Simulation of the geomagnetic field experienced by the International Space Station in its revolution around the Earth: effects on psychophysiological responses to affective picture viewing

Neuroscience Letters
C Del SeppiaS Ghione

Abstract

There is evidence suggesting that exposure to an abnormal magnetic environment may produce psychophysiological effects related to abnormalities in responses to stress. This may be of relevance for space medicine where astronauts are exposed to a magnetic field different from that exerted by the Earth. Aim of this study was to assess how the exposure of the head to a magnetic field simulating the one encountered by the International Space Station (ISS) during a single orbit (90 min) around the Earth affects the cardiovascular and psychophysiological parameters. Twenty-four human volunteers were studied double blindly in random order under sham and magnetic exposure. During exposure, the persons were shown a set of pictures of different emotional content while subjective self-rating, skin conductance (SC), blood pressure (BP), and heart rate (HR) were measured. In addition, BP, HR, and tooth pain threshold were assessed before and after exposure. While subjects were under magnetic exposure, skin conductance was strongly differentiated (F(2,36)=22.927; p=0.0001), being high during emotionally involving (positive and negative) pictures and low during neutral pictures. Conversely, when subjects were under sham exposure, no significa...Continue Reading

References

Sep 1, 1987·Naunyn-Schmiedeberg's Archives of Pharmacology·M Kavaliers, K P Ossenkopp
Dec 16, 1998·Bioelectromagnetics·Z J SienkiewiczR D Saunders
Jan 19, 2002·Proceedings. Biological Sciences·E CholerisF S Prato
Aug 30, 2003·Behavioural Brain Research·Cristina Del SeppiaSergio Ghione
Mar 26, 2004·Bioelectromagnetics·Charles M CookFrank S Prato
Jan 27, 2005·Bioelectromagnetics·Frank S PratoAlex W Thomas
Sep 24, 2005·Psychophysiology·Thomas RitzBernhard Dahme

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