contracting of the piloerector muscles, that causes the hairs on the skin's surface to stand upward. Commonly referred to as pilomotor reaction.

PILOMOTOR EFFECT: "The pilomotor effect is a completely normal reaction to muscle contraction beneath the skin where it is occurring."
Cite this page: N., Pam M.S., "PILOMOTOR EFFECT," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/pilomotor-effect/ (accessed September 17, 2021).