Mesoamerican ballgame many Caribbean islands including Cuba, Puerto Rico, and the West Indies, has been proposed as a descendent of the Mesoamerican ballgame, perhaps through the Maya. Mesoamerican ballgame The Mesoamerican ballgame was a sport with ritual associations played since 1400 BC by the pre-Columbian people of Ancient Mesoamerica. The sport had different versions in different places during the millennia, and a newer more modern version of the game, "ulama", is still played in a few places by the indigenous population. The rules of the game are not known, but judging from its descendant, ulama, they were probably similar to racquetball, where
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