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Why Can't Humans Hear Dog Whistles?

Published on Dec 12, 2015

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PRESENTATION OUTLINE

WHY CAN'T HUMANS HEAR DOG WHISTLES?

SENSORY RECEPTORS - HEARING

HOW HEARING WORKS

Vocabulary
•Cochlea- Snail shaped captivity contsining fluid inside the ear.
•Ossicles- Tiny chain of bones inside the ear.
•Pinna- The upper outer cartilage on the outside of your ear.

FOUR TYPES OF HEARING

  • Symbolic Level- Understanding Speech
  • Asthetic Level- Appreciating Joyful Sounds
  • Warning Level- Alarming/ Alerting Sounds
  • Primitive Level- Background Noise

Now, back to the original question, why can't humans hear dog whistles?

Hz- Hertz- A measure of hearing frequency, or hearing cycles per-second

High Frequency Example- Whistle
Low Frequency Example- Bass Drum

So, Why Can't Humans Hear Dog Whistles?
The answer...humans just simply don't have the ability to hear frequencies as high as a dog whistle.

WORKS CITED

  • The Cochlea of the Inner Ear. The Cochlea. N.p., n.d. Web. 21 May 2015. .
  • “Dog Whistle.” Wikipedia. Wikipedia, n.d. Web. 22 May 2015. .
  • “The Ear.” Hearing Link. Hearing Link, n.d. Web. 21 May 2015. .
  • What is the highest frequency humans can here? UCSB Science Line. UoC, 2015. Web. 22 May 2015. .