Circadian Levels of Serum Melatonin and Cortisol in relation to Changes in Mood, Sleep, and Neurocognitive Performance, Spanning a Year of Residence in Antarctica

Table 1

Neurocognitive domains and tests used in the study protocol.

Serial number	Domain	Neurocognitive Test	References
1	Attention/concentration	Shifting attention test
		Digit span forward	Tulsky et al. [18]
		Continuous performance test
2	Executive function	Stroop test	Tornatore et al. [24]
3	Visual motor ability	Index finger tapping test (FTT)	Gill et al. [19]
4	Visual memory	Modified Rey Visual Design Learning test	Shapiro and Harrison [20]
5	Arithmetic	Speed and accuracy of simple addition,
		subtraction, multiplication and division equations.
6	Speed of processing	Simple and choice reaction time	Lemay et al. [21]