The present study was designed to examine in the 6 male students whether or not ventilatory responses to hypercapnia and hypoxia at sea level increase after intermittent hypoxic exposure once a day (about 1 hour) for 6 days by means of decompression chamber (simulated altitude 4,500 m). It was found in this study that at sea level ventilatory responses to hypercapnia at rest and to hypoxia during submaximal exercise did not alter by intermittent hypoxic exposure as applied here.
Miyamura et al. (Sat,) studied this question.