LBJ: The Early Years is told under no uncertain terms that a committee spot on the Foreign Relations Committee in the Senate would be his if he stayed for a crucial labor vote. This meeting proved important as time moves forward to 1959, when Kennedy is one of the candidates for nomination in the Presidential campaign for the Democratic Party. A visit by JFK's brother Robert Kennedy to Texas is arranged as father Joseph Kennedy, who along with his sons, wish to know if LBJ is running for President or not. Johnson refers to Robert Kennedy as a "Harvard man" in a derisive tone
Referred pain of referred pain, threshold differences for stimulating local and referred pain, and somatosensory sensibility changes in the area of referred pain. Hyperexcitability hypothesizes that referred pain has no central mechanism. However, it does say that there is one central characteristic that predominates. Experiments involving noxious stimuli and recordings from the dorsal horn of animals revealed that referred pain sensations began minutes after muscle stimulation. Pain was felt in a receptive field that was some distance away from the original receptive field. According to hyperexcitability, new receptive fields are created as a result of the opening of latent convergent afferent fibers