n. the bony fluid-filled part of the inner ear that is concerned with hearing. Shaped like a snail shell, it forms part of the bony labyrinth.
What is an example of cochlea in psychology?
The cochlea is the sense organ that translates sound into nerve impulses to be sent to the brain. Each person has two cochlea, one for each ear. … For example, it’s the cochleas which the brain tells to ignore certain sounds which the brain has determined to be “background noise”.
What is cochlear implant in psychology?
A Cochlear Implant is a small electronic device surgically implanted in and behind the ear to help deaf people hear. … The electrodes receive signals from the external parts of the device and send these signals to the auditory nerve.
What does cochlea mean in science?
Definition of cochlea
: a hollow tube in the inner ear of higher vertebrates that is usually coiled like a snail shell and contains the sensory organ of hearing — see ear illustration. Other Words from cochlea Example Sentences Learn More About cochlea.
What does auditory nerve mean in psychology?
Definition of auditory nerve
: either of the eighth pair of cranial nerves connecting the inner ear with the brain and transmitting impulses concerned with hearing and balance — see ear illustration.
What is the function of cochlea?
This action is passed onto the cochlea, a fluid-filled snail-like structure that contains the organ of Corti, the organ for hearing. It consists of tiny hair cells that line the cochlea. These cells translate vibrations into electrical impulses that are carried to the brain by sensory nerves.
What are ear ossicles name them?
The middle ear consists of the tympanic membrane and the bony ossicles called the malleus, incus, and stapes. These three ossicles connect the tympanic membrane to the inner ear allowing for the transmission of sound waves.
What does the cochlea contain?
Structure of the cochlea. The cochlea contains the sensory organ of hearing. It bears a striking resemblance to the shell of a snail and in fact takes its name from the Greek word for this object. The cochlea is a spiral tube that is coiled two and one-half turns around a hollow central pillar, the modiolus.
How do you explain a cochlear implant to a child?
A cochlear implant is a device implanted into the inner ear to directly stimulate the hearing nerve. Cochlear implants may be needed when hearing aids no longer work for a child. Placing a cochlear implant requires an outpatient surgery and your child will need to “learn” how to use the device.
Is cochlea part of nervous system?
The cochlear nerve (also auditory nerve or acoustic nerve) is one of two parts of the vestibulocochlear nerve, a cranial nerve present in amniotes, the other part being the vestibular nerve. The cochlear nerve carries auditory sensory information from the cochlea of the inner ear directly to the brain.
What does cochlea mean in Greek?
It is also known as the organ of hearing. The cochlea is a small conical structure resembling a snail shell. The word “cochlea” is a Latin word derived from the Greek “kokhlos” designating the land snail.
Where are the cochlea?
While the cochlea is technically a bone it plays a vital role in the function of hearing rather than simply being another component of the skeletal system. It is located within the inner ear and is often described as hollow and snail- or spiral-shaped.
What is another word for cochlea?
internal ear, labyrinth, inner ear.
What is another name for the auditory nerve?
vestibulocochlear nerve, also called Auditory Nerve, Acoustic Nerve, or Eighth Cranial Nerve, nerve in the human ear, serving the organs of equilibrium and of hearing.
What does auditory cortex mean?
Auditory cortex: The part of the brain that is concerned with hearing. The auditory cortex is the temporal lobe, which the lower lobe of the cerebral hemisphere just forward of the occipital lobe.
What is your inner ear called?
inner ear, also called labyrinth of the ear, part of the ear that contains organs of the senses of hearing and equilibrium. The bony labyrinth, a cavity in the temporal bone, is divided into three sections: the vestibule, the semicircular canals, and the cochlea.