Scanning techniques include: 1  Computed Tomography (CT): This scan combines an x-ray-type device with a computer. 2  Magnetic Resonance Imaging (MRI): The MRI scanner is a tunnel-shaped piece of equipment. 3  Flow-Sensitive MRI (FS MRI): This type of combines functional MRI with images of cerebrospinal fluid (CSF) flow.
The Voting Rights Act was signed into law on August 6, 1965, by Lyndon Johnson. Its primary purpose was to enforce the 15th Amendment of the Constitution, which forbade the states and the federal government to deny suffrage to any citizen on account of race, color, or previous condition of servitude.rovisions of the 1965 Voting Rights Act. 1  The key components of the Act were found in sections 4 thru 9. 2  They were temporary provisions, which were renewed and amended in 1970, 1975, and 1982, the last time for a period of twenty-five years. 3  They come up again for congressional consideration in 2007.
Final page of the Voting Rights Act of 1965, signed by President Lyndon B. Johnson, President of the Senate Hubert Humphrey, and Speaker of the House John McCormack. After its enactment in 1965, the law immediately decreased racial discrimination in voting.he legislation that Johnson referred to was the Voting Rights Act of 1965, which was introduced in Congress two days later while civil rights leaders, now under the protection of federal troops, led a march of 25,000 people from Selma to Montgomery.