associated with the greek god hermes, the messenger of the gods.
the twin snakes coiled around a single shaft with wings emerging from the top.
a possible representation of the twin helix structure of dna and our ability to recieve messages via this "antenna" through meditation, yoga or any one of a number of focusing practices such as hypnosis or fasting or the ingestion of drugs such as amanita mascaria or datura in the shamanic practices of tribal cultures.
and also by accident or illness or injury, as in the case of near-death experiences.
this structure may be the physical way we can experience past lives or psychic knowledge or intuition or seeing ghosts by changing the sensitivity of our physical and spiritual bodies.