Sophia Wilson New Zealand   Photo © Chris Downer / Twelfth century headache / (cc-by-sa/2.0) a ghost shrieks at the window, threatens to break through, shatter eye-cover. throbbing fingers infiltrate soft crevices; neuronal mass pulsates. knife twists, gristle-turning; stoat gnaw, rat’s claw. mind summersaults to snap-trap pain, can’t let go its axon’s branch. cerebral crevices convolute;…