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Psychophysiological responses of shame in young children: A thermal imaging study.

ABSTRACT: Shame can be defined as the emotional response to one's violations of rules being exposed to others. However, it is difficult to objectively measure this concept. This study examined the psychophysiological indicators of shame in young children using behavioral methods and thermography, which measures facial temperatures that reflect blood flow changes related to emotions. Four- to six-year-old children participated in an "animal guessing game," in which they lied about having violated a rule. They were assigned to either the exposure or the non-exposure group. In the exposure group, participants' lies were exposed by the experimenter, whereas in the non-exposure group, their lies were not. Results showed that at the behavioral level, participants in the exposure group expressed characteristic behaviors of shame (e.g., embarrassed smiles) more often than those in the non-exposure group. Moreover, the nasal temperatures of participants in the exposure group were higher than those of participants in the other group after the lie was exposed. These results suggest that participants' lies being exposed induced psychophysiological responses and consequently raised their nasal temperature. This finding indicates that psychophysiological responses can enable us to objectively measure higher-order emotions in young children.

SUBMITTER: Ohigashi S

PROVIDER: S-EPMC10561869 | biostudies-literature | 2023

REPOSITORIES: biostudies-literature

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Psychophysiological responses of shame in young children: A thermal imaging study.

Ohigashi Sho S Sakata Chifumi C Kuroshima Hika H Moriguchi Yusuke Y

PloS one 20231009 10

Shame can be defined as the emotional response to one's violations of rules being exposed to others. However, it is difficult to objectively measure this concept. This study examined the psychophysiological indicators of shame in young children using behavioral methods and thermography, which measures facial temperatures that reflect blood flow changes related to emotions. Four- to six-year-old children participated in an "animal guessing game," in which they lied about having violated a rule. T ...[more]

PMID: 37812601

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Project description:IntroductionExperiencing psychological stress may affect clinician performance in acute emergencies. While simulation is used extensively in healthcare education, it is unknown whether simulation effectively replicates the psychophysiological stress of real-world conditions. Thus, this study explored whether measurable differences exist in psychophysiological responses to acute stress in simulated compared with real-world clinical practice.MethodsIn this within-subjects observational study, stress appraisals, state anxiety and heart rate variability (HRV) were recorded during simulated and real-world emergencies in a 6-month training placement in neonatal medicine. Eleven postgraduate trainees and one advanced neonatal nurse practitioner participated. Mean (SD) participant age was 33 (8) years; and eight participants (67%) were female. Data were collected at rest and immediately before, during and 20 min after simulated and real-world neonatal emergencies. In situ simulation scenarios were modelled on those used in accredited neonatal basic life support training. Stress appraisals and state anxiety were assessed using Demand Resource Evaluation Scores and the short State-Trait Anxiety Inventory, respectively. High-frequency power, a component of HRV associated with parasympathetic tone, was derived from electrocardiogram recordings.ResultsSimulation was associated with greater likelihood of threat appraisal and higher state anxiety. High-frequency HRV reduced from baseline in simulated and real-world emergencies but recovered further towards baseline 20 min after simulated events. Possible explanations for the observed differences between conditions include participants' previous experiences and expectations of simulation and the effect of post-simulation debrief and feedback.DiscussionThis study identifies important differences in psychophysiological stress responses to simulated and real-world emergencies. Threat appraisals, state anxiety and parasympathetic withdrawal are educationally and clinically significant, given their known associations with performance, social functioning and health regulation. While simulation may facilitate interventions aimed at optimising clinicians' stress responses, it is vital to confirm that outcomes transfer to real-world clinical practice.

Project description:BackgroundThe human foot typically changes temperature between pre and post-locomotion activities. However, the mechanisms responsible for temperature changes within the foot are currently unclear. Prior studies indicate that shear forces may increase foot temperature during locomotion. Here, we examined the shear-temperature relationship using turning gait with varying radii to manipulate magnitudes of shear onto the foot.MethodsHealthy adult participants (N = 18) walked barefoot on their toes for 5 minutes at a speed of 1.0 m s-1 at three different radii (1.0, 1.5, and 2.0 m). Toe-walking was utilized so that a standard force plate could measure shear localized to the forefoot. A thermal imaging camera was used to quantify the temperature changes from pre to post toe-walking (ΔT), including the entire foot and forefoot regions on the external limb (limb farther from the center of the curved path) and internal limb.ResultsWe found that shear impulse was positively associated with ΔT within the entire foot (P < 0.001) and forefoot (P < 0.001): specifically, for every unit increase in shear, the temperature of the entire foot and forefoot increased by 0.11 and 0.17 °C, respectively. While ΔT, on average, decreased following the toe-walking trials (i.e., became colder), a significant change in ΔT was observed between radii conditions and between external versus internal limbs. In particular, ΔT was greater (i.e., less negative) when walking at smaller radii (P < 0.01) and was greater on the external limb (P < 0.01) in both the entire foot and forefoot regions, which were likely explained by greater shear forces with smaller radii (P < 0.0001) and on the external limb (P < 0.0001). Altogether, our results support the relationship between shear and foot temperature responses. These findings may motivate studying turning gait in the future to quantify the relationship between shear and foot temperature in individuals who are susceptible to abnormal thermoregulation.

Dataset Information

Psychophysiological responses of shame in young children: A thermal imaging study.

Publications

Psychophysiological responses of shame in young children: A thermal imaging study.

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