Clairsentience or "clear sensing", is the ability to have an impression of what a spirit wants to communicate, or to feel sensations instilled by a spirit.
Sensations come in many forms.
Often spiritual healing and any kind of healing therapy such as distance energy healing, sound vibrational therapy, music therapy etc, have a reaction within the senses.
tingles, shivers, pins and needles, a brush of air, heat, cold.
All of these are physical reactions to energy entering the body.