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PSYB51H3 (306)
Chapter 1

chapter one - study guide

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Matthias Niemeier

CHAPTER1 INTRODUCTION EARLY PHILOSOPHY OF PERCEPTION Heraclitus- can never experience the same thing again, not ever the same, even if, perceiver knows Adaptation- a reduction in response caused by prior or continuing stimulation ex odor detection. Ex. if u stare at the male face on the right then look at the mid then it will look like a female. If u stare at the female and then look at the middle then it will look like a male to u Democritius- unlike Plato, he has complete trust in senses, world is made up of atoms that collide without another, believe that sensations are caused by atoms leaving objects and making contact with our sense organs. So our senses are in direct contact with outside world. Mistake: light usually reflected from an object allowing us to see it, no atomic films peeling off of object. Closest is taste and olfaction for theory, chemical sense. According to theory primary qualities tat can be directly perceived ie weight, texture. Secondary qualities that require interaction b atoms from objects and atoms in perceiver Sensation- how info from world is picked up by sense organs and detected by person Sensory transducer- receptor that converts physical energy from the environment into neural activity. From sense organ to the brain Perception- interpretation (mainly retrieved from experience and sensory receptors) of neural signals. NATIVISM AND EMPIRICISM Nativism- idea that mind produces ideas that are not derived from external sources, and that we have abilities that are innate and not learned VS. empiricism (experience). Plato believed mind and body separate, that certain mental ability is innate, as is Rene Descartes dualism- idea that both mind and body exist. He argues that only humans have minds, it not take up space (immaterial mind vs material body), has no substance, separate from body, survives death of body (ie soul), believe all ideas must come from the mind, not trust his senses. Believe that his thinking mind (not experiences) defines and proves his existence. I think, therefore I am. Dualism- idea that both mind and body exist separately, opposite= Monism= idea that mind and matter are formed from, or reducible to, a single ultimate substance or principle of being. So humans and rest of the universe are made up of only one kind of stuff, this www.notesolution.com
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