1888. Mercier was both a psychologist and a medical doctor. He regarded psychology as the science of mental phenomena, rather than the science of individual human behavior. Contents Part I. Functions of the Nervous System: The Nervous Discharge; The Nervous Resistance; Muscular Actions, their Coordination and Inhibition; Movements; Coordination of Movements; and The Nervous Mechanism of Coordination and Inhibition. Contents Part II. Functions of the Nervous System: Conduct; and The Nervous Mechanism of Conduct. Contents Part III. Mind: The Constitution of Mind; Thought; Feeling; and Classification of Feelings. See other titles by this author available from Kessinger Publishing.