This website has been archived and is no longer updated.

The content featured is no longer current and is being made available to the general public for research and historical information purposes only.

Powerhouse Museum - Home


Cochlear - MAIN

Acoustics: the science of sound

Audiology: the study of the hearing mechanism

capable of being used within the body without adverse effects.

can be used to deliver electricity to the body for stimulation or to receive electricity from it to detect and record signals.

made airtight by fusion or sealing.

process of sealing or fusing and removal of air.

an instrument which is capable of transforming the air-pressure waves of sound into changes in electric currents or voltages.

a chemical substance, given off by the ends or terminals of a nerve cell or fibre affecting the next nerve cell or fibre in the chain, allowing a message to be passed between the cells or fibres.

Otolaryngology (pronounced oh/toe/lair/in/goll/oh/jee) is the the medical and surgical management and treatment of patients with diseases and disorders of the ear, nose, throat (ENT), and related structures of the head and neck.

the science of the ear and its diseases.

the science of speech sounds and their production.

Piezo-electric microphone:
a microphone containing crystals that convert changes in pressure into electricity.

an instrument for measuring direct current electromotive force or potential differences.

an artificial part to replace a defective body part, such as an artificial leg or an eye.

Sensori-neural deafness:
a defect lies in either the cochlea or the transmission of sound signals to the brain once they have left the cochlea. This form of deafness tends to occur with age, and is accelerated by exposure to loud sounds.

Speech processor:
a device which analyses information and converts it into an electrical code.

offer made in writing to provide a service or product at a set cost.

a metallic element.

Transmitting coil:
The coded signal travels via a cable from the speech processor to the transmitting coil in the headset. Radio waves from the transmitter coil carry the coded signal through the skin to the implant inside the ear.

HSC technology syllabses support - HOME space Cochlear implant - MENU