Why it matters
Can predict cautious temperament and stress sensitivity.
Core term · Jerome Kagan
High Reactivity
A strong biological and emotional response to new or intense stimuli.
Areas of life
Parentingsensory lifeconfidence
How to handle it
Reduce overwhelm, prepare for transitions and practice tolerating novelty.
Who shaped this idea
The thinker behind it
From concept to practice
Turn High Reactivity into a question you can answer.
Psipas asks you one small, honest question at a time — and builds the picture from your answers.