noun. a type of cognitive retardation correlated with asymmetrical physical growth and frequently characterized by an irregularly small brain, nervous-system abnormalities, and a lesser resistance to illness. Commonly referred to as oligocephaly.

OLIGOENCEPHALY: "The patient appears to be suffering from oligoencephaly."
Cite this page: N., Pam M.S., "OLIGOENCEPHALY," in PsychologyDictionary.org, April 7, 2013, https://psychologydictionary.org/oligoencephaly/ (accessed September 26, 2021).