MeSH annotation : IM GEN or unspecified; AUDITORY THRESHOLD; DIFFERENTIAL THRESHOLD; PAIN THRESHOLD;
SUBLIMINAL STIMULATION & TASTE THRESHOLD are also available; coord NIM with specific
sensory concept (IM), e.g., visual threshold SENSORY THRESHOLD (NIM) VISUAL PERCEPTION
(IM);
Wikipedia link : https://en.wikipedia.org/wiki/Sensory threshold;