Influence of sustained cognitive loading on finger circulatory and thermoperceptual responsiveness to localized cooling
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The study examined whether finger vasoreactivity and thermosensitivity to local cooling would be modulated by two different paradigms of enhanced cognitive strain evoked by the prolonged execution of a mentally demanding task. When localized cold stress was applied in moderately mentally fatigued individuals, finger cold-induced vasoconstriction was temporarily attenuated, and thermal discomfort was mitigated. The simultaneous application of cognitive loading and local cooling did not potentiate finger vasoconstriction during cooling but facilitated digit reperfusion following cooling.
