Footfalls above "we would see the tracing on the stage floor of a tremendously elongated variation of the figures 8 turned on its side … the mathematical symbol for infinity." Beckett was also indebted to the French psychologist Pierre Janet for his conception of hysterical behaviour. In his overview of Janet's work, Robert Woodworth in his "Contemporary Schools of Psychology", a work Beckett read, pays particular attention to Janet's description of the "hysterical paralysis of one arm", which Beckett incorporated, into May's posture. There are a number of analogies between "Footfalls" and Janet's work with a patient called Irène: He lists
Infinity on High ten. In its 31st chart week it broke into the top ten again where it remained for another six weeks in a row, accumulating a total of thirteen weeks in the top ten. The CD was certified Double Platinum by the Australian Recording Industry Association (ARIA), denoting shipments of 140,000 copies. "Infinity on High" debuted at number one in New Zealand, and remained at the top position for six consecutive weeks, logging a total of thirty-seven chart weeks, making it the fifth longest chart sitter on the New Zealand charts in 2007. After marking its first twelve weeks in the