Between 1838 and 1840, the American Anti-Slavery Society split in three, in part over the issue of women's leadership, specifically Abby Kelley's appointment to the business committee. Radical abolitionists and women's rights supporters, known as Garrisonian abolitionists, remained in the American Anti-Slavery Society.
In 1964, research by Grey Walter and colleagues began the modern era of ERP component discoveries when they reported the first cognitive ERP component, called the contingent negative variation (CNV). Sutton, Braren, and Zubin (1965) made another advancement with the discovery of the P3 component.
Not to be confused with Independent (voter) , Independent (politician) , America's Party (political party) , or Independent American Party. The American Independent Party (AIP) is a far right political party of the United States that was established in 1967 by Bill Shearer and his wife, Eileen Shearer of California.