Artificial intelligence (AI) is the intelligence exhibited by machines or software. It is also the name of the academic field of study which studies how to create computers and computer software that are capable of intelligent behavior.
third occipital nerve. third occipital nerve n. The mediodorsal branch of the third cervical nerve, usually joined with the greater occipital nerve but also existing as an independent nerve having cutaneous branches to the scalp and the nape.
Occipital neuralgia. Pain at the back of the skull and up towards the ear and top of the head on one side only. It can be caused by trauma, by arthritis-related compression of the occipital nerve or by a tumour on, or pressing on, the nerve. The pain is often more prolonged and throbbing than brief and stabbing.