Transcutaneous auricular vagus nerve stimulation (taVNS) is a novel non-invasive brain stimulation technique which might be used to improve cognition and modulate pupil size through its effects on the ...

The lymph nodes behind the ear are called the posterior auricular lymph nodes. Mastoiditis is a bacterial infection affecting the mastoid. The mastoid is the part of the skull bone behind the ear.

A daith piercing is an ear piercing in the small cartilage fold above the ear canal. Wearing a stud or ring in this spot is believed to stimulate nerve activity that manages pain and other migraine ...