Abstract
IN "THE FUNCTION OF CONSCIOUSNESS ON MATTER", "CHINESE STUDIES IN PHILOSOPHY" 12 (1981) PAGES 38-54, YU CLAIMS THAT IN ORDER TO UNDERSTAND HOW CONSCIOUSNESS CAN AFFECT THE PHYSICAL WORLD, TWO CATEGORIES OF MATTER MUST BE DISTINGUISHED. I ARGUE THAT YU'S DISTINCTION HAS NO EXPLANATORY FORCE AND, MOREOVER, IS AT ODDS WITH HIS MATERIALIST ASSUMPTIONS. I THEN SUGGEST OTHER STRATEGIES.