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.
A writer and propagandist, Samuel Adams championed the American Revolution in Boston and chaired the meeting that led to the Boston Tea Party. Along with his cousin, John Adams, Samuel Adams is one of the best-known Boston patriots. Samuel Adams was perhaps the fieriest supporter of American liberty in the 13 colonies.