Tadoma is a method of communication utilized by deafblind individuals, in which the listener places their

little finger The little finger or pinkie, also known as the baby finger, fifth digit, or pinky finger, is the most ulnar and smallest digit of the human hand, and next to the ring finger. Etymology The word "pinkie" is derived from the Dutch word ''pink' ...

on the speaker's

lip The lips are a horizontal pair of soft appendages attached to the jaws and are the most visible part of the mouth of many animals, including humans. Mammal lips are soft, movable and serve to facilitate the ingestion of food (e.g. sucklin ...

s and their

finger A finger is a prominent digit (anatomy), digit on the forelimbs of most tetrapod vertebrate animals, especially those with prehensile extremities (i.e. hands) such as humans and other primates. Most tetrapods have five digits (dactyly, pentadact ...

s along the

jawline In jawed vertebrates, the mandible (from the Latin ''mandibula'', 'for chewing'), lower jaw, or jawbone is a bone that makes up the lowerand typically more mobilecomponent of the mouth (the upper jaw being known as the maxilla). The jawbone i ...

. The middle three fingers often fall along the speaker's cheeks with the little finger picking up the vibrations of the speaker's

throat In vertebrate anatomy, the throat is the front part of the neck, internally positioned in front of the vertebrae. It contains the Human pharynx, pharynx and larynx. An important section of it is the epiglottis, separating the esophagus from the t ...

. It is sometimes referred to as ''tactile lipreading'', as the listener feels the movement of the lips, the vibrations of the

vocal cords In humans, the vocal cords, also known as vocal folds, are folds of throat tissues that are key in creating sounds through Speech, vocalization. The length of the vocal cords affects the pitch of voice, similar to a violin string. Open when brea ...

, expansion of the cheeks and the warm air produced by nasal phonemes such as 'N' and 'M'. Hand positioning can vary, and it is a sometimes also used by

hard-of-hearing Hearing loss is a partial or total inability to hear. Hearing loss may be present at birth or acquired at any time afterwards. Hearing loss may occur in one or both ears. In children, hearing problems can affect the ability to acquire spok ...

people to supplement their remaining hearing. In some cases, especially if the speaker knows

sign language Sign languages (also known as signed languages) are languages that use the visual-manual modality to convey meaning, instead of spoken words. Sign languages are expressed through manual articulation in combination with #Non-manual elements, no ...

, the deafblind listener may use the Tadoma method with one hand on the speaker's face, and their other hand on the speaker’s signing hand to hear the words. In this way, the two methods reinforce each other, increasing the chances of the listener understanding the speaker. The Tadoma method can also help a deafblind person retain speech skills they may had otherwise. This can, in special cases, allow deafblind people to acquire entirely new words. It is a difficult method to learn and use, and is rarely used nowadays. However, a small number of deafblind people still use the Tadoma method in everyday communication.

History

The Tadoma method was invented by American teacher

Sophie Alcorn Sophia Kindrick Alcorn (August 3, 1883 – November 28, 1967) was an educator who invented the Tadoma method of communication with people who are deaf and blind. She advocated for the rights of people with disabilities and upon retiring from her ...

and developed at the

Perkins School for the Blind Perkins School for the Blind, in Watertown, Massachusetts, was founded in 1829 and is the oldest school for the blind in the United States. It has also been known as the Perkins Institution for the Blind. Perkins manufactures its own Perkins B ...

Massachusetts Massachusetts ( ; ), officially the Commonwealth of Massachusetts, is a U.S. state, state in the New England region of the Northeastern United States. It borders the Atlantic Ocean and the Gulf of Maine to its east, Connecticut and Rhode ...

. It is named after the first two children to whom it was taught: Winthrop "Tad" Chapman and Oma Simpson. It was hoped that the students would learn to speak by trying to reproduce what they felt on the speaker's face and throat while touching their own face.

Helen Keller Helen Adams Keller (June 27, 1880 – June 1, 1968) was an American author, disability rights advocate, political activist and lecturer. Born in West Tuscumbia, Alabama, she lost her sight and her hearing after a bout of illness when ...

was a famous user of the method.

References

External links

{{Nonverbal communication Deafblindness Deaf education Human communication

History

See also

References

External links