Not film-related. Psychological measurement device outside cinema scope entirely. No practical application on set or in theory.
Phallometry does not belong in a film lexicon. Period. It is a psychological measurement instrument — developed in clinical contexts to capture involuntary physiological reactions — and has absolutely nothing to do with film production, cinematography, editing, or film theory.
Why does this entry still exist here? Because confusion can arise when encountering the term in databases or during research. Some students or hobby filmmakers dig for terms that vaguely sound like film, or confuse psychology with film studies. Therefore, the clear statement: This is a medical-psychological term. It describes a diagnostic device used in forensic or therapeutic settings — not in the art of filmmaking.
If you are wondering if it is possible for a film to be about phallometry or use it as a plot element — yes, theoretically any film can deal with any topic. But that would not make the term cinematic. It would simply be a feature film whose plot deals with clinical methods. Just as a film about dentistry does not make dentistry a film term.
This lexicon documents cinematic terminology — terms from camera, lighting, editing, production, sound, directing, and film theory. Everything you need on set or in the edit suite. Psychological measurement instruments are not included. If you are looking for a cinematic term and end up here: turn the page.