FLEXION REFLEX By N., Sam M.S. - 7 the term that describes an abrupt withdrawal of an arm or a leg that is in response to a painful stimulation. Compare extension reflex. FLEXION REFLEX: "Our flexion reflex is a response to pain." Related Psychology Terms PAIN DRIVE REACTION TIME (Response Latency) WITHDRAWAL AVOIDANCE LEARNING ABSOLUTE THRESHOLD SCIATIC NERVE EXTENSION REFLEX MAPLE SUGAR URINE DISEASE ATARACTIC (Atanndc) EPIDEMIC ENCEPHALITIS Cite this page: N., Sam M.S., "FLEXION REFLEX," in PsychologyDictionary.org, May 11, 2013, https://psychologydictionary.org/flexion-reflex/ (accessed May 28, 2022).