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Updated: Jan 12, 2026
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Quantitative Autonomic Testing
Published on: July 19, 2011
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Flow state and autonomic response patterns during sensory rejection tasks using the Uchida-Kraepelin Test
Hiroyuki Kuraoka1, Mitsuo Hinoue2, Chikamune Wada3
1Department of Information Systems Engineering, Faculty of Science and Technology, Chitose Institute of Science and Technology, 758-65 Bibi, Chitose, Hokkaido, Japan.
Plos One
|October 30, 2025
Summary
This study found that a monotonous mental arithmetic task did not induce a flow state. However, participants experiencing flow showed decreased heart rate post-task, linking flow state to specific autonomic nervous system patterns.
Area of Science:
- Psychology
- Neuroscience
- Human Physiology
Background:
- The flow state, characterized by deep immersion and enjoyment in an activity, is associated with altered cognitive and physiological processes.
- Understanding the physiological underpinnings of flow is crucial for optimizing performance and well-being.
- Autonomic nervous system (ANS) activity reflects the body's response to various stimuli, including cognitive tasks.
Purpose of the Study:
- To investigate the relationship between the flow state and autonomic nervous system (ANS) activity indices.
- To determine if a specific mental arithmetic task can induce a flow state and elicit distinct physiological responses.
- To explore the potential of physiological markers in assessing the flow state.
Main Methods:
- 18 healthy male participants performed the Uchida-Kraepelin (U-K) test, a mental arithmetic task, under self-paced and competitive conditions.
- Subjective assessments included flow, time perception, mental workload, and fatigue.
- Continuous monitoring of ANS activity indices, including heart rate, was conducted throughout the experiment.
Main Results:
- The U-K test, as a low-difficulty, monotonous task, did not successfully induce a flow state.
- Physiological responses during the mental task indicated an increased heart rate (Pattern 1 response).
- Participants who reported higher flow and altered time perception exhibited a decreased heart rate post-task (Pattern 2 response), suggesting a link between flow and specific ANS activity.
Conclusions:
- The Uchida-Kraepelin test may not be suitable for inducing flow due to its monotonous nature.
- The findings support an association between the flow state and Pattern 2 autonomic nervous system responses, characterized by decreased heart rate.
- Future assessments of the flow state should incorporate multiple physiological markers, such as blood pressure, alongside heart rate.
