====== 1877 ====== [[1876]]-[[1878]] The existence of the [[zona incerta]] was first described by [[Auguste Forel]] in [[1877]] as a "region of which nothing certain can be said". A hundred and thirty years later in [[2007]], Nadia Urbain and Martin DeschĂȘnes of UniversitĂ© Laval noted that the "zona incerta is among the least studied regions of the brain; its name does not even appear in the index of many textbooks