Mesoamerican architecture there is no evidence that this phenomenon was the result of a purposeful design intended to commemorate the equinoxes. Much Mesoamerican architecture is also aligned to roughly 15° east of north. Vincent H Malmstrom has argued that this is because of a general wish to align the pyramids to face the sunset on August 13, which was the beginning date of the Maya Long Count calendar. However, recent research has shown that the earliest orientations marking sunsets on August 13 (and April 30) occur outside of the Maya area. Their purpose must have been to record the dates separated by
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