Fig. 1 | Scientific Reports

Fig. 1

From: Randomized cross-over trial comparing stress responses amongst undergraduates and surgeons with and without background music during simulated surgery

Fig. 1

Experiment Protocol (Participant Flow). Psychological outcome measures were the Six-Item State Trait Anxiety Inventory (STAI-6) and a Surgical Taskload Index (SURG-TLX). Physiological outcome measures were heart rate (HR) blood pressure (BP), mean arterial pressure (MAP), respiratory frequency, partial pressure of end-tidal carbon dioxide (PETCO2) and middle cerebral artery mean blood velocity (MCA Vm). Music (M), Non music (NM).

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