Fear of needles to the phobic imagining the procedure being performed on themselves. Recent neuroscience research shows that feeling a pin prick sensation and watching someone else's hand get pricked by a pin activate the same part of the brain. Fear of needles, especially in its more severe forms, is often comorbid with other phobias and psychological ailments; for example, iatrophobia, or an irrational fear of doctors, is often seen in needle phobic patients. A needle phobic patient does not need to physically be in a doctor's office to experience panic attacks or anxiety brought on by needle phobia. There are many triggers
Irrational Man and early 60s". The theologian John Macquarrie, writing in "Existentialism" (1972), described "Irrational Man" as one of the most useful books about existentialism. The Objectivist philosopher Leonard Peikoff, writing in "The Ominous Parallels" (1982), presented "Irrational Man" as an example of a prominent philosopher endorsing irrationality, citing Barrett's comments about Dada. The philosopher Jon Stewart, writing in his anthology "The Hegel Myths and Legends" (1996), accused Barrett of caricaturing, and propagating myths about, Hegel. Stewart deemed Barrett guilty of misrepresenting Hegel as a "cosmic rationalist" who, like Friedrich Wilhelm Joseph Schelling and some romantics, believed in a metaphysical world soul.