"emit" and
emittieren are both used in the discourse of behavioral therapy:
Implizit beschreibt dieses Konzept meist auch einen Verhaltensexzess, in dem Sinn, daß Verhalten emittiert wird, das möglicherweise zu Schwierigkeiten für die Person führt. Das Verhalten wird deswegen als impulsiv aufgefaßt, weil eine »vernünftige« Beurteilung normalerweise das Verhalten verhindert hätte.
(J. Margraf, Lehrbuch der Verhaltenstherapie [2005], Bd. 2)
To guarantee stimulus control and ensure that infants and small children are demonstrating a newly learned behaviour through observation of a model as opposed to emitting a behaviour elicited by the stimuli themselves or based on previous experience prior to participation in an experiment, target actions are designed to ...
I'm not particularly familiar with the material, but there may be a difference between emitting a behavior, which seems to be more on the conditioned spectrum, and performing one, which would be more deliberate, although in your example belief plays a role, which would seem to put it more in the latter category.
Ideally you should do a bit more online research with the term "emit behavior." See, e.g.:
13.02.2016 - The concept of emitted behavior was formulated as a part of the original argument for the validity of a new kind of learning called operant conditioning. The rationale for operant conditioning contrasted it with Pavlovian or classical conditioning, which was (and remains) fundamentally based on responses to ...
