Journal of International Society of Life Information Science
Online ISSN : 2424-0761
Print ISSN : 1341-9226
ISSN-L : 1341-9226
Volume 27, Issue 1
Displaying 1-50 of 67 articles from this issue
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The 27th Symposium on Life Information Science
  • Article type: Article
    2009Volume 27Issue 1 Pages 16-17
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
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  • Article type: Article
    2009Volume 27Issue 1 Pages 18-21
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
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  • Article type: Article
    2009Volume 27Issue 1 Pages 22-31
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
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  • Article type: Article
    2009Volume 27Issue 1 Pages 32-35
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
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  • Article type: Article
    2009Volume 27Issue 1 Pages 36-45
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
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  • (Lecture of the organizer,The 27th Symposium on Life Information Science)
    Kiminori Itoh
    Article type: Article
    2009Volume 27Issue 1 Pages 46-47
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
    Sciences and pseudoscience are characterized by two functions: self-expression and indicative expression, in a manner similar to languages (as expressed by Taka'aki Yoshimoto, a Japanese leading poet and philosopher). Also, from the viewpoints of scientific methodologies and examples from the global warming issue, it has been discussed how pseudosciences can be avoided.
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  • (The 27th Symposium on Life Information Science)
    Takashi AOKI, Yoshinori ADACHI, Shoji SUZUKI
    Article type: Article
    2009Volume 27Issue 1 Pages 48-54
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
    The influence of music stimulation on heartbeat fluctuation was determined. Subjects were 10 healthy males aged from 22 to 23. The music used was a Japanese pop song entitled "Kujira-12" sung by the group Judy and Mary. The heartbeat was measured for 5min without any stimulation, then for 5min while being stimulated by hearing the song, and finally, for 5min with no simulation. The heart rate was unchanged, but LF/HF decreased significantly during stimulation (LF and HF denote the low frequency component and the high frequency component of the power spectra of heartbeat fluctuations, respectively). This suggested that the stimulation suppressed the activity of the sympathetic nervous system during stimulation. LF was increased significantly after stimulation. This suggested that the mental stress decreased after stimulation. The stimulation by the music used in the experiment seemed to be helpful for music therapy.
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  • (The 27th Symposium on Life Information Science)
    Yoshinori ADACHI, Takashi AOKI, Shoji SUZUKI
    Article type: Article
    2009Volume 27Issue 1 Pages 55-61
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
    The human body shows peculiar reactions corresponding to external stimuli for body maintenance. As one of the reactions, a change appears as a pulse wave produced autonomically. In this research, the reactions to stimuli received through the senses of sight, hearing, and smell were examined. A sound stimulus (music), a light stimulus (periodic blinking light), and a smell stimulus (perfume) were given, and the pulse waves were measured with an acceleration pulse wave measuring instrument. The changes of periodicity and the pulse wave fractal were obtained before, during, and after stimulation. Because there are many differences between individuals, the same value was not obtained for each subject. However, it was confirmed that peculiar changes appeared and an examination was added to pay attention to the change under stimulation.
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  • (The 27th Symposium on Life Information Science)
    Shoji SUZUKI, Yoshinori ADACHI, Takashi AOKI
    Article type: Article
    2009Volume 27Issue 1 Pages 62-68
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
    In this paper, the authors propose a new modeling method of an equivalent circuit of an acupuncture point with a negative impedance converter (NIC). This method has the advantage that one place can be measured in a few minutes. The value of C is measured from the resonance frequency by canceling the internal resistance of an acupuncture point using the NIC, and making the equivalent circuit equal to only the C circuit. Moreover, R can be known from the value of the load resistance of the NIC. In this method, the frequency response and the phase characteristic do not need to be measured.
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  • (The 27th Symposium on Life Information Science)
    Kimiko KAWANO, Keiichiro KITA, Yasuharu NAKAMURA
    Article type: Article
    2009Volume 27Issue 1 Pages 69-
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
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  • (The 27th Symposium on Life Information Science)
    Keiichiro KITA, Kimiko KAWANO, Yasuharu NAKAMURA
    Article type: Article
    2009Volume 27Issue 1 Pages 70-71
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
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  • (The 27th Symposium on Life Information Science)
    Manami OZAKI
    Article type: Article
    2009Volume 27Issue 1 Pages 72-
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
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  • (The 27th Symposium on Life Information Science)
    Shuichi HASHIZUME, Akihiko KAMADA, Kimiko KAWANO, Hideyuki KOKUBO, Mik ...
    Article type: Article
    2009Volume 27Issue 1 Pages 73-77
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
    Chromogranin A (CgA) levels and pupil stress values (obtained by measuring eye pupil reactions to a flash of light) were employed as psychosomatic stress indices to determine stress reduction resulting from an activity, in this case stamping on even or uneven floor mats. Changes in salivary CgA concentrations and pupil stress values in volunteers when exposed to psychosomatic stress, when stamping on the mats, and when resting, were monitored. Increased CgA levels and pupil stress values were observed during solving of the Uchida-Kraepelin Performance Test. Subsequently, both stress indices were lowered during stamping. Finally, both indices decreased further during resting for 30min after stamping on the uneven mat, but no further decrease was detected after stamping on the even mat. The CgA level had a significant difference (P<0.05) 30min after stamping on the uneven mat compared to stamping on the even one. Good associations were evident between CgA levels and both pupil stress values and the subjects' assessments of stress sensation scores.
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  • (The 27th Symposium on Life Information Science)
    Hideyuki KOKUBO, Mikio YAMAMOTO
    Article type: Article
    2009Volume 27Issue 1 Pages 78-89
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
    When pieces of cucumber (Cucumis sativus "Shiroibo kyuuri") are exposed to the air, the intensity of photon emission from cucumber reaches the maximum about 5h later and then decreases gradually. The authors measured the time transition of intensity using 2 cameras; an image intensifier (I.I.) camera Model C2400-47, wave length 280-650nm and a CCD camera ImagEM C9100-13, wave length 400-1000nm. Samples of cucumber were treated for 30min by 70GHz millimeter wave (Extremely High Frequency: EHF) or non-contact healing. In the range from red to infrared rays, the intensity of photon emission was very large and there was a difference in intensities between directions of growth of samples. No effects of the millimeter wave were observed by either the I.I. or the CCD cameras; however effects of non-contact healing were detected by the I.I. camera. It was considered that red to infrared rays should be eliminated to detect effects of non-contact healing.
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  • (The 27th Symposium on Life Information Science)
    Hideyuki KOKUBO, Mikio YAMAMOTO
    Article type: Article
    2009Volume 27Issue 1 Pages 90-105
    Published: March 01, 2009
    Released on J-STAGE: December 18, 2018
    JOURNAL FREE ACCESS
    After 30-min treatment by non-contact healing on experimental sample pieces of cucumber (cucumis sativus "Shiro-ibo kyuuri"), the intensities of biophotons from experimental and control samples were measured for 18h. In Cucumber series No.7 from June to December 2008, 24 volunteer healers (10 beginners and 14 veterans) were tested twice. As a result, the average of J values,an index of controlled healing power, was 0.084 (95% confidential interval was 0.026, n=24). There was no significant difference between beginner (J=0.081) and veteran healers (J=0.086). Only their ages showed a negative correlation with J values (r=-0.487, p=0.016, two tails). Analyses on the details showed a weak positive correlation between the bright factor of character traits and the difference of J values of 2 trials (r=0.466, p=0.022, two tails). It was considered that bright healers could adjust their healing ways to experiments. And there was a weak positive correlation between difference of the degree of the healing way "Loving intention (including prayer to gods, Buddha and spirits)" and the difference of J values of 2 trials (r=0.417, p=0.043, two tails). The correlation was obvious in veterans and it meant that they were more familiar with the ways of healing.
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