Key result
Physiological signals for emotional stress expose traditional questionnaire limitations and prompt new data acquisition protocols.
Why the study?
Most research on emotional stress assessment relies on questionnaires and interviews, which often fail to capture the true internal state and can produce erroneous results, while few studies have explored physiological signals for this purpose.
Can physiological signals effectively assess human emotional stress compared to questionnaires and interviews?
Can physiological signals effectively assess human emotional stress compared to questionnaires and interviews?
This review highlights the limitations of questionnaire-based stress assessment and proposes a new protocol using physiological signals for more accurate emotional stress evaluation.
Limited physiological data on negative emotions and stress advises clinical caution; leaves open need for prospective validation studies.
Emotional stress is kind of stressful state which is developed due to the continuous occurrence of negative emotions such as sad, disgust, angry and fear over a long period of time. In this work, a detailed investigation has been carried out to identify the relation between negative emotions and stress through previous works. Different types of physiological signals have been investigated by previous researchers on assessing emotions and stress. However, very limited numbers of research works are discussed about the emotional stress assessment using physiological signals. Most of the literatures have been considered the questionnaires and interview-based approaches for estimating the human emotional stress, but these methods are suffers on getting the original or internal state of the subject and giving erroneous solutions in most of the times. Identifying and reducing the level of emotional stress is one of the major factors for preventing the subjects from any kind of medical illness. As result of this review, we have proposed a new data acquisition protocol and signal processing methods for effectively assessing the level of emotional stress through physiological signals.
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Bong et al. (2013) conducted a review in Emotional stress. Physiological signals vs. Questionnaires and interview-based approaches was evaluated. A review of physiological signals for assessing emotional stress highlights the limitations of traditional questionnaires and proposes a new data acquisition protocol and signal processing methods.
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