Person-centred therapy (also referred to as client-centred therapy or Rogerian therapy) is based on the humanistic philosophy that every individual has the inherent ability to create a more positive and enjoyable way of living for themselves. It provides a non-judgmental and accepting space for free-thinking and self-discovery.

This timeline offers a few key milestones in the development of hypnosis and hypnotherapy as practices for healing, emotional wellbeing, and mental health.