A speech disorder is a condition in a person who has difficulty forming sentences, creating logical words to communicate with other people.
Speech and language disorders are having a high rate of incidence of mental health. It is commonly seen in schizophrenia, psychosis, mood disorder, dementia disorder. So there is a necessity to develop Speech, language, and communication skills.
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Causes speech and language disorder
A language disorder is an impairment or difficulty in comprehends or use spoken words, written symbol system.
Language disorders are developmental. It may start in early childhood and continue into adulthood.
Language disorders may be characterized by
- Difficulties in assign meaning to words (vocabulary),
- Difficulties in organizing words into sentences.
- Difficulties in alter word forms to indicate tense, phrases, and plurality,
- Difficulties in producing speech sound comprising the words of the language.
Types of Language Disorders:
Language expression disorder:
People have a problem understanding their message when talking and inability to put words together into sentences and make sense.
Language sensory disorder:
People have a problem getting the meaning of what other people are speaking and difficulties in responding to others.
Mixed expression and receptive language disorder:
People having a problem with expression and language disorder.
Speech is the oral production of language, including articulation of sounds, rhythm, and tone.
A speech disorder is defined as an impairment of the articulation of sounds, voice, and fluency.
Causes of speech disorder:
- Low intelligence.
- Poor hearing/loss of hearing.
- Birth injuries
- Diseases or other disturbances that affect CNS.
- Prolonged illness
- Environmental Influences:
- Lack of speech stimulation.
- Lack of motivation for learning to talk.
- Negativism or emotional conflict.
- Poor model of Speech to imitate.
- Multilingualism – Exposure to more than one language during
- Speech learning period.
Classification of speech disorder
Voice disorder can arise from a structural problem in the respiratory tract or oral cavity or alter the pitch.
In the lower respiratory tract, an inability for adequate thoracic activity can cause a voice disorder.
A disabled child without proper muscular support may not adequately move air out of the lungs to produce sounds.
Causes Voice Disorders:
- Surgically correctable lesions that restrict airflow and movement of the vocal cords. (tracheal walls are weak and collapse).
- Narrowing of subglottic space.
- Abnormal larynx can cause restriction of vocal cord movement,
- Damaged or paralyzed cords due to congenital, traumatic, and pathologic lesions.
- Hormonal changes or psychological problems also can cause pitch disorder.
- Some pitch disorders correct themselves-for example, a young man’s voice cracks during puberty.
Articulation, which is the clear and correct pronunciation of a word, continues to develop until the child reaches 8-9 yrs old.
Baby talk, which includes omissions of letters, distortions, is gradually replaced with correct pronunciation if the infant has a good adult model in the future.
Causes of articulation disorder:
- Cleft Palate – Air escapes upward through the palate, causing hypernasality or talking through the nose.
- Maxillary malformation in the oral cavity
- Lymphoid hyperplasia – This is almost always corrected when the adenoids or tonsils are removed.
- Unclear speech due to weakness of muscles.
- Mental Retardation.
- When no structural or neurology reason can be found. This condition is Known as delayed Speech.
A fluency disorder is an abnormal Speech flow with impaired rate, rhythm, and tone of Speech.
Causes of Fluency disorder
Problems in language and speech development
Six months – Does not turn eyes and head in response to sound coming from the side or behind.
Ten months – child not making any response to name.
15 months – Does not respond to or understand “no, no” or “Bye-bye”.
Eighteen months – Does not have vocabulary up to 10 words.
Twenty-one months: Does not respond to the direction (i.e., come to me, sit down).
Twenty-four months: Does not use two-word phrases. Does not point to a body part on request.
30 months – Has Speech that is not intelligible to any family
Thirty-six months – Has not started to ask simple questions. Uses no simple sentences.
Forty-two months – Consistently fails to produce final consonant(sound).
After seven years – Has any speech sound errors.
At any age – Has noticeable hyper nasality (too much sound or vibration in the nasal cavity).
Physical workout and muscle strengthening that produces speech sound.
Oral motor therapy
Focuses on improving muscle strength, motor control, and breathe control. Also, help people develop fluency and Speech that sound more natural and smoother.
Involves saying word pairs that contain one or more different types of speech sound.
Word pair might be; “beat” and feet, “lazy” and “crazy.”
Also read: All About Conversion Disorder
This includes a particular speech pattern. Involve a person by practicing specific sounds or words to familiarize.
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