Yoshimichi Ejima - Publications

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68 high-probability publications. We are testing a new system for linking publications to authors. You can help! If you notice any inaccuracies, please sign in and mark papers as correct or incorrect matches. If you identify any major omissions or other inaccuracies in the publication list, please let us know.

Year Citation  Score
2017 Wu Q, Wu J, Takahashi S, Huang Q, Sun H, Guo Q, Ohtani Y, Ejima Y, Zhang X, Li C, Yan T. Modes of Effective Connectivity within Cortical Pathways Are Distinguished for Different Categories of Visual Context: An fMRI Study. Frontiers in Behavioral Neuroscience. 11: 64. PMID 28588458 DOI: 10.3389/fnbeh.2017.00064  0.56
2013 Ban H, Yamamoto H, Hanakawa T, Urayama S, Aso T, Fukuyama H, Ejima Y. Topographic representation of an occluded object and the effects of spatiotemporal context in human early visual areas. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 33: 16992-7007. PMID 24155304 DOI: 10.1523/JNEUROSCI.1455-12.2013  1
2013 Takahashi S, Ejima Y. Contextual information processing of brain in art appreciation. The Behavioral and Brain Sciences. 36: 158-9. PMID 23507114 DOI: 10.1017/S0140525X12001793  1
2012 Yamamoto H, Fukunaga M, Takahashi S, Mano H, Tanaka C, Umeda M, Ejima Y. Inconsistency and uncertainty of the human visual area loci following surface-based registration: Probability and Entropy Maps. Human Brain Mapping. 33: 121-9. PMID 21438077 DOI: 10.1002/hbm.21200  1
2010 Maeda K, Yamamoto H, Fukunaga M, Umeda M, Tanaka C, Ejima Y. Neural correlates of color-selective metacontrast in human early retinotopic areas. Journal of Neurophysiology. 104: 2291-301. PMID 20660418 DOI: 10.1152/jn.00923.2009  1
2008 Yamamoto T, Takahashi S, Hanakawa T, Urayama S, Aso T, Fukuyama H, Ejima Y. Neural correlates of the stereokinetic effect revealed by functional magnetic resonance imaging. Journal of Vision. 8: 14.1-17. PMID 19146356 DOI: 10.1167/8.10.14  1
2007 Ejima Y, Takahashi S, Yamamoto H, Goda N. Visual perception of contextual effect and its neural correlates Representation and Brain. 3-20. DOI: 10.1007/978-4-431-73021-7_1  1
2006 Ban H, Yamamoto H, Fukunaga M, Nakagoshi A, Umeda M, Tanaka C, Ejima Y. Toward a common circle: interhemispheric contextual modulation in human early visual areas. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 26: 8804-9. PMID 16928869 DOI: 10.1523/JNEUROSCI.1765-06.2006  1
2006 Amano K, Goda N, Nishida S, Ejima Y, Takeda T, Ohtani Y. Estimation of the timing of human visual perception from magnetoencephalography. The Journal of Neuroscience : the Official Journal of the Society For Neuroscience. 26: 3981-91. PMID 16611814 DOI: 10.1523/JNEUROSCI.4343-05.2006  1
2005 Ejima Y, Takahashi S. Positioning of retinotopic areas and patterning of cerebral cortex layout. Neuroreport. 16: 9-12. PMID 15618880 DOI: 10.1097/00001756-200501190-00003  1
2004 Kajihara S, Ohtani Y, Goda N, Tanigawa M, Ejima Y, Toyama K. Wiener filter-magnetoencephalography of visual cortical activity. Brain Topography. 17: 13-25. PMID 15669752 DOI: 10.1023/B:BRAT.0000047333.10619.eb  1
2003 van Tonder GJ, Ejima Y. Flexible computation of shape symmetries within the maximal disk paradigm. Ieee Transactions On Systems, Man, and Cybernetics. Part B, Cybernetics : a Publication of the Ieee Systems, Man, and Cybernetics Society. 33: 535-40. PMID 18238202 DOI: 10.1109/TSMCB.2003.810952  1
2003 Ejima Y, Takahashi S, Yamamoto H, Fukunaga M, Tanaka C, Ebisu T, Umeda M. Interindividual and interspecies variations of the extrastriate visual cortex. Neuroreport. 14: 1579-83. PMID 14502080 DOI: 10.1097/01.wnr.0000086098.47480.44  1
2002 Van Tonder GJ, Lyons MJ, Ejima Y. Visual structure of a Japanese Zen garden. Nature. 419: 359-60. PMID 12353024 DOI: 10.1038/419359a  1
2002 Ohtani Y, Okamura S, Ejima Y. Temporal summation of magnetic response to chromatic stimulus in the human visual cortex. Neuroreport. 13: 1641-4. PMID 12352618  1
2002 Ohtani Y, Okamura S, Yoshida Y, Toyama K, Ejima Y. Surround suppression in the human visual cortex: an analysis using magnetoencephalography. Vision Research. 42: 1825-35. PMID 12128013 DOI: 10.1016/S0042-6989(02)00103-7  1
2002 Ohtani Y, Okamura S, Shibasaki T, Arakawa A, Yoshida Y, Toyama K, Ejima Y. Magnetic responses of human visual cortex to illusory contours. Neuroscience Letters. 321: 173-6. PMID 11880200 DOI: 10.1016/S0304-3940(02)00062-9  1
2001 Oka S, van Tonder G, Ejima Y. A VEP study on visual processing of figural geometry. Vision Research. 41: 3791-803. PMID 11738447 DOI: 10.1016/S0042-6989(01)00239-5  1
2001 Ejima Y. The contrast phenomenon and side restraint mechanism of color Journal of the Japan Research Association For Textile End-Uses. 42: 16-20.  1
2000 van Tonder GJ, Ejima Y. From image segmentation to anti-textons. Perception. 29: 1231-47. PMID 11220214  1
2000 Hanada M, Ejima Y. Heading judgement from second-order motion. Vision Research. 40: 3319-31. PMID 11058731  1
2000 van Tonder GJ, Ejima Y. The patchwork engine: image segmentation from shape symmetries. Neural Networks : the Official Journal of the International Neural Network Society. 13: 291-303. PMID 10937963 DOI: 10.1016/S0893-6080(99)00105-7  1
2000 Hanada M, Ejima Y. Method for recovery of heading from motion. Journal of the Optical Society of America. a, Optics, Image Science, and Vision. 17: 966-73. PMID 10850466  1
2000 Hanada M, Ejima Y. Effects of roll and pitch components in retinal flow on heading judgement. Vision Research. 40: 1827-38. PMID 10837829 DOI: 10.1016/S0042-6989(00)00037-7  1
2000 Ido K, Ohtani Y, Ejima Y. Summation between nearby motion signals and facilitative/inhibitory interactions between distant motion signals. Vision Research. 40: 503-16. PMID 10820609 DOI: 10.1016/S0042-6989(99)00199-6  1
2000 van Tonder GJ, Ejima Y. Bottom-up clues in target finding: why a Dalmatian may be mistaken for an elephant. Perception. 29: 149-57. PMID 10820598  1
2000 Hanada M, Ejima Y. A model of human heading judgement in forward motion. Vision Research. 40: 243-63. PMID 10793899 DOI: 10.1016/S0042-6989(99)00161-3  1
1999 Toyama K, Yoshikawa K, Yoshida Y, Kondo Y, Tomita S, Takanashi Y, Ejima Y, Yoshizawa S. A new method for magnetoencephalography: a three-dimensional magnetometer-spatial filter system. Neuroscience. 91: 405-15. PMID 10365998 DOI: 10.1016/S0306-4522(98)00629-0  1
1999 van Tonder GJ, Ejima Y. Learning from nature: image segmentation based on local symmetry detection Proceedings of the Ieee International Conference On Systems, Man and Cybernetics. 6: VI-804 - VI-809.  1
1998 Ohtani Y, Tanigawa M, Ejima Y. Motion assimilation for expansion/contraction and rotation and its spatial properties. Vision Research. 38: 429-38. PMID 9536366 DOI: 10.1016/S0042-6989(97)00135-1  1
1997 Goda N, Ejima Y. Moving stimuli define the shape of stationary chromatic patterns. Perception. 26: 1413-22. PMID 9616470  1
1997 Ido K, Ohtani Y, Ejima Y. Dependencies of motion assimilation and motion contrast on spatial properties of stimuli: spatial-frequency nonselective and selective interactions between local motion detectors. Vision Research. 37: 1565-74. PMID 9231223 DOI: 10.1016/S0042-6989(96)00307-0  1
1997 Takemoto A, Ejima Y. Retention of local information in generation of subjective contours. Vision Research. 37: 1429-39. PMID 9205706 DOI: 10.1016/S0042-6989(96)00278-7  1
1997 Ohtani Y, Ejima Y. Anisotropy for direction discrimination in a two-frame apparent motion display. Vision Research. 37: 765-7. PMID 9156221 DOI: 10.1016/S0042-6989(96)00242-8  1
1997 Goda N, Ejima Y. Additive effect of luminance and color cues in generation of neon color spreading. Vision Research. 37: 291-305. PMID 9135863 DOI: 10.1016/S0042-6989(96)00124-1  1
1997 Kanada M, Ejima Y. Spatial frequency and orientation selectivity of looming detectors sensitive to temporal change in spatialfrequency Investigative Ophthalmology and Visual Science. 38: S78.  1
1995 Ohtani Y, Ido K, Ejima Y. Effects of luminance contrast and phase difference on motion assimilation for sinusoidal gratings. Vision Research. 35: 2277-86. PMID 7571464 DOI: 10.1016/0042-6989(94)00315-D  1
1993 Ohtani Y, Takemoto A, Kaihara T, Ejima Y. On the loss of apparent motion between isolated chromatic stimuli near isoluminance. Vision Research. 33: 935-8. PMID 8506636 DOI: 10.1016/0042-6989(93)90076-9  1
1992 Takahashi S, Kaihara T, Takemoto A, Ido K, Ejima Y. Spectral sensitivities for illusory contour perception: a manifold linkage of chromatic and achromatic cues with the generation of contours. Vision Research. 32: 1709-18. PMID 1455742 DOI: 10.1016/0042-6989(92)90163-D  1
1992 Nishida S, Ohtani Y, Ejima Y. Inhibitory interaction in a split/fusion apparent motion: lack of spatial-frequency selectivity. Vision Research. 32: 1523-34. PMID 1455725 DOI: 10.1016/0042-6989(92)90208-Z  1
1991 Ohtani Y, Ejima Y, Nishida S. Contribution of transient and sustained responses to the perception of apparent motion. Vision Research. 31: 999-1012. PMID 1858329 DOI: 10.1016/0042-6989(91)90205-J  1
1989 Ejima Y, Ohtani Y. Analysis of simple reaction time to a sinusoidal grating by means of a linear filter model of the detection process. Perception & Psychophysics. 46: 119-26. PMID 2762099 DOI: 10.3758/BF03204971  1
1988 Ejima Y, Takahashi S. Temporal integration of stimulus increments under chromatic adaptation: effects of adaptation level, wavelength, and target size. Vision Research. 28: 157-70. PMID 3413992  1
1988 Ohtani Y, Ejima Y. Relation between flicker and two-pulse sensitivities for sinusoidal gratings. Vision Research. 28: 145-56. PMID 3413991  1
1988 Ejima Y, Takahashi S. Illusory contours induced by isoluminant chromatic patterns. Vision Research. 28: 1367-77. PMID 3256154 DOI: 10.1016/0042-6989(88)90068-5  1
1988 Takahashi S, Ejima Y, Akita M. Positive colored afterimages from the figure-ground configurations of colored lights: effects of chromaticity, luminance and a spatial parameter of the adapting stimuli. Vision Research. 28: 521-33. PMID 3195060 DOI: 10.1016/0042-6989(88)90174-5  1
1987 Takahashi S, Ejima Y. Effect of surround configuration on increment thresholds of a tiny violet flash. Vision Research. 27: 537-46. PMID 3660616 DOI: 10.1016/0042-6989(87)90040-X  1
1987 Ejima Y, Ohtani Y. Simple reaction time to sinusoidal grating and perceptual integration time: contributions of perceptual and response processes. Vision Research. 27: 269-76. PMID 3576986 DOI: 10.1016/0042-6989(87)90189-1  1
1986 Ejima Y, Takahashi S. Spatial and chromatic antagonism between the long- and middle-wavelength cones in the detection of long-wavelength flashes. Vision Research. 26: 1995-2000. PMID 3617539 DOI: 10.1016/0042-6989(86)90124-0  1
1986 Takahashi S, Ejima Y. Increment spectral sensitivities for spatial periodic grating patterns: evidence for variable tuning of the chromatic system. Vision Research. 26: 1851-64. PMID 3617528 DOI: 10.1016/0042-6989(86)90137-9  1
1986 Ejima Y, Takahashi S, Akita M. Achromatic sensation for trichromatic mixture as a function of stimulus intensity Vision Research. 26: 1065-1071. DOI: 10.1016/0042-6989(86)90041-6  1
1985 Ejima Y, Takahashi S. Apparent contrast of a sinusoidal grating in the simultaneous presence of peripheral gratings. Vision Research. 25: 1223-32. PMID 4072001 DOI: 10.1016/0042-6989(85)90036-7  1
1985 Akita M, Takahashi S, Ejima Y. Red-green opponency in the detection and the perceptual hue cancellation. Vision Research. 25: 1129-35. PMID 4071992 DOI: 10.1016/0042-6989(85)90102-6  1
1985 Takahashi S, Ejima Y, Akita M. Effect of light adaptation on the perceptual red-green and yellow-blue opponent-color responses. Journal of the Optical Society of America. a, Optics and Image Science. 2: 705-12. PMID 3998885 DOI: 10.1364/JOSAA.2.000705  1
1985 Takahashi S, Ejima Y. Effects on grating detection of vertically displaced peripheral gratings. Vision Research. 25: 129-36. PMID 3984210 DOI: 10.1016/0042-6989(85)90086-0  1
1985 Ejima Y, Takahashi S. Interaction between short- and longer-wavelength cones in hue cancellation codes: nonlinearities of hue cancellation as a function of stimulus intensity. Vision Research. 25: 1911-22. PMID 3832617 DOI: 10.1016/0042-6989(85)90016-1  1
1985 Ejima Y, Takahashi S. Effect of localized grating adaptation as a function of separation along the length axis between test and adaptation areas. Vision Research. 25: 1701-7. PMID 3832594 DOI: 10.1016/0042-6989(85)90142-7  1
1984 Ejima Y, Miura KY. Change in detection threshold caused by peripheral gratings: dependence on contrast and separation. Vision Research. 24: 367-72. PMID 6740957 DOI: 10.1016/0042-6989(84)90062-2  1
1984 Ejima Y, Takahashi S. Bezold-Brücke hue shift and nonlinearity in opponent-color process. Vision Research. 24: 1897-904. PMID 6534013 DOI: 10.1016/0042-6989(84)90023-3  1
1984 Ejima Y, Redies C, Takahashi S, Akita M. The neon color effect in the Ehrenstein pattern. Dependence on wavelength and illuminance. Vision Research. 24: 1719-26. PMID 6533995 DOI: 10.1016/0042-6989(84)90002-6  1
1984 Takahashi S, Ejima Y. Spatial properties of red-green and yellow-blue perceptual opponent-color response. Vision Research. 24: 987-94. PMID 6506487 DOI: 10.1016/0042-6989(84)90075-0  1
1984 Ejima Y, Takahashi S. Facilitatory and inhibitory after-effect of spatially localized grating adaptation. Vision Research. 24: 979-85. PMID 6506486 DOI: 10.1016/0042-6989(84)90074-9  1
1984 Takahashi S, Ejima Y. DEPENDENCE OF APPARENT CONTRAST FOR A SINUSOIDAL GRATING ON STIMULUS SIZE Journal of the Optical Society of America a: Optics and Image Science, and Vision. 1: 1197-1201. DOI: 10.1364/JOSAA.1.001197  1
1983 Ejima Y, Takahashi S. Relationship between chromatic induction and spatial variables: an integrated explanation in terms of element-contribution function. Journal of the Optical Society of America. 73: 203-7. PMID 6834168  1
1983 Takahashi S, Ejima Y. Functional relationship between chromatic induction and luminance of the inducing stimulus. Journal of the Optical Society of America. 73: 198-202. PMID 6834167  1
1983 Takahashi S, Ejima Y. Chromatic induction as a function of wavelength of inducing stimulus. Journal of the Optical Society of America. 73: 190-7. PMID 6834166  1
1983 Ejima Y, Takahashi S. Effects of high-contrast peripheral patterns on the detection threshold of sinusoidal targets. Journal of the Optical Society of America. 73: 1695-700. PMID 6663373  1
1982 Akita M, Ejima Y, Takahashi S. DIFFERENCES OF UNIQUE-YELLOW LOCI BETWEEN INDIVIDUALS Color Research and Application. 7: 168-172.  1
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