This work describes a standard method to assess tactile sensation at the midline of the tongue tip. Using Von Frey Hair (VFH) monofilaments, this protocol provides estimates of detection and discrimination threshold estimates for oral point pressure (OPP).
Etter, N. M., Breen, S. P., Alcala, M. I. M., Ziegler, G. R., Hayes, J. E. Assessment of Midline Lingual Point-Pressure Somatosensation Using Von Frey Hair Monofilaments. J. Vis. Exp. (156), e60656, doi:10.3791/60656 (2020).