Intro to Psych, Module 19

Intro to Psych, Module 19 - Hearing: Module 19 How do...

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Hearing: Module 19 How do senses work? Transduction o Waves of energy hit sensory receptors on our bodies (for example in our eyes or ears). Sensory receptors are suited to receive energy waves of particular wavelengths (i.e. the visible light spectrum and the radio wave spectrum). The receptors convert the energy they receive into the chemical/electrical signals that neurons use to communicate. The Number of Senses o 5 basic senses: sight, hearing, taste, touch, smell o Beyond these 5, there is no fully agreed upon answer typically we call it a “sense” if there are specific receptors for it o Other senses: proprioception, pain, temperature, balance, acceleration, etc. o Some animals can sense electrical and magnetic fields and detect water pressure and currents Hearing: the Stimulus o Sound waves are compressing and expanding air molecules o Sound waves have two properties: Intensity (loudness) Frequency (pitch) Intensity (Loudness) o Amount of energy in a wave, determined by the amplitude, relates to the perceived loudness.
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Intro to Psych, Module 19 - Hearing: Module 19 How do...

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