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How it works

Developed by experts,
trusted by professionals

Our body is regulated by the autonomic nervous system (ANS). In a balanced nervous system, the heart is constantly being told to beat faster by the sympathetic nervous system and slower by the parasympathetic nervous system, resulting in Heart Rate Variability (HRV).

Here's where Upmood comes in. Using our PPG optical sensor, we can measure your HRV, process it through our Upmood algorithm, and map out arousal (intensity level) and valence (positivity/negativity) to detect emotion.

Emotion results are calculated every 1.5 to 3 minutes and are then shown on our Upmood Emotion Dashboard to give clients information about emotional patterns over time. With these insights, users can use interventions and change their environment to impact their well-being.

Our emotion algorithm is backed by rigorous, multi-year research by experts in Heart Rate Variability, Psychology and Neuroscience.



Participated in a 2-year study with our R&D team of psychology professors and experts to develop the Upmood algorithm.



Can be calculated using continuous valence and arousal at 1.5 to 3 minute intervals.

2 out of 3


Reported the same positive emotion as the Upmood algorithm result when asked how they felt.

If you'd like to know more, read our publication here

We can generate relevant emotions by mapping
negative to positive valence and low to high arousal

*Mixed emotions (challenged and confused) are not displayed in this diagram

Upmood - Emotional Diagram.png

Case Studies

Explore our case studies and discover how Upmood has been used to deliver emotion data and analytics across different fields.


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