EQUIPMENT AND MATERIALS IN SPECIAL EDUCATION

1

EQUIPMENT AND MATERIALS IN SPECIAL EDUCATION

  1. AUDIOMETER

Audiometer is an instrument used to measure one’s level of hearing threshold. The normal human ear can hear between ή 10dB. When the hearing threshold is above 70dB, it means one is deaf. The instrument is an electronic device that generates sounds at different levels of intensity and frequency. The intensity is measured in decibels (dB) while the frequency is measured in Hertz (Hz). EQUIPMENT AND MATERIALS IN SPECIAL EDUCATION

  1. SPEECH TRAINING UNIT (STU)

It is an electronic instrument that helps the hearing – impaired individual to learn speech sounds. The (STU) has an in – built battery, on and off switch, AVU meter headset, microphone and indicator light. The speech teacher or speech therapist can use this instrument to teach speech to the hearing impaired child. The STU amplifies the speech sounds to a level that will enable the hearing impaired child hear and imitate.

  1. HEARING AIDS

Hearing aid is basically a miniature public address system. When sound strikes the microphone, they are amplified and transmitted to a miniature loudspeaker or receiver. This enables the hearing impaired individual to hear the sounds from the environment. The common hearing aids have body-worn hearing aid, some are built into eyeglasses or worn behind the car or worn completely in the ear. The hearing impaired must first be assessed by an audiologist.

EQUIPMENT AND MATERIALS IN SPECIAL EDUCATION

  1. SNELLEN CHART

The snellen chart is the most commonly used chart for the measurement of distance and central acuity. A visual acuity of 20/200 indicates that a child sees at 20ft the line which should be read by a normally seeing eye at a distance of 200ft.

  1. BRAILLE

The Braille is a writing system used by the blind to communicate. It is a system of embossed signs which are formed by using a combination of six dots, arranged and numbered. Through the combination of these six dots, letters of the alphabet and words as well as numbers and math signs are written.

EQUIPMENT AND MATERIALS IN SPECIAL EDUCATION

  1. STYLUS/SLATE

The slate is used for writing Braille especially when the Braille typewriter is not available. It consists of two metal or plastic plates hinged together to permit a sheet of paper to be inserted between the two plates. The stylus is a pointed material used for making Braille impressions.

EQUIPMENT AND MATERIALS IN SPECIAL EDUCATION

EQUIPMENT AND MATERIALS IN SPECIAL EDUCATION

  1. OTOSCOPE

Otoscope is a flashlight with a funnel like end designed for visualizing the ear drum. It is used by audiologists when they want to examine one’s ear drum.

  1. TAPE RECORDERS

Tape recorders are used by the visually impaired students to record lectures and other information. Books are also read and recorded on tapes for the blind to play back.

EQUIPMENT AND MATERIALS IN SPECIAL EDUCATION

 

LEAVE A REPLY

Please enter your comment!
Please enter your name here