Isabela Granic’s research while affiliated with McMaster University and other places

Adequate control over evolutionary engrained bodily stress reactions is essential to avoid23 disproportionate responses during highly arousing situations in police. This regulation can be trained24 via heart rate variability (HRV)-biofeedback, a widely used intervention aiming to improve stress25 regulation, but typically conducted under passive, low arousing conditions. We integrated closed26 loop HRV-biofeedback in a newly designed engaging Virtual Reality (VR) action game containing the27 behavioral elements typically compromised under stress. Specifically, we aimed to train in-action28 physiological self-control under high arousal to allow improved transfer to real-life. A pre-registered29 (https://osf.io/cdsbx) quasi-randomized controlled trial in 109 Dutch police trainers demonstrated30 highly significant increases in HRV (32% average), through the engaging and gamified closed loop31 biofeedback. This ability to voluntarily upregulate in-action HRV transferred to game sessions32 without biofeedback (near transfer). Critically, we could additionally demonstrate transfer to a33 professional shooting performance assessment outside VR (far transfer). These results suggest that34 real time-biofeedback in stressful and active action contexts can help train professionals such as35 police in real-life stress regulation

Group-level studies of the association between social media use and wellbeing in emerging adults have so far yielded mixed and inconsistent results. As a result, recent research has shifted focus towards assessing potential heterogeneity in social media use relationships in youth. In this preregistered study, we aimed to take previous efforts further by incorporating both subjective and objective data, and by including more specific measures of social media use such as how active emerging adults were on social media, and with whom they interacted. While data resolution issues interfered with some of our analyses, our findings suggest that there is heterogeneity in some but not all of the relationships between social media use and emerging adults’ affective wellbeing.

The current study aimed to identify specific feedback mechanics and psychological processes that may contribute to positive outcomes in biofeedback applications for anxiety regulation. Specifically, using a dismantling study design, the unique impact of visualizations that directly mirror users' breathing was examined in relation to anxiety regulation as well as locus of control and self-efficacy. Following an anxiety induction, participants (N = 67) were randomly assigned to play one of two variations of a biofeedback video game. In both versions, players' in-game movement was contingent on their breathing; however, the experimental condition additionally included visualizations that directly mirrored players' breathing. Changes in self-reported state anxiety and physiological arousal were measured as well as the level of internal control and self-efficacy participants experienced while playing the game. Results showed that all participants were able to effectively reduce their anxiety and arousal, but no condition differences were found. Implementing mirroring visualizations did not contribute to individuals' ability to self-regulate nor their self-efficacy or locus of control above and beyond receiving feedback based on their in-game movement. Overall, individuals who experienced higher self-efficacy and a stronger internal locus of control were better able to regulate their anxiety, but no clear links were found with changes in self-reported physiological arousal. In light of these results, we recommend the continued exploration of the role of specific design choices and intervention components as well as underlying mechanisms of change in biofeedback interventions, especially pertaining to how individuals perceive themselves and their ability to change.

It is widely recognized that police performance may be hindered by psychophysiological state changes during acute stress. To address the need for awareness and control of these physiological changes, police academies in many countries have implemented Heart-Rate Variability (HRV) biofeedback training. Despite these trainings now being widely delivered in classroom setups, they typically lack the arousing action context needed for successful transfer to the operational field, where officers must apply learned skills, particularly when stress levels rise. The study presented here aimed to address this gap by training physiological control skills in an arousing decision-making context. We developed a Virtual-Reality (VR) breathing-based biofeedback training in which police officers perform deep and slow diaphragmatic breathing in an engaging game-like action context. This VR game consisted of a selective shoot/don’t shoot game designed to assess response inhibition, an impaired capacity in high arousal situations. Biofeedback was provided based on adherence to a slow breathing pace: the slower and deeper the breathing, the less constrained peripheral vision became, facilitating accurate responses to the in-game demands. A total of nine male police trainers completed 10 sessions over a 4-week period as part of a single-case experimental ABAB study-design (i.e., alternating sessions with and without biofeedback). Results showed that eight out of nine participants showed improved breathing control in action, with a positive effect on breathing-induced low frequency HRV, while also improving their in-game behavioral performance. Critically, the breathing-based skill learning transferred to subsequent sessions in which biofeedback was not presented. Importantly, all participants remained highly engaged throughout the training. Altogether, our study showed that our VR environment can be used to train breathing regulation in an arousing and active decision-making context.

Literature concerning the relationship between social media use and wellbeing is inconsistent in its findings, and most research has focused on time spent on social media rather than on what emerging adults do there, with whom and why. Here, we investigated whether momentary social stress affects emerging adults’ social media use, and whether this social media use relates to subsequent changes in wellbeing. We implemented a multi-method paradigm utilising objective and self-report data to investigate how social stress relates to how (much) and why emerging adults use social media. We report on findings based on 114 17–25-year-old emerging adults recruited on university campus. Our findings suggest that social stress does not affect adolescents’ subsequent social media use and that there is no relationship between social media use after stress and changes in momentary wellbeing. Our work illustrates the need for detailed approaches in social media and psychological wellbeing research.

It is widely recognized that police performance may be hindered by psychophysiological state changes during acute stress. To address the need for awareness and control of these physiological changes, police academies in many countries have implemented Heart-Rate Variability (HRV) biofeedback training. Despite these trainings now being widely delivered in classroom setups, they typically lack the arousing action context needed for successful transfer to the operational field, where officers must apply learned skills, particularly when stress levels rise. The study presented here aimed to address this gap by training physiological control skills in an arousing action context. We developed a Virtual-Reality (VR) breathing-based biofeedback training in which police officers perform deep and slow diaphragmatic breathing in an engaging game-like action context. This VR game consisted of a selective shoot/don’t shoot game designed to assess response inhibition, an impaired capacity in high arousal situations. Biofeedback was provided based on adherence to a slow breathing pace: the slower and deeper the breathing, the less constrained peripheral vision became, facilitating accurate responses to the in-game demands. A total of nine male police trainers completed 10 sessions over a 4-week period as part of a single-case experimental ABAB study-design (i.e., alternating sessions with and without biofeedback). Results showed that eight out of nine participants showed improved breathing control in action, with a positive effect on breathing-induced low frequency HRV, while also improving their in-game behavioral performance. Critically, the breathing-based skill learning transferred to subsequent sessions in which biofeedback was not presented. Importantly, all participants remained highly engaged throughout the training. Altogether, our study showed that our VR environment can be used to train breathing regulation in an arousing action context.

Rejection consists of a range of behaviors from ignoring another to explicitly excluding someone from an encounter. Currently available experimental tasks have shown that rejection has strong emotional, behavioral, and physical effects, but the tasks have some limitations. We argue that video games can address these limitations and have developed a new experimental task (ScrollQuest) to show the potential of video games as rejection research tools. The primary goal of the present study was to explore the effects of ScrollQuest. We analyzed data from 116 young adults who played both ScrollQuest and the rejection experimental task Cyberball. Playing ScrollQuest had more negative effects on mood, more negative interpretation effects were observed after playing ScrollQuest, and ScrollQuest was perceived as more enjoyable, compared to Cyberball. Our findings suggest that ScrollQuest might be an effective new experimental task to study rejection in a digital environment, but more work is needed to improve ScrollQuest.

Objective: Anxiety disorders are the most prevalent form of psychopathology among youth. Because demand for treatment far exceeds availability, there is a need for alternative approaches that are accessible, engaging, and incorporate practice to reach as many youth as possible. MindLight is a novel videogame intervention that combines evidence-based anxiety reduction techniques with neurofeedback mechanics that has been shown to reduce anxiety symptoms in youth. This study examined the effectiveness of MindLight compared with online cognitive behavioral therapy (CBT) to replicate and extend those findings by testing the reduction of reactivity to anxiety-eliciting laboratory stressors. Materials and Methods: A randomized controlled trial was conducted with laboratory assessments at pre-intervention, post-intervention, and 3-month follow-up. Participants were 117 anxious youth (66.7% female, 33.3% male; age range: 8.05-15.93 years) who were randomized into MindLight (n = 56) and CBT (n = 60) conditions. Both interventions were completed in five 1-hour sessions within a 3-week period. At each time point, anxiety symptoms were assessed through self-report, and state anxiety and anxious arousal were measured during laboratory stress tasks. Results: All measures of anxiety significantly decreased over time in both conditions (P < 0.05). Moreover, youth in the MindLight condition showed greater pre-to-post reductions in anxiety symptoms compared with youth in the CBT condition (P < 0.05). Conclusion: Findings demonstrate that the effects of MindLight and online CBT are not only associated with reductions in anxiety symptoms, but also impact how youth react to laboratory stressors in the moment. ClinicalTrials.gov Identifier: NCT02326545.