Our bodies relate how we feel in more ways than one – our heart included. Electrocardiography (ECG) is a common method in medical diagnosis, but can also be used to help understand an individual’s level of physiological arousal, as well as their emotional state.

The ECG infographic below covers the basics, and how it can be used to provide insights into human behavior.

ECG infographic

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If you’d like to learn more about how ECG can be used in your research, then get in touch! If you’d like to learn more about getting insights in human behavior research, then download our free guide below.

Human Behavior Pocket Guide Insert


Hansen, A. L., Johnsen, B. H., Thayer, J. F. (2007). Relationship between heart rate variability and cognitive function during threat of shockAnxiety, Stress, & Coping. Volume 22(1):77-89.

Lyon A, Mincholé A, Martínez JP, Laguna P, Rodriguez B. (2018). Computational techniques for ECG analysis and interpretation in light of their contribution to medical advancesJ R Soc Interface. Jan;15(138).

Quintana, D. S., Guastella, A. J., Outhred, T., Hickie, I. B., Kemp, A. H. (2012). Heart rate variability is associated with emotion recognition: Direct evidence for a
relationship between the autonomic nervous system and social cognition. International Journal of Psychophysiology, 86, 168–172.

Segerstrom SC, Nes LS. (2007). Heart rate variability reflects self-regulatory strength, effort, and fatiguePsychol Sci. Mar;18(3):275-81.