The MR image is a map of the distribution of the MR signal, and by manipulating the timing of the RF pulses and the delays before detecting the signal MRI is a sensitive tool for detecting subtle changes in brain anatomy. However, mapping brain structure is not the same as mapping brain function.
John Adams was seen and identified as an early leader in the Continental Congress by his peers, and his influence greatly aided the formation of the Declaration of Independence and the cause of separation from Great Britain.
John Adams (July 1, 1825 â November 30, 1864) was an officer in the United States Army. With the onset of the American Civil War, he resigned his commission and joined the Confederate States Army, rising to the rank of brigadier general before being killed in action.