Clinical findings that do not negate Brain death

diabetes insipidus
organ failure
sweating and tachycardia
simple and complex repetitive and spontaneous movements
bilateral finger tremor
cyclic pupillary dilatation and constriction
repetitive leg movements
myokymia of face
eyelid opening
undulating toe reflex
autocycling respirations that are really ventilator driven
(above since 1995)

cremasteric, plantar, abdominal reflexes
triple flexion response
deep tendon reflexes
respiratory like reflex
Lazarus sign
limb movements besides posturing
(above pre 1995)

cf Scripko and Greer  The Neurologist 2011;17:237-240