• The "Occlusion effect
  Occlusion effect
  The occlusion effect occurs when an object fills the outer portion of a person's ear canal, and that person perceives "hollow" or "booming" echo-like sounds of their own voice. It is caused by bone-conducted sound vibrations reverberating off the object filling the ear canal...
  
  ", caused by an object, such as an unvented hearing aid or a plug of ear wax, blocking the ear canal
  Ear canal
  The ear canal , is a tube running from the outer ear to the middle ear. The human ear canal extends from the pinna to the eardrum and is about 35 mm in length and 5 to 10 mm in diameter....
  
   and reflecting sound vibration back towards the eardrum.

• Serious Otitis media
  Otitis media
  Otitis media is inflammation of the middle ear, or a middle ear infection.It occurs in the area between the tympanic membrane and the inner ear, including a duct known as the eustachian tube. It is one of the two categories of ear inflammation that can underlie what is commonly called an earache,...
  
  

• Open or Patulous Eustachian tube
  Patulous Eustachian tube
  Patulous Eustachian tube, also known as patent Eustachian tube, is the name of a rare physical disorder where the Eustachian tube, which is normally closed, instead stays intermittently open. When this occurs, the patient experiences autophony, the hearing of self-generated sounds...
  
  , allowing vocal and/or breathing sounds to be conducted into the middle ear.

• Superior canal dehiscence, which can lead to an abnormally amplified bone conduction of sound into the inner ear. Persons with superior canal dehiscence syndrome
  Superior canal dehiscence syndrome
  Superior canal dehiscence syndrome is a rare medical condition of the inner ear, first described in 1998 by Dr. Lloyd B. Minor of Johns Hopkins University, Baltimore, USA, leading to hearing and balance disorders in those affected....
  
  (SCDS) typically hear not only their own voice but also heartbeat, footsteps, chewing, intestinal sounds and possibly even the sound of their eye movements when reading.

External links

• Autophony and the patulous eustachian tube
• Definition of Autophony
• Painhealth.com - Definition of Autophony
• emedicine Patulous Eustachian Tube
• SCDS with Autophony
• SCDS with Autophony - animation
• "Doctor, I can hear my eyes" - W Albuquerque, A M Bronstein
• ABC News - Health - Musician Who Heard Too Much