APASTIA By N., Sam M.S. - 1 n. refers to fasting or complete abstinence from food. Compare aphagia. APASTIA: "A person with apastia does not eat food." Related Psychology Terms HUNGER DRIVE PICA Piaget’s Theory of Cognitive Development Developing a Case Study REINFORCEMENT (Reward and Punishment) APHAGIA SENILE PSYCHOSIS (PARANOID TYPE) JUNG, CARL GUSTAV (1875-1961) Counselor's Role in Emergency Teams Evaluation of a Quantitative Study Cite this page: N., Sam M.S., "APASTIA," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/apastia/ (accessed November 28, 2021).