Key result
Passive whole body skin cooling delayed the peak latencies of multiple somatosensory-evoked potential components and the Go-P300 component of event-related potentials (all P < 0.05).
Why the study?
The study investigated the effect of whole body skin cooling on somatosensory ascending processing, motor execution, and inhibitory processing.
Does whole body skin cooling delay neural activities on somatosensory processing and higher cognitive function in healthy participants?
Does whole body skin cooling delay neural activities on somatosensory processing and higher cognitive function in healthy participants?
p-value: p=< 0.05
Passive whole body skin cooling delays neural activities related to somatosensory processing and higher cognitive function.
May delay neural timing in healthy adults; hypothesis-generating and should not yet change practice.
The present study investigated the effect of whole body skin cooling on somatosensory ascending processing by utilizing somatosensory-evoked potentials (SEPs) and motor execution, as well as inhibitory processing by event-related potentials (ERPs). Fourteen healthy participants wearing a water-perfused suit performed two sessions ( sessions 1 and 2) consisting of SEPs and ERPs with somatosensory Go/No-go paradigms under two conditions (cold stress and control) on different days. In session 2, under the cold stress condition, whole body skin cooling was achieved by circulating 20°C water through the suit for 40 min, whereas 34°C water was perfused in the other sessions. The mean skin temperature decreased from 35.0 ± 0.5°C ( session 1) to 30.4 ± 0.9°C ( session 2) during whole body skin cooling, but the internal temperature was maintained. Whole body skin cooling delayed the peak latencies of N20, P25, and P45 components at C4′ of SEPs (all: P < 0.05). Moreover, the peak latencies of P14, N18, and P22 components at Fz of SEPs and the Go-P300 component of ERPs were delayed (all: P < 0.05). In contrast, the peak amplitudes of all individual components of SEPs as well as N140 and P300 of ERPs remained unchanged. These results suggest that passive whole body skin cooling delays neural activities on somatosensory processing and higher cognitive function.
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Nakata et al. (2019) studied Healthy participants (n=14). Whole body skin cooling vs. Control (34°C water) was evaluated on Peak latencies of somatosensory-evoked potentials (SEPs) and event-related potentials (ERPs) (p=< 0.05). Passive whole body skin cooling delayed the peak latencies of multiple somatosensory-evoked potential components and the Go-P300 component of event-related potentials (all P < 0.05).
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