Ménière's disease the inner ear. The American Academy of Otolaryngology–Head and Neck Surgery Committee on Hearing and Equilibrium (AAO HNS CHE) set criteria for diagnosing Ménière's, as well as defining two sub-categories of Ménière's: cochlear (without vertigo) and vestibular (without deafness). In 1972, the Academy defined criteria for diagnosing Ménière's disease as: In 1985, this list changed to alter wording, such as changing "deafness" to "hearing loss associated with tinnitus, characteristically of low frequencies" and requiring more than one attack of vertigo to diagnose. Finally in 1995, the list was again altered to allow for degrees of the disease: In 2015, the
The Word for World Is Forest Athsheans: one of the elders of the Athsheans says to Selver "You've done what you had to do, and it was not right." "The Word for World is Forest" also challenges the idea of colonialism; the Terran colonists are depicted as being blind to the culture of the Athsheans, and convinced that they represent a higher form of civilization. Le Guin also challenges the metaphorical preference in Western cultures for pure light, in contrast to deeper and more complex shadows. Throughout the novel Le Guin draws a contrast between the Athshean way of integrating with the ecology of the planet,