Hughlings Jackson's Second Thoughts on Mental States in Epilepsy.

John Hughlings Jackson (1835-1911) was the pre-eminent British neurologist of the last 3 decades of the 19th century whose most seminal contributions related to the understanding of epileptic seizures. Jackson instructed that his personal papers should be destroyed at his death, and consequently, few examples of his handwriting now survive. We discovered a series of marginalia in Jackson's handwriting annotating one of his papers, "On temporary mental disorders after epileptic paroxysms," first published in 1875 in the