Physiological Stress and Anxiety
Electrodermal activity (EDA), the primary outcome, measured eccrine sweat gland activity produced by sympathetic nervous system activation. EDA was measured continuously using a MP150 System (BIOPAC) during a 3-minute baseline period immediately preceding care and throughout the entire dental cleaning, using pregelled electrodes on the distal phalanges of the index and middle fingers of the participant’s nondominant hand, a traditional method of EDA data collection.