Sensation _ Perception - lecture 1 - introduction, philosophical background

Sensation _ Perception - lecture 1 - introduction, philosophical background

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Lecture 1
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Sakai Site https://sakai.rutgers.edu/portal Log in with RU Net ID and password. Course = “PSYC 301: Sensation and Perception: Summer 2011” Syllabus is posted in the resources section. Lectures will also be posted in the resources section.
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Can We Trust Our Senses? “Seeing is believing.” – Classic saying. “What can give us surer knowledge than our senses? With what else can we distinguish true from false?” – Lucretius. Eye-witness testimony.
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The philosophical position that perception is an immediate godlike knowledge of external reality has been championed not only by popular sentiment but also by philosophers of immense stature. Can We Trust Our Senses?
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Zeno’s Paradox Can we ever truly trust our senses? Can We Trust Our Senses?
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Ptolemaic System Kepler All mathematical deductions must be verified by empirical observation. Can We Trust Our Senses?
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Galileo Objective vs. Subjective Reality Primary & Secondary Qualities - Shape - Size - Position - Motion or Rest - Color - Sound - Temperature - Smell - Taste Can We Trust Our Senses?
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Empiricism Emphasis on a passive mind , everything results from sensory experience. Locke Mind as “Tabula Rosa” (clean slate). Outside objects & internal operations.
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David Hume Due to the use of observation, all sciences are dependent on the five senses. “Real” Science Psychology Psychology All Science
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David Hume Hume searched for the “gravity of mind” what pulls our ideas and impressions together?
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David Hume Laws of Association Resemblance Contiguity Cause & Effect
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David Hume Can we truly observe cause and effect? Can we distinguish it from contiguity? Generalizations are invalid … events may not always hold in the future.
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Humans engage in cause & effect reasoning due to psychological habit . Psychology
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Sensation _ Perception - lecture 1 - introduction, philosophical background

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