The Use of Cardiovascular Data to Measure Emotional Resonance and Attention

A recent study says it measured listeners neurophysiological response to different songs. The researchers used a wearable device that can track your cardiac activity, like an Apple Watch or Fitbit. They collected this data and used it as a proxy for brain activity by putting it through commercial platform called immersion neuroscience. It claims to be able to measure emotional resonance and attention by using cardiac data.