psych106-12

psych106-12 - Exam #2, Feb 23 rd : Lectures 9 - 13 REVIEW...

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Unformatted text preview: Exam #2, Feb 23 rd : Lectures 9 - 13 REVIEW SESSION FOR EXAM #2: Time: 7 pm Day: Wed, Feb 22nd Place: Pepper Canyon Hall Lecture 12 (Feb 16 th ): AUDITION Lecture Outline 1) Sound (and its similarities to light and vision ) 2) The Ear 3) The Basilar Membrane as a Frequency Analyzer 4) Auditory Space Perception AUDITION / HEARING Physical vibration of an object that produces local changes in air pressure (force/area), in the form of changes in the concentration of air molecules What is Sound? Sound is a mechanical phenomenon (Light is an electromagnetic phenomenon) Both light and sound are composed of wavelengths ( ) (Spectral) LIGHT: ( nm/cycle, i.e., distance of one cycle) (e.g., 580 nm, yellow) (Pure Tone) SOUND: frequency = # /sec ( i.e., #cycles/sec, or Hz ) (e.g., 100 Hz) Note: Although light is usually described in the space domain, it is sometimes described in the time domain (i.e., frequency), which requires knowing the speed of light....
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psych106-12 - Exam #2, Feb 23 rd : Lectures 9 - 13 REVIEW...

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