Suppression of cognitive function in hyperthermia; From the viewpoint of executive and inhibitive cognitive processing

Scientific Reports
Manabu ShibasakiHiroki Nakata

Abstract

Climate change has had a widespread impact on humans and natural systems. Heat stroke is a life-threatening condition in severe environments. The execution or inhibition of decision making is critical for survival in a hot environment. We hypothesized that, even with mild heat stress, not only executive processing, but also inhibitory processing may be impaired, and investigated the effectiveness of body cooling approaches on these processes using the Go/No-go task with electroencephalographic event-related potentials. Passive heat stress increased esophageal temperature (Tes) by 1.30 ± 0.24 °C and decreased cerebral perfusion and thermal comfort. Mild heat stress reduced the amplitudes of the Go-P300 component (i.e. execution) and No-go-P300 component (i.e. inhibition). Cerebral perfusion and thermal comfort recovered following face/head cooling, however, the amplitudes of the Go-P300 and No-go-P300 components remained reduced. During whole-body cooling, the amplitude of the Go-P300 component returned to the pre-heat baseline, whereas that of the No-go-P300 component remained reduced. These results suggest that local cooling of the face and head does not restore impaired cognitive processing during mild heat stress, and respon...Continue Reading

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Citations

Jul 22, 2017·Journal of Applied Physiology·Hiroki NakataManabu Shibasaki
Jul 20, 2018·International Journal of Environmental Research and Public Health·Mare Lõhmus
Oct 10, 2018·International Journal of Hyperthermia : the Official Journal of European Society for Hyperthermic Oncology, North American Hyperthermia Group·Margarita CernychMarius Brazaitis
Mar 9, 2019·European Journal of Applied Physiology·Akemi OtaKazunobu Okazaki
Feb 27, 2019·Physiological Reports·Manabu ShibasakiHiroki Nakata
Jul 11, 2019·American Journal of Physiology. Regulatory, Integrative and Comparative Physiology·Hiroki NakataManabu Shibasaki
May 21, 2020·International Journal of Environmental Research and Public Health·Hayden D GerhartYongsuk Seo
May 6, 2020·The Journal of Physiological Sciences : JPS·Manabu ShibasakiShigehiko Ogoh
Aug 23, 2021·Lancet·Kristie L EbiOllie Jay

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Methods Mentioned

BETA
SMA

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