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

Yuri Pavlov d8b4940800 gin commit from PavlovROG		2 anni fa
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beh	d8b4940800 gin commit from PavlovROG	2 anni fa
ecg	d8b4940800 gin commit from PavlovROG	2 anni fa
eeg	d8b4940800 gin commit from PavlovROG	2 anni fa
pupil	d8b4940800 gin commit from PavlovROG	2 anni fa