10 FUN FACTS ABOUT HEARING

10 fatos curiosos sobre audição - Texto Original, em inglês, da Academia Americana de Audiologia www.audiology.org

1. Fish do not have ears, but they can hear pressure changes through ridges on their body.

 

2. The ear’s malleus, incus and stapes (otherwise known as the hammer, anvil and stirrup) are the smallest

bones in the human body. All three together could fit together on a penny.

3. The ear continues to hear sounds, even while you sleep.

4. Sound travels at the speed of 1,130 feet per second, or 770 miles per hour

5. Dogs can hear much higher frequencies than humans.

6. Ears not only help you hear, but also aid in balance.

7. Snakes hear through the jaw bone and through a traditional inner ear. In essence, snakes have two distinct hearing mechanisms, which helps them hear and catch prey.

8. Sitting in front of the speakers at a rock concert can expose you to 120 decibels, which will begin to damage hearing in only 7 1/2 minutes.

9. Thirty-seven percent of children with only minimal hearing loss fail at least one grade.

10. Male mosquitoes hear with thousands of tiny hairs growing on their antennae.

References

Better Hearing Institute (2008).

from:

 

Sight and Hearing Association (2002).

Month

news/healthissue/archive/hi_0802.asp

Health Issue of The. Retrieved from: http://www.sightandhearing.org/

The Nemours Foundation (2006).

Retrieved from:

jsp?lic=1&article_set=54031&cat_id=20607

Healthy Hearing (2008).

Snakes Hear Ssssssounds?

healthyhearing.com/hearing_library/article_content.

asp?article_id=847

Do Snakes Have Ears? How DoRetrieved from: http://www.

Bess, F.H., Dodd-Murphy, J., & Parker, R.A. (1998).

Children with minimal sensorineural hearing loss:

Prevalence, educational performance, and functional

status. Ear & Hearing, 19(5), 339-354.Your Ears.http://kidshealth.org/PageManager.

BHI Factoids. Retrievedhttp://www.betterhearing.org/research/factoids.cfm