Conjugate eye deviation resulting from a right-sided middle cerebral artery stroke in a right-handed person. The right motor cortex is damaged and signals reaching it from the dominant hemisphere (the left) cannot descend to move the left eye.
"Does this mean I am taking sugar pills for epilepsy?" Why do we love medicines so much? Neurobiology and immunobiology of the placebo effect. (Credit: Pacheco-Lopez et al EMBO reports) Nature Publishing Group.