Articles

  • Test

    Caloric stimulation

    Caloric stimulation is a test that uses differences in temperature to diagnose damage to the acoustic nerve. This is the nerve that is involved in hearing and balance. The test also checks for damage to the brain stem.

  • Disease

    Childhood disintegrative disorder

    
Motormental disability in children is generally related to significant central nervous system damage or abnormality. It refers both to lack of intellectual development and motor development. There can be various degrees of intellectual disability, and failure to meet various normal developmental milestones.

    Childhood disintegrative disorder is a condition in which children develop normally through age 3 or 4. Then, over a few months, children lose language, motor, social, and other skills that they already learned.

  • Disease

    Cholesteatoma

    The tympanic membrane is also called the eardrum.  It separates the outer ear from the middle ear.  When soundwaves reach the tympanic membrane they cause it to vibrate.  The vibrations are then transferred to the tiny bones in the middle ear. The middle ear bones then transfer the vibrating signals to the inner ear. The tympanic membrane is made up of a thin connective tissue membrane covered by skin on the outside and mucosa on the internal surface.

    Cholesteatoma is a type of skin located in the middle ear and skull bone (mastoid).

  • Surgery

    Cleft lip and palate repair

    Cleft lip and cleft palate repair is surgery to fix birth defects of the upper lip and palate (roof of the mouth).

  • Special Topic

    Cochlear implant

    Ear anatomy

    A cochlear implant is a small electronic device that helps people hear. It can be used for people who are deaf or very hard of hearing. A cochlear implant is not the same thing as a hearing aid. It is implanted using surgery, and works in a different way. There are many different types of cochlear ...