[Petronski]

I’ll happily defend my use of the term as 1b or 3.

[Brian Kopp DPM]

I’ll happily defend my use of the term as 1b or 3.

OK, you might have a valid point, esp. in regard to b and c under "fixation" as well as 2 and 3 under prepossession:

Main Entry: fix·a·tion

Pronunciation: \fik-ˈsā-shən\

Function: noun

Date: 14th century

: the act, process, or result of fixing, fixating, or becoming fixated: as a : a persistent concentration of libidinal energies upon objects characteristic of psychosexual stages of development preceding the genital stage b : stereotyped behavior (as in response to frustration) c : an obsessive or unhealthy preoccupation or attachment

Main Entry: pre·pos·ses·sion

Pronunciation: \ˌprē-pə-ˈze-shən also -ˈse-\

Function: noun

Date: 1648

1 archaic : prior possession
2 : an attitude, belief, or impression formed beforehand : prejudice
3 : an exclusive concern with one idea or object : preoccupation