ICHD classification and diagnosis of migraine are further subdivided. Overall ICHD-3 beta distinguishes 29 migraine subtypes. The following table outlines the main subtypes and their ICHD-1, -2, -3 beta and ICD-10 codes. Migraine without aura also referred to as a "common migraine", (previously known as "hemicrania simplex") is a specific neurological disorder characterized by recurrent, throbbing headaches that often affect one side of the head (i.e., it is unilateral), are of at least moderate intensity, and may cause nausea, phonophobia or photophobia. One defining characteristic of the common migraine is a lack of the visual disturbances known as an aura. The exact International Classification of Headache
The Amity Affliction Chart at number 26. It is the first album to feature Chris Burt's brother Ryan Burt on drums. The album features guest vocals from Michael Crafter of I Killed the Prom Queen/Confession, Matthew Wright of The Getaway Plan, JJ Peters of I Killed the Prom Queen/Deez Nuts/Grips 'N' Tonic, Helmet Roberts and Lochlan Watt (Nuclear Summer). A music video was released for the song Fruity Lexia. The Amity Affliction played numerous shows across Sydney, Melbourne, Brisbane, Adelaide and Perth. During May 2009, they supported The Getaway Plan along with Perth band Elora Danan, on the Getaway Plan's national Finale Tour.