Biogenic field
A biogenic field was an energy field composed of biological energy. Such a field had the ability to render an individual unconscious. 

In 2372, the crew of the  encountered the Bothans, a species whose starships emitted a biogenic field that had psionic properties capable of inducing hallucinations in organic lifeforms. ()

Upon visiting the Nechani homeworld in 2373, the crew of the Voyager discovered that the Nechisti shrine emitted a powerful biogenic field. Fortunately for the Nechisti Order s living there, it also contained traces of iridium ions which offered some protection against the field. ()

Species 8472 was found to emit a natural biogenic field around their bodies, capable of shielding themselves from sensors. ()

Energy