AAWSAP DIRD, Cognitive Limits on Simultaneous Control of Multiple Unmanned Spacecraft, December 2010

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Skin Measurements
The ANS controls the opening and closing of sweat glands in response to stress and
anxiety. These changes can be observed by measuring electrodermal activity, typically
skin conductance response (SCR), 17 but also skin potentials (SP) and skin temperature
(ST). A standard score of these measures can be calculated by collecting resting state
data prior to the task interval.
Serum Levels of Hormones
Hormone levels are direct results of activity in the ANS. It is natural to want to
continuously monitor certain stress hormones such as adrenaline or cortisol. The
difficulty lies in measurement time - typical fast assays of salivary cortisol still require
about 15 minutes. 18 Until reliable in-situ monitoring is available, serum levels of
hormones will only play a supporting role in establishing baseline capacities or post­
incident analysis.
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