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DID YOU HEAR THAT?

DID YOU HEAR THAT?. Auditory Process: Perceiving Pitch. Frequency Theory: Measures neural impulses travelling the auditory nerve. Place Theory: Links the pitch we hear with the place that is stimulated in the cochlea. DID YOU HEAR THAT? Volunteer Time!!. Auditory Localization.

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DID YOU HEAR THAT?

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  1. DID YOU HEAR THAT?

  2. Auditory Process: Perceiving Pitch Frequency Theory: Measures neural impulses travelling the auditory nerve. Place Theory: Links the pitch we hear with the place that is stimulated in the cochlea

  3. DID YOU HEAR THAT?Volunteer Time!!

  4. Auditory Localization • The brain calculates a sound’s location by using these differences. • Timing (.000027sec. Diff) • Sound travels @ 750 mph • Sound Waves • Loudness (amplitude) • Pitch (frequency) • Long waves; low frequency/low pitch • Short waves; high frequency/high pitch

  5. Taste Buds • Photograph of tongue surface (top), magnified 75 times. • 10,000 taste buds line the tongue and mouth. • Taste receptors are down inside the “bud” • Children have more taste buds than adults.

  6. Sensory Integration • Different sensory modalities exist because signals received by the sense organs stimulate different nerve pathways leading to different areas of the brain. • Synesthesia • A condition in which stimulation of one sense also evokes another.

  7. Starburst time!! • Conduct the experiment and answer the following questions with your partner. • What factors influence taste? • What are the 5 basic tastes? • What is sensory interaction? • How do we experience smell? • Use pages 146-150 to help answer the questions.

  8. Different Tastes • Different people have different tastes based on: • Genetics • Culture • Learning • Food attractiveness

  9. Smell: The Sense of Scents • Airborne chemical molecules enter the nose and circulate through the nasal cavity. • Vapors can also enter through the mouth and pass into nasal cavity. • Receptors on the roof of the nasal cavity detect these molecules.

  10. Olfactory System

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