Glossary P
Glossary P
Pyramidal motor system the system that originates in the cerebral cortex and controls voluntary movement.
Pyromania refers to an Impulse-Control Disorder involving the persistent, compelling and irresistible urge to start or to set fires. It is also defined as a pattern of deliberate setting of fires for pleasure or satisfaction derived from the relief of tension experienced before the fire-setting.
Pyrrho of Elis (ca. 360 - 270 B.C.) was the founder of Skepticism.