Abnormal cerebral morphology Abnormal cerebral cortex morphology HP:0002538 Any structural abnormality of the cerebral cortex. UMLS:C4025701 The cerebral cortex constitutes more than half the volume of the human brain and is presumed to be responsible for the neuronal computations underlying complex phenomena, such as perception, thought, language, attention, episodic memory and voluntary movement. Abnormality of the cerebral cortex