichi 444 8585, Japan
    J Neurophysiol 93:2374-87. 2005
  9. doi request reprint Reciprocal connectivity of identified color-processing modules in the monkey inferior temporal cortex
    Taku Banno
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myodaiji, Okazaki, Japan
    Cereb Cortex 21:1295-310. 2011
  10. doi request reprint Distribution of colour-selective activity in the monkey inferior temporal cortex revealed by functional magnetic resonance imaging
    Takuya Harada
    Department of Information Physiology, National Institute for Physiological Sciences, Okazaki, Japan
    Eur J Neurosci 30:1960-70. 2009

Collaborators

Detail Information

Publications27

  1. ncbi request reprint Mechanisms of central color vision
    H Komatsu
    Laboratory of Neural Control, National Institute for Physiological Sciences, Aichi, Japan
    Curr Opin Neurobiol 8:503-8. 1998
    ..Recent studies indicate that the transformation of cone signals occurs early in the pathway to form neurons selective to a narrow range of hues. In addition, it has become apparent that area TE plays a vital role in color discrimination...
  2. ncbi request reprint The neural mechanisms of perceptual filling-in
    Hidehiko Komatsu
    National Institute for Physiological Sciences and Graduate University for Advanced Studies SOKENDAI, Myodaiji, Okazaki, Aichi, Japan
    Nat Rev Neurosci 7:220-31. 2006
    ..The evidence shows that neuronal activities in early visual cortical areas are involved in filling-in, providing new insights into visual cortical functions...
  3. ncbi request reprint Neural responses in the primary visual cortex of the monkey during perceptual filling-in at the blind spot
    Hidehiko Komatsu
    Laboratory of Neural Control, National Institute for Physiological Sciences, Myodaiji, Okazaki shi, Aichi 444 8585, Japan
    Neurosci Res 44:231-6. 2002
    ..We believe that neurons in the V1 region representing the blind spot encode information essential for perceptual filling-in at the blind spot...
  4. ncbi request reprint Neural responses in the retinotopic representation of the blind spot in the macaque V1 to stimuli for perceptual filling-in
    H Komatsu
    Laboratory of Neural Control, National Institute for Physiological Sciences, Myodaiji, Okazaki shi, Aichi, 444 8585 Japan
    J Neurosci 20:9310-9. 2000
    ....
  5. pmc Color selectivity of neurons in the posterior inferior temporal cortex of the macaque monkey
    Masaharu Yasuda
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myodaiji, Okazaki 444 8585, Japan
    Cereb Cortex 20:1630-46. 2010
    ..These findings suggest that PIT is a heterogeneous area and that there is a circumscribed region within it that has crude retinotopic organization and is involved in the processing of color...
  6. doi request reprint Relationship between neural responses and visual grouping in the monkey parietal cortex
    Isao Yokoi
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Okazaki, Aichi, Japan
    J Neurosci 29:13210-21. 2009
    ..These results provide the first physiological evidence that L-IPS neurons make a crucial contribution to visual grouping by combining visual and attentional signals so as to bind discrete visual elements together...
  7. ncbi request reprint Neuronal dynamics of bottom-up and top-down processes in area V4 of macaque monkeys performing a visual search
    Tadashi Ogawa
    National Institute for Physiological Sciences, Okazaki, 444 8585, Aichi, Japan
    Exp Brain Res 173:1-13. 2006
    ....
  8. ncbi request reprint Neural responses in the macaque v1 to bar stimuli with various lengths presented on the blind spot
    Masayuki Matsumoto
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myodaiji, Okazaki, Aichi 444 8585, Japan
    J Neurophysiol 93:2374-87. 2005
    ..We conclude that the completed bar appearing on the part of the receptive field embedded within the blind spot gave rise to the observed increase in neuronal activity...
  9. doi request reprint Reciprocal connectivity of identified color-processing modules in the monkey inferior temporal cortex
    Taku Banno
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myodaiji, Okazaki, Japan
    Cereb Cortex 21:1295-310. 2011
    ..Thus, temporal lobe color-processing modules form a reciprocally interconnected loop within a distributed network...
  10. doi request reprint Distribution of colour-selective activity in the monkey inferior temporal cortex revealed by functional magnetic resonance imaging
    Takuya Harada
    Department of Information Physiology, National Institute for Physiological Sciences, Okazaki, Japan
    Eur J Neurosci 30:1960-70. 2009
    ..These findings suggest that there are multiple subregions with differing stimulus selectivities distributed in the IT cortex, and that colour information is processed in these discrete subregions...
  11. doi request reprint Neural selectivity and representation of gloss in the monkey inferior temporal cortex
    Akiko Nishio
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, The Graduate University for Advanced Studies Sokendai, Okazaki 444 8585, Aichi, Japan
    J Neurosci 32:10780-93. 2012
    ....
  12. ncbi request reprint Representation of angles embedded within contour stimuli in area V2 of macaque monkeys
    Minami Ito
    Division of Sensory and Cognitive Information, Department of Information Physiology, National Institute for Physiological Sciences, Okazaki, Aichi 444 8585, Japan
    J Neurosci 24:3313-24. 2004
    ..We suggest that the extraction of information of angles embedded within contour stimuli may start in area V2...
  13. doi request reprint Condition-dependent and condition-independent target selection in the macaque posterior parietal cortex
    Tadashi Ogawa
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Aichi, Japan
    J Neurophysiol 101:721-36. 2009
    ..The coexistence of these distinctly different types of target-discrimination processes suggests that the PPC may be situated at the level where the transition from nonspatial- to spatial-based target selection takes place...
  14. ncbi request reprint Relationship between color discrimination and neural responses in the inferior temporal cortex of the monkey
    Takehiro Matsumora
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myoudaiji, Okazaki, Japan
    J Neurophysiol 100:3361-74. 2008
    ..This suggests that individual color-selective TE neurons only weakly contribute to color discrimination and that a large population of color-selective TE neurons contribute to the performance of color discrimination...
  15. ncbi request reprint Effects of task demands on the responses of color-selective neurons in the inferior temporal cortex
    Kowa Koida
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myodaiji, Okazaki, Aichi 444 8585, Japan
    Nat Neurosci 10:108-16. 2007
    ....
  16. ncbi request reprint Target selection in area V4 during a multidimensional visual search task
    Tadashi Ogawa
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Okazaki, Aichi 444 8585, Japan
    J Neurosci 24:6371-82. 2004
    ....
  17. doi request reprint Putative pyramidal neurons and interneurons in the monkey parietal cortex make different contributions to the performance of a visual grouping task
    Isao Yokoi
    Div of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myoudaiji, Okazaki, 444 8585 Aichi, Japan
    J Neurophysiol 104:1603-11. 2010
    ..These results suggest that different classes of parietal neurons contribute differently to the grouping of discrete elements...
  18. doi request reprint Cortico-geniculate feedback linking the visual fields surrounding the blind spot in the cat
    Isao Yokoi
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Okazaki, 444 8585, Aichi, Japan
    Exp Brain Res 202:247-51. 2010
    ..Cortico-geniculate feedback projection may integrate visual signals from around BS and contribute to perceptual filling-in at BS...
  19. ncbi request reprint Air-driven eye shutter system for vision experiments using awake behaving animals
    Masayuki Matsumoto
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Myodaiji, Okazaki, Aichi 444 8585, Japan
    J Neurosci Methods 153:130-4. 2006
    ....
  20. ncbi request reprint Functional organization of the cat visual cortex in relation to the representation of a uniform surface
    Toshiki Tani
    Laboratory of Neural Control, National Institute for Physiological Sciences, Okazaki shi, Aichi, 444 8585, 351 0198, Japan
    J Neurophysiol 89:1112-25. 2003
    ..Such neurons also existed outside the surface-responsive regions around the singular points. These results suggest that there exists a functional organization related to the representation of a uniform surface in the early visual cortex...
  21. doi request reprint Color vision test for dichromatic and trichromatic macaque monkeys
    Kowa Koida
    National Institute for Physiological Sciences, Okazaki, Aichi, Japan
    J Vis 13:1. 2013
    ....
  22. doi request reprint Representation of the material properties of objects in the visual cortex of nonhuman primates
    Naokazu Goda
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Okazaki 444 8585, Japan, and Department of Physiological Sciences, The Graduate University for Advanced Studies Sokendai, Okazaki 444 8585, Japan
    J Neurosci 34:2660-73. 2014
    ..We suggest that, in monkeys, V4 and the posterior inferior temporal cortex are important stages for constructing information about the material properties of objects from their low-level image features. ..
  23. doi request reprint Selective responses to specular surfaces in the macaque visual cortex revealed by fMRI
    Gouki Okazawa
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Okazaki 444 8585, Japan
    Neuroimage 63:1321-33. 2012
    ..This is consistent with previous human fMRI experiments that showed surface properties are processed in the ventral visual pathway...
  24. doi request reprint Categorical properties of the color term "GOLD"
    Gouki Okazawa
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Okazaki, Aichi, Japan
    J Vis 11:1-19. 2011
    ..This also indicates that humans do not always discount surface gloss to identify colors but can utilize this information to categorize colors...
  25. ncbi request reprint Response of MSTd neurons to simulated 3D orientation of rotating planes
    Hiroki Sugihara
    Laboratory of Neural Control, National Institute for Physiological Sciences, Aichi 444 8585, Japan
    J Neurophysiol 87:273-85. 2002
    ..These results suggest that MSTd neurons are sensitive to stimulus features specific to the perceived 3D orientation of the rotating plane stimuli and suggest that area MSTd is involved in SFM processing...
  26. doi request reprint Transformation from image-based to perceptual representation of materials along the human ventral visual pathway
    Chihiro Hiramatsu
    Division of Sensory and Cognitive Information, National Institute for Physiological Sciences, Okazaki 444 8585, Japan
    Neuroimage 57:482-94. 2011
    ..We suggest that meaningful information about multimodal aspects of real-world materials reside in the ventral cortex around the fusiform gyrus, where it can be utilized for categorization of materials...
  27. ncbi request reprint Variations in long- and middle-wavelength-sensitive opsin gene loci in crab-eating monkeys
    Akishi Onishi
    Laboratory for Speciation Mechanisms I, National Institute for Basic Biology, 38, Nishigonaka, Myodaijicho, Okazaki 444 8585, Japan
    Vision Res 42:281-92. 2002
    ..The two variants were found only in Java Island, Indonesia, and South Thailand, respectively. The data suggest that the frequency of each genotype is different among Old World primates...