Abstract
The assertion that social upheaval tends to coincide with peaks of solar activity is the main result of A.L. Chizhevskii’s first famous work, published in 1924. The connection between solar activity and averaged indicators of the collective human mental state has since then been repeatedly verified by independent authors on various datasets and confirmed with certainty. However, all patterns revealed to date concern small spatial (about the size of a city) and huge time (about 10 years) scales of this correlation between solar activity and indicators of human mental states. In our research we attempt to extend proof of this correlation to a much smaller time scale and a much larger spatial scale. The effect of geomagnetic activity on the human nervous system is studied through investigating its correlation with frequencies of emotion-laden words in a database of posts from the scientific forum dxdy.ru in the years 2006–2016. A subset of emotion-laden words whose relative frequency correlates with the Kр-index at a level r = 0.4–0.6 with p < 0.0001 (p being the probability of obtaining a sample correlation coefficient of 0.4–0.6 if the true correlation between the series is zero) is identified.
Published Version
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