AP Psychology Key Names Review Key Names Sheet Historical Figures: Plato (428-347 BC) Nature Innate Ideas Brain ? source of mental processes Aristotle (335 BC) Nurture Everything in mind is first experienced thru senses. Heart ? source of mental processes Galen (129-199 AD) 4 fluids; balance between fluids healthy and good mental processing 1st to look @ physiology in how the brain works (Now: hormones/neurotransmitters) Galileo (1564-1642) Mechanism ? universe is a reliable machine Descartes (1596-1650) Dualism Mind is distinct from body Innate ideas (Nature) Locke (1632-1704) Nurture ? ideas come from experiences Tabula Rosa Blank slate; mind at birth Gestaltists (~1880-1950s) The whole of consciousness is different than the sum of its parts