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Biology 201 Dr. Edwin DeMont

Biology 201 Dr. Edwin DeMont. Chapter 24 Communication I: Nervous and Sensory Systems Part 2. St. Francis Xavier University. Sensory Reception. The human ear. Inner ear includes the semicircular canal , which is involved in equilibrium and the cochlea , which is involved in hearing.

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Biology 201 Dr. Edwin DeMont

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  1. Biology 201Dr. Edwin DeMont Chapter 24 Communication I: Nervous and Sensory Systems Part 2 St. Francis Xavier University

  2. Sensory Reception The human ear Inner ear includes the semicircular canal, which is involved in equilibrium and the cochlea, which is involved in hearing. Biology 403 – Physiology of Sensations (Dr. Beye) St. Francis Xavier University

  3. Sensory Reception The sense of equilibrium Cilia of receptor hairs bend and initiates a generator potential St. Francis Xavier University

  4. Sensory Reception 1. Sound waves enter the mouth The fish inner ear 2. Transmitted to gas in the swim bladder 3. Vibrates at corresponding amplitudes and frequencies as the incoming sound 4. Weberian ossicles vibrate 5. Vibrations move forward to inner ear 6. Response initiated – example fast start St. Francis Xavier University

  5. Sensory Reception Demonstration of a fast start in a fish My computerapps on ‘caesar’ (S:)BiomechanicsPrograms FastStartSelect Image Series Accept Settings Step > St. Francis Xavier University

  6. Neural Network Fast start in fish: Mauthner Cells Image source St. Francis Xavier University

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