People push your buttons because they know they can, regardless of whether theyâre aware of it. What theyâre looking for is a negative reaction; they want you damaged and on the defensive, for whatever reason.
Back to Top Causes. Horner syndrome can be caused by any interruption in a set of nerve fibers that start in the part of the brain called the hypothalamus and travel to the face and eyes. Sympathetic nerve fiber injuries can result from: 1  Injury to one of the main arteries to the brain (carotid artery).
facial anhidrosis ~ decreased, no sweat; In the rare instance that youâre born with Hornerâs syndrome, then your affected iris may be lighter than the other. Hornerâs syndrome can be caused by any interruption or injury in a sympathetic nerve fiber. Health conditions that can damage sympathetic facial nerve fibers, thus causing Hornerâs syndrome, include: stroke; whiplash; brain tumor; otitis media; syringomyelia; neuroblastoma; brainstem lesion; spinal cord injury