ugpavlov/cogLoad_auditoryDigitSpan: EEG, pupillometry, ECG and photoplethysmography, and behavioral data in the digit span task and rest

Yuri Pavlov 996370c3cd gin commit from PavlovROG		2 lat temu
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beh	996370c3cd gin commit from PavlovROG	2 lat temu
ecg	996370c3cd gin commit from PavlovROG	2 lat temu
eeg	996370c3cd gin commit from PavlovROG	2 lat temu
pupil	996370c3cd gin commit from PavlovROG	2 lat temu