Old rats (20 months) were given a choice between a chamber containing negative ions and a neutral chamber. Significantly more rats indicated a preference for the ionized chamber than controls. It was concluded that old rats are able in some way to perceive the presence of negative ions.
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References
1.
BisaK.Die Reagibilitat des menschlichen Organismus aus unipolar aufgeladene Aerosole, dargestellt am Verhalten der Flimmet-Verschmelzungs-Frequenz. Z. Aerosol-Forsch., 1954, 3, 39–51.
HerringtonL., & SmithK.The effect of high concentrations of light negative atmospheric ions on the growth and activity of the albino rat. J. industr. Hyg., 1935, 17, 283–288.
4.
JordanJ., & SokoloffB.Air ionization, age, and maze learning of rats. J. Geront., 1959, 17, 344–348.
5.
SilvermanD., & KornbluehI.Effect of artificial ionization of the air on electroencephalogram. Amer. J. phys. Med., 1957, 36, 352–358.
