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
Cohasset Common Historic District Cohasset Common Historic District The Cohasset Common Historic District is a historic district encompassing the historic town center of Cohasset, Massachusetts. It is centered on the town common, which is bounded by Highland Ave., N. Main St., William B. Long, Jr., Rd. and Robert E. Jason Road. The district was added in 1996 to the National Register of Historic Places. Cohasset Common is located in northeastern Cohassetwas laid out as common land at the earliest division of lands in what is now Cohasset (but was then part of Hingham) in 1670. Main Street, its southwestern bound, was formally demarcated as