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Transcript

MI 1.3.1

Good Vibrations

  • Sue was treated for bacterial meningitis, recovered, and received a clean bill of health
  • Sue’s physician recommended a hearing test with an audiologist

Introduction

  • If a tree falls in a forest and nobody is there to hear it, does it make a sound?

Question!

Intensity is determined by amplitude

Pitch is determined by frequency

  • What is sound?
  • 2 characteristics: pitch and intensity

Part I: The Physics of Sound

Go to 1.3.1 > Part II: Sense of Hearing

  • Complete step 3 & 4 - take notes on structures of outer, middle, and inner ear
  • Build an ear - paper model
  • Complete step 7 - summarize how the ear processes sound -> complete the "Check for Understanding" under step 7

Still Your Turn - The Ear

Sound waves cannot pass through outer or middle ear and are not transmitted to the cochlea.

Caused by damage to the cochlea or auditory nerve. This prevents the brain from being able to perceive the sound.

Conductive

Sensorineural

Types of Hearing Loss

  • Quiz yourself - ear anatomy quiz
  • Answer conclusion questions

Your Turn - Wrap it Up