Mesoamerican Long Count calendar 18. Thus 0.0.1.0.0 does not represent 400 days, but rather only 360 days and 0.0.0.17.19 represents 359 days. The name "b'ak'tun" was invented by modern scholars. The numbered Long Count was no longer in use by the time the Spanish arrived in the Yucatán Peninsula, although unnumbered k'atuns and tuns were still in use. Instead the Maya were using an abbreviated Short Count. Long Count dates are written with Mesoamerican numerals, as shown on this table. A dot represents "1" while a bar equals "5". The shell glyph was used to represent the zero concept. The Long Count calendar required
Fixation (psychology) a normal childhood stage; while other post-Freudians explored the role of fixation in aggression and criminality. Fixation (psychology) "Fixation" () is a concept (in human psychology) that was originated by Sigmund Freud (1905) to denote the persistence of anachronistic sexual traits. The term subsequently came to denote object relationships with attachments to people or things in general persisting from childhood into adult life. In "Three Essays on the Theory of Sexuality" (1905), Freud distinguished the fixations of the libido on an incestuous object from a fixation upon a specific, partial "aim", such as voyeurism. Freud theorized that some humans may