Sensory conflict theory and space sickness: our changing perspective

摘要: Motion sickness is a well-known nausea and vomiting syndrome whose physical signs include retching, pallor, cold sweating, yawning, belching, flatulence, decreased gastric tonus. Subjective symptoms stomach discomfort, nausea, headache, feeling of warmth, drowsiness. The research literature has been well reviewed (1-7). Over the past hundred years, our perspective on kinds sensory stimulation that can cause motion broadened considerably. Originally it was assumed only be caused by due to mechanical visceral afferents or changes in cerebral blood flow body motion. It eventually recognized people who have no inner ear balance organ function are totally immune, indicating malady results specifically from vestibular over-stimulation. However, 1970 became apparent more comprehensive etiologic framework needed: some forms were which head normal (that is, spectacle sickness, space sickness) even absent (flight simulator Cinerama sickness). We experience vigorous when we run, jump, dance, but these activities almost never make us sick. Claremont (8) had originally suggested mo-