What a signal represents
A physiological signal can change for more than one reason. Heart rate can vary with arousal, movement and individual circumstances. A squeeze may reflect concentration or excitement as well as distress.
A responsive system therefore needs careful interpretation. A rising trace on a screen is not the same thing as the child’s subjective experience.
The role in this research
The academic prototype used physiological and behavioral context to inform changes in the VR environment. The trial also collected post-procedure self-reported pain. These roles should remain distinct when explaining the system.
An algorithm changing a scene is not an algorithm deciding medical treatment. Clinical assessment and pain management remain the responsibility of qualified professionals.
Explain uncertainty without hiding the idea
An interaction illustration can show a physical input and a virtual response. It should not invent a “pain detected” percentage or suggest diagnostic performance the study did not establish.
Hospital conversations should address what is measured, how adaptation is constrained and what information is actually available to staff.