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.
Established in 1990, ECP is a medical claims clearinghouse for more than 10,000 providers nationwide. ECP has helped providers reduce costs, increase productivity, and speed up the collection of receivables from payers and patients. ECP's outstanding, results-oriented customer service helps our clients manage.