Statistical and Frequency-Amplitude Characteristics of Ultraweak Emissions of the Loach Eggs and Embryos under the Normal Conditions and upon Their Optic Interactions. 2. Changes in Characteristics of Ultraweak Emissions upon Optic Interaction of Groups of Embryos of Different Ages

Statistical and Frequency-Amplitude Characteristics of Ultraweak Emissions of the Loach Eggs and... We compared the characteristics of ultraweak emissions from groups of loach embryos of different ages in the presence or absence of optic interaction. The percentage of zero values of emission gradually increased during the first hour of optic interaction. The number and height of rare big pulses estimated by the value of kurtosis increased in parallel. In addition, the correlation between the Fourier spectra of optically interacting samples decreased at a higher rate than in the absence of optical contact. Just after the 1-hour optic interaction was terminated, the number of high pulses decreased in a younger interacting group and increased in the older one and the farther away the partner groups were in developmental stages, the more pronounced these differences were. Measurements of the Fourier spectra after long-term (12–22-hour) optic interactions have shown that an “exchange” of autocorrelation characteristics of the spectra took place among the samples: the sums of autocorrelation coefficients were inverted in the vast majority of cases, often with an “overshoot” or, at least, were smoothed over with reference to the control samples. We conclude that the previously described effects of optic interactions between groups of loach embryos of different ages could be due to changes in the frequency spectra of their ultraweak emissions. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Russian Journal of Developmental Biology Springer Journals

Statistical and Frequency-Amplitude Characteristics of Ultraweak Emissions of the Loach Eggs and Embryos under the Normal Conditions and upon Their Optic Interactions. 2. Changes in Characteristics of Ultraweak Emissions upon Optic Interaction of Groups of Embryos of Different Ages

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Publisher
Kluwer Academic Publishers-Plenum Publishers
Copyright
Copyright © 2003 by MAIK “Nauka/Interperiodica”
Subject
Life Sciences; Animal Anatomy / Morphology / Histology
ISSN
1062-3604
eISSN
1608-3326
D.O.I.
10.1023/B:RUDO.0000007892.75965.dd
Publisher site
See Article on Publisher Site

Abstract

We compared the characteristics of ultraweak emissions from groups of loach embryos of different ages in the presence or absence of optic interaction. The percentage of zero values of emission gradually increased during the first hour of optic interaction. The number and height of rare big pulses estimated by the value of kurtosis increased in parallel. In addition, the correlation between the Fourier spectra of optically interacting samples decreased at a higher rate than in the absence of optical contact. Just after the 1-hour optic interaction was terminated, the number of high pulses decreased in a younger interacting group and increased in the older one and the farther away the partner groups were in developmental stages, the more pronounced these differences were. Measurements of the Fourier spectra after long-term (12–22-hour) optic interactions have shown that an “exchange” of autocorrelation characteristics of the spectra took place among the samples: the sums of autocorrelation coefficients were inverted in the vast majority of cases, often with an “overshoot” or, at least, were smoothed over with reference to the control samples. We conclude that the previously described effects of optic interactions between groups of loach embryos of different ages could be due to changes in the frequency spectra of their ultraweak emissions.

Journal

Russian Journal of Developmental BiologySpringer Journals

Published: Oct 7, 2004

References

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