Key result
Except for heart rate, physiological signals measured by smart glasses were poorly correlated with perceived stress levels acquired during a task among Polish dental students.
Why the study?
Stress levels can be monitored via physiological signals in addition to questionnaires, motivating evaluation of the relationship between perceived stress and physiological signals including heart rate, head movements, and electrooculographic signals.
Does monitoring physiological signals with smart glasses and pulse oximeters correlate with perceived stress levels in dental students?
Observational
Does monitoring physiological signals with smart glasses and pulse oximeters correlate with perceived stress levels in dental students?
Physiological signals measured by smart glasses poorly correlate with perceived stress levels during a task, whereas heart rate shows a better correlation.
Smart glasses signals should not yet guide stress assessment in dental training; hypothesis-generating for heart rate validation in larger cohorts.
Stress is a physical, mental, or emotional response to a change and is a significant problem in modern society. In addition to questionnaires, levels of stress may be assessed by monitoring physiological signals, such as via photoplethysmogram (PPG), electroencephalogram (EEG), electrocardiogram (ECG), electrodermal activity (EDA), facial expressions, and head and body movements. In our study, we attempted to find the relationship between the perceived stress level and physiological signals, such as heart rate (HR), head movements, and electrooculographic (EOG) signals. The perceived stress level was acquired by self-assessment questionnaires in which the participants marked their stress level before, during, and after performing a task. The heart rate was acquired with a finger pulse oximeter and the head movements (linear acceleration and angular velocity) and electrooculographic signals were recorded with JINS MEME ES_R smart glasses (JINS Holdings, Inc., Tokyo, Japan). We observed significant differences between the perceived stress level, heart rate, the power of linear acceleration, angular velocity, and EOG signals before performing the task and during the task. However, except for HR, these signals were poorly correlated with the perceived stress level acquired during the task.
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Mocny‐Pachońska et al. (2021) conducted an observational in Stress. Physiological signal monitoring (HR, head movements, EOG) was evaluated on Correlation between perceived stress level and physiological signals. Except for heart rate, physiological signals measured by smart glasses were poorly correlated with perceived stress levels acquired during a task among Polish dental students.
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