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4 th Grade Hearing Lesson 3 Hearing Impairments

4 th Grade Hearing Lesson 3 Hearing Impairments. Lets Read our Student Issues, Page 6 “Supersonic Ears”. The special sense of hearing that bats use is called echolocation

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4 th Grade Hearing Lesson 3 Hearing Impairments

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  1. 4th Grade Hearing Lesson 3Hearing Impairments

  2. Lets Read our Student Issues, Page 6“Supersonic Ears”

  3. The special sense of hearing that bats use is called echolocation • Dolphins and whales also use echolocation, but the sounds they make are much lower than the high-pitched sounds that bats make • Sea lions and seals are two other mammals that use echolocation

  4. Have you ever seen a dolphin in an aquarium or a show that had its eyes covered and yet could still find an object in the water? • The dolphin was using its sense of echolocation do this! • Of course, humans do not have the ability to use echolocation to hear, but our hearing is still very important to us. • In fact – many states (including New Jersey) require students to have regular hearing tests

  5. Suppose a small child is entering kindergarten. He has a hearing problem, or what we call a “hearing impairment,” but no one has yet discovered it. What problems might he have because of his hearing impairment? • Feel left out because he can’t hear conversations • Feel shy or insecure because of his problem • Feel stupid when the problem is that he simply can’t hear what the teacher is saying • Not learning as many new words as others in the class • Have problems making friends at school

  6. All hearing impairments are not the same. Some people with a hearing problem can hear more than others. Hearing problems can be caused by many different things. • Some people are only hearing impaired in one ear. • Some people hear sounds, but are unable to make sense of them. For example, the sounds might be like static that you hear on your radio. • Some people are born with a hearing impairment. Some acquire a hearing impairment from an injury or a disease. • Some people are deaf, having no hearing at all. • Some people's hearing becomes gradually worse as they get older.

  7. Different kinds of hearing loss

  8. There are three different kinds of hearing loss. Let’s work together to name those hearing losses, their causes, and their treatment.

  9. Let’s see how we did…

  10. People with normal hearing communicate with each other by speaking, listening, and watching each other’s facial expressions and body movements. • Do you know of any special ways in which people with learning impairments communicate with others? • Reading lips • Sign Language

  11. Sign Language • There are different kinds of sign language • In American Sign Language – ASL – a person uses gestures to express ideas, rather than specific words. • Words and names that can not be expressed in ASL are often spelled out using the American manual alphabet, or the finger alphabet. • In this alphabet, finger positions stand for letters of the alphabet

  12. Can you use American Sign Language to Spell Your Name?

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