Video Games and Biofeedback for Developing Introspective Capacities

Today’s children are growing up in a world deeply intertwined with digital play, where video games play a central role in entertainment, socialization, and even learning. However, understanding how young players feel about these experiences—and how they reflect on their emotions—remains a challenge. Traditional research methods, like interviews or surveys, often fail to capture the full complexity of children’s emotions. Children may lack the emotional vocabulary to articulate their feelings or feel pressure to give adults the responses they expect.

But what if we could use their body’s own physiological responses as a tool to help them better understand themselves?

A recent study, “Using Psychophysiological Data to Facilitate Reflective Conversations with Children about their Player Experiences,” explored this innovative idea. Researchers collected psychophysiological data—such as heart rate (HR), galvanic skin response (GSR), facial expressions, and eye tracking—while children played video games. Later, they used these data points to prompt reflective discussions about the children’s gameplay experiences. This methodology not only deepened children’s reflections but also provided researchers and clinicians with a novel, objective lens for understanding children’s emotional and cognitive responses.

Beyond gameplay analysis, biofeedback and neurofeedback offer immense potential for supporting child development. By making children more aware of their bodily and emotional states earlier in life, these tools could strengthen skills like introspection (understanding internal thoughts) and interoception (recognizing bodily signals). These abilities typically evolve over time, but biofeedback systems could potentially accelerate the process, nurturing emotional intelligence and self-awareness at an earlier stage.

Methods

The study monitored psychophysiological responses from 68 children, aged 7–13, as they played two popular video games:

1. Rocket League (a fast-paced, competitive soccer game), and

2. LEGO Builder’s Journey (a puzzle-based adventure game).

The researchers collected a variety of data during gameplay:

• Heart Rate (HR): Measured with a sensor attached to the child’s earlobe, HR data captured emotional arousal, revealing moments of tension or excitement during play.

• Galvanic Skin Response (GSR): Sensors on the children’s forearms tracked changes in skin conductivity, which are linked to emotional intensity and stress.

• Facial Expressions: A webcam recorded facial movements, which were analyzed to detect basic emotions like joy, sadness, anger, and surprise.

• Eye Tracking: By following the children’s gaze, researchers identified where their attention was focused during gameplay, offering insights into their planning and problem-solving strategies.

Biofeedback Sessions

After the initial gameplay sessions, children participated in biofeedback discussions, where they reviewed their physiological data alongside researchers. For example, a child might observe a spike in their heart rate and reflect on why that happened during a specific moment in the game. These sessions, conducted a few days after gameplay, used physiological data as objective starting points for conversations, helping to reduce social desirability bias (the tendency to give answers that please adults).

This approach enabled children to provide more nuanced reflections about their gameplay experiences, emotions, and thought processes. However, the study noted that certain physiological signals, such as GSR, were harder for younger children to interpret compared to more visible data, like facial expressions or heart rate changes.

Results

The study uncovered several key insights into how biofeedback can help children reflect on their emotional and cognitive experiences during gameplay:

1. Positive and Negative Emotions:

• When reviewing HR or facial expression data tied to moments of success (e.g., scoring a goal), children frequently reported feelings of happiness, excitement, and pride.

• Conversely, data linked to challenges or failures (e.g., missing a goal) led children to reflect on frustration, sadness, or annoyance.

• These reflections allowed children to articulate their emotional states more clearly than in traditional interviews.

2. Cognitive Insights:

• Eye-tracking data revealed how children planned their actions. For example, children explained where they focused their attention (e.g., aiming or solving puzzles) and described their strategies for overcoming obstacles.

• Some children highlighted how certain game elements required problem-solving, demonstrating deep engagement in cognitive tasks during play.

3. Challenges in Interpretation:

• Younger children struggled to interpret more abstract data, such as GSR, which measures physiological arousal, and can monitor emotional intensity. These findings suggest that biofeedback tools may need to be simplified or paired with clearer explanations for younger users.

Overall, the study demonstrated that psychophysiological data can serve as a powerful tool for helping children better understand and reflect on their emotions and thought processes during play.

Discussion

Biofeedback and neurofeedback represent unique opportunities to enhance emotional learning, particularly for children. As shown in this study, physiological data provides a concrete foundation for children to connect their bodily signals to their emotional experiences. For instance, observing an increased heart rate during a tense game moment can help children identify similar moments of tension in real life.

By exposing children to biofeedback, we can support the early development of emotional skills such as self-regulation and emotional awareness. These abilities, essential for managing emotions in diverse environments (e.g., at school or in social interactions), typically develop gradually but can be reinforced earlier through biofeedback tools that make abstract concepts—like “stress” or “calmness”—more tangible.

Implications for Practitioners

For professionals working with children, biofeedback offers an innovative way to complement traditional methods for teaching emotional regulation. Conversations about emotions or stress often feel abstract, and children may struggle to articulate what they’re feeling. Physiological data creates a bridge between their inner experiences and their ability to express them, making interventions more engaging and rooted in objective data.

From a research and therapy perspective, biofeedback provides a valuable way to track progress. For instance, monitoring how a child’s physiological response to stress changes over time could offer critical insights into the effectiveness of therapeutic interventions. Moreover, visualizing progress—like a reduced HR spike during stressful moments—can boost a child’s sense of accomplishment, reinforcing their engagement in the learning process.

Neurofeedback’s Potential

The study also points to the broader potential of neurofeedback in supporting introspection and interoception—the ability to recognize and understand one’s own bodily signals. While these capacities typically develop with age, neurofeedback tools may accelerate this learning process, enabling earlier and more effective emotional self-regulation.

For instance, neurofeedback has shown promise in helping children with ADHD improve their focus and emotional control. Similar tools could be applied to a broader population, fostering cognitive flexibility and emotional resilience in children of all backgrounds.

Conclusion

By making the invisible visible—turning abstract emotions into concrete physiological data—biofeedback and neurofeedback provide children with a unique opportunity to understand how their bodies respond to different situations. This learning extends beyond momentary emotional management, equipping children with lifelong skills like resilience, adaptability, and emotional intelligence.

The ability to integrate biofeedback into playful, accessible contexts, such as video games, further enhances its appeal for children. As demonstrated in this study, emotional learning doesn’t need to feel like a formal lesson. By embedding these tools into activities children already enjoy, like gaming, the learning process becomes more natural and engaging. Over time, this could lead to lasting cognitive and emotional benefits, equipping children with tools to navigate their inner worlds and relationships with greater confidence.

References

Mackenzie, J.E., Klarkowski, M., Horton, E.M., Theobald, M., Danby, S., Kervin, L., Barrie, L., Amery, P.K., Andradi, M., Smith, S.S., Mandryk, R.L., & Johnson, D. (2024). Using Psychophysiological Data to Facilitate Reflective Conversations with Children about their Player Experiences. Proceedings of the ACM Human-Computer Interaction, 8, CHI PLAY, Article 347. https://doi.org/10.1145/3677112