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Home / Issues / № 2, 2015

Medical sciences

BIBLIOMETRICAL ANALYSIS OF NEUROPHYSIOLOGICAL INVESTIGATIONS OF ACTION OF NON-IONIZED RADIATION OF DIFFERENT KINDS IN THE SECOND HALF OF THE XX CENTURY
R.A. Chizhenkova

Biological phenomena of non-ionizing radiation (NIR) interested humanity for many centuries. The nervous system is of great significance in reactions of organism to NIR. Our pioneering investigations revealed predominant role of direct action of NIR of different kinds on brain structures [1, 2, 5, 6].

Bibliometrical analysis of published works on biological action of NIR was not carried out before our investigations. The present work is devoted bibliometrical aspects of neurophysiological study of effects of NIR. Some data on this trend were presented in our another works  [3, 4, 7]. 

 MATERIALS AND METHODS

  Information accumulated in world on electromagnetic biology during 35-year period in the later half of the XX century (1966-2000) was considered. The state of investigations of biological effects of electromagnetic (EMF), magnetic (MF), and electrical (EF) fields was carried out by means of the database "Medline". Moreover especially biological effects of microwaves (MW) were selected because this factor was in the center of attention of researchers in the middle of the XX-th century. Quantitative characteristics of publications on the present problem were obtained for every observed year according to key words.

 RESULTS AND DISCURSION

 During 35-year period the general numbers of neurophysiological published works reaches great value - 1401300. The general numbers of published works on biological effects of NIR was 21606. The general numbers of neurophysiological published works on biological effects 5935, what came to 0.42% from the general numbers of neurophysiological published works and 27.47% from the general numbers of published works on biological effects of NIR.

Among the general numbers of neurophysiological published works on biological effects of NIR 2152 works carried out with application of EMF, 1435 - with MW, 1649 - with MF and 699 - with EF, that corresponded to 36.25%, 24.18%, 27.78% and 11.78% from their sum. Hence, predominance of published works on influence of EMF took place. Average positions were at MW and. MF. The least number was observed at papers whit EF. Distinctions of these values were statistically reliable (U=4.47-32.19; p<0.01).

The considerable increase of the numbers of neurophysiological published works on action NIR of considered kinds took place during 35-year time interval.

Sampling fractions of neurophysiological published works, carried out with application EMF, MW, MF and EF from the total number works on them biological effects had increase in 1.14: 2.48: 1.99 and 2.15 times correspondingly.

Sampling fractions of neurophysiological published works, carried out with application EMF, MW, MF and EF from the total number of neurophysiological works on them biological effects had increase in 12.10; 4.26; 17.33 and 12.29 times correspondingly.     

 CONCLUSION

  Results of bibliometrical investigations of neurophysiological published works of action of NIR are presented. The special features of quantitative characteristics of publications on EMF, MW, MF, and EF are described. Unfortunately research of neurophysiological effects of these penetrating factors will have further development in XXI century [4].     

 



References:
1. Chizhenkova R.A., Slow potentials and spike unit activity of the cerebral cortex of rabbits exposed to microwaves // Bioelectromagnetics. -1988.- V. 9.-. No. 4.- P. 337-345.

2. Chizhenkova R.A., Pulse activity of populations of cortical neurons under microwave exposures of different intensity // Bioelectrochemistry. - 2004.- V. 63.- No. 1/2. - P.343-346.

3. Chizhenkova R.A. Bibliometrical review of neurophysioligical investigation of action of non-ionized radiation in second half of the XXth century // Biophysics. - 2005. - V. 50. - Supplement. - No. 1. - P. 163-172.

4. Chizhenkova R.A. Dynamics of neurophysiological investigations of action of non-ionized radiation in second half of the XXth century. M.: Publ. House of Acad. of Natural Sciences, 2012. - 88 p. (in Russian).



Bibliographic reference

R.A. Chizhenkova BIBLIOMETRICAL ANALYSIS OF NEUROPHYSIOLOGICAL INVESTIGATIONS OF ACTION OF NON-IONIZED RADIATION OF DIFFERENT KINDS IN THE SECOND HALF OF THE XX CENTURY . International Journal Of Applied And Fundamental Research. – 2015. – № 2 –
URL: www.science-sd.com/461-24811 (29.03.2024).