Perception of messages in thought forms from an entity who exists in another realm. You 'hear' what they are saying in though form messages. You may actually hear spirits talking or singing in your head yet there is no auditory sounds. I was born being able to hear spirits. Their messages usually aren't really long. Most of the time you'll hear your name being called. Once I heard one say "Hey come over here." Not too long ago I got woken up by a song playing in my head.The lyrics were:
"I don't care if it haunts my dreams,
Nothing is really what is seems,
Can you tell me what this means?"
I heard it in my dream and even a few minutes after I woke up.
Many of us receive messages this way from spirit guides, or other entities. When a person loses a loved one they often receive messages from them. Often the messages is preceded by a floral fragrance.
When the information comes through you may feel some kind of body sensation . . . chills, tingles, hair standing on end, or other sensations. (When you all of sudden Learning to listen to different entities is as much fun as learning to listen to different people. You soon can distinguish their voices (frequencies).