DEGRADATION By N., Pam M.S. - April 7, 2013 1. Neurophysiology. When a neurotransmitter is broken down into inactive metabilites. 2. The result of a declining in value, quality or status. DEGRADATION: "Fresh produce shows degradation when it starts to lose its fresh quality." Related Psychology Terms APLYSIA PRIMARY QUALITY DOPAMINE (DA) EXPECTATION-STATES THEORY STATUS SYMBOL PEER GROUP BRAND NAME DOMINANCE HIERARCHY STATUS OFFENSE RANA PIPIENS Cite this page: N., Pam M.S., "DEGRADATION," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/degradation/ (accessed October 14, 2019).