Most Common Language Disorders Pdf Files

Most common language disorders pdf files

What are the Different Types of Language Disorders?

That comes out to nearly one in 12 children, and gets even bigger if you factor in adults. Whether rooted in psycho-speech behavioral issues, muscular disorders, or brain damage, nearly all the diagnoses SLPs make fall within just 10 common categories…. The person knows what they want to say — they can even write what they want to say on paper — however the brain is unable to send the correct messages so that speech muscles can articulate what they want to say, even though the speech muscles themselves work just fine.

There are different levels of severity of AOS, ranging from mostly functional, to speech that is incoherent. And right now we know for certain it can be caused by brain damage, such as in an adult who has a stroke. This is called Acquired AOS. However the scientific and medical community has been unable to detect brain damage — or even differences — in children who are born with this disorder, making the causes of Childhood AOS somewhat of a mystery. There is often a correlation present, with close family members suffering from learning or communication disorders, suggesting there may be a genetic link.

Mild cases might be harder to diagnose, especially in children where multiple unknown speech disorders may be present. Symptoms of mild forms of AOS are shared by a range of different speech disorders, and include mispronunciation of words and irregularities in tone, rhythm, or emphasis prosody. Severe cases are more easily diagnosed, with symptoms including inability to articulate words, groping for sound positions, off-target movements that distort sounds, and inconsistency in pronunciation.

Stuttering — Stammering Stuttering, also referred to as stammering, is so common that everyone knows what it sounds like and can easily recognize it.

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Everyone has probably had moments of stuttering at least once in their life. The National Institute on Deafness and Other Communication Disorders estimates that three million Americans stutter, and reports that of the up-topercent of children who do stutter, three-quarters of them will outgrow it. It should not be confused with cluttering. Speech language pathologists are trained to look for all the symptoms of stuttering, especially the non-verbal ones, and that is why an SLP is qualified to make a stuttering diagnosis.

The earliest this fluency disorder can become apparent is when a child is learning to talk. It may also surface later during childhood.

Rarely if ever has it developed in adults, although many adults have kept a stutter from childhood.

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Stuttering only becomes a problem when it has an impact on daily activities, or when it causes concern to parents or the child suffering from it. In some people, a stutter is triggered by certain events like talking on the phone. When people start to avoid specific activities so as not to trigger their stutter, this is a sure sign that the stutter has reached the level of a speech disorder. The causes of stuttering are mostly a mystery. There is a correlation with family history indicating a genetic link.

Another theory is that a stutter is a form of involuntary or semi-voluntary tic. Most studies of stuttering agree there are many factors involved. Because the causes of stuttering are largely unknown the treatments are mostly behavioral.

What is a Language Disorder?

Triggers often precede a stuttering episode, and SLPs can help people recognize and cope with these triggers ahead of time.

Dysarthria Dysarthria is a symptom of nerve or muscle damage. It manifests itself as slurred speech, slowed speech, limited tongue, jaw, or lip movement, abnormal rhythm and pitch when speaking, changes in voice quality, difficulty articulating, labored speech, and other related symptoms.

It is caused by muscle damage, or nerve damage to the muscles involved in the process of speaking such as the diaphragm, lips, tongue, and vocal chords. This can start during development in the womb or shortly after birth as a result of conditions like muscular dystrophy and cerebral palsy. In adults some of the most common causes of dysarthria are stroke, tumors, and MS. Lisping A lay term, lisping can be recognized by anyone and is very common. Speech language pathologists provide an extra level of expertise and can make sure that a lisp is not being confused with another type of disorder such as apraxia, aphasia, impaired development of expressive language, or a speech impediment caused by hearing loss.

SLPs are also important in distinguishing between the five different types of lisps.

Stuttering – Stammering

It is caused by the tongue reaching past or touching the front teeth. Because lisps are functional speech disorders, SLPs can play a huge role in correcting these with results often being a complete elimination of the lisp. Treatment is particularly effective when implemented early, although adults can also benefit.

Most common language disorders pdf files

SLP intervention is recommended as soon as possible for all other types of lisps. Treatment includes pronunciation and annunciation coaching, re-teaching how a sound or word is supposed to be pronounced, practice in front of a mirror, and speech-muscle strengthening that can be as simple as drinking out of a straw.

Lisps usually develop during childhood, and children will often outgrow an interdental or dentalised lisp on their own. It is characterized by a spasming of the vocal chords when a person attempts to speak and results in a voice that can be described as shaky, hoarse, groaning, tight, or jittery. It can cause the emphasis of speech to vary considerably.

SLPs will most often encounter this disorder in adults, with the first symptoms usually occurring between the ages of 30 and It can be caused by a range of things mostly related to aging, such as nervous system changes and muscle tone disorders.

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After diagnosis SLPs can have a role helping with coaching to optimize voice production, and can be particularly effective in mild cases of SD. This especially includes working on breathing control techniques to maintain a stead flow of air from the lungs.

Most common language disorders pdf files

You might have heard a similar lay diagnosis for cluttering. This is an indication of how common this disorder is as well as how crucial SLPs are in making a proper diagnosis.

Most common language disorders pdf files

The first symptoms of this disorder appear in childhood. Like other fluency disorders, SLPs can have a huge impact on improving or eliminating cluttering.

Intervention is most effective early on in life, however adults can also benefit from working with an SLP. Muteness — Selective Mutism There are different kinds of mutism, and here we are talking about selective mutism.

10 Most Common Speech-Language Disorders

This used to be called elective mutism to emphasize its difference from disorders that caused mutism through damage to, or irregularities in, the speech process. Selective mutism is when a person does not speak in some or most situations, however that person is physically capable of speaking. It most often occurs in children, and is commonly exemplified by a child speaking at home but not at school. Selective mutism is related to psychology.

It appears in children who are very shy, who have an anxiety disorder, or who are going through a period of social withdrawal or isolation.

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These psychological factors have their own origins and should be dealt with through counseling or another type of psychological intervention.

Diagnosing selective mutism involves a team of professionals including SLPs, pediatricians, psychologists, and psychiatrists. Quite the contrary. SLPs can play an important role through working with selectively mute children to create a tailored behavioral treatment program and address speech and language disorders — such as stuttering — that may be contributing to psychological factors like excessive shyness.

As such anyone can suffer from aphasia because brain damage can be caused by a number of factors. However SLPs are most likely to encounter aphasia in adults, especially those who have had a stroke. Other common causes of aphasia are brain tumors, traumatic brain injuries, and degenerative brain diseases. In addition to neurologists, speech language pathologists have an important role in diagnosing aphasia. Because the field of brain damage repair is in its infancy, your role as an SLP is to help with coping methods and strategies.

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The brain is a remarkable organ, and sometimes when one part gets damaged another part will try and pick up the slack. That means you can also try working on activities to improve the language skills that have been affected by the brain damage — sometimes this can have an effect. Speech Delay — Alalia A speech delay, known to professionals as alalia, refers to the phenomenon when a child is not making normal attempts to verbally communicate.

The are many potential reasons why a child would not be using age-appropriate communication. It is the role of an SLP to go through a process of elimination, evaluating each possibility that could cause a speech delay, until an explanation is found. Approaching a child with a speech delay starts by distinguishing among the two main categories an SLP will evaluate: speech and language.

Most common language disorders pdf files

Speech has a lot to do with the organs of speech — the tongue, mouth, and vocal chords — as well as the muscles and nerves that connect them with the brain. Disorders like apraxia of speech and dysarthria are two examples that affect the nerve connections and organs of speech. Other examples in this category could include a cleft palette or even hearing loss. The other major category SLPs will evaluate is language.

This relates more to the brain and can be affected by brain damage or developmental disorders like autism.


There are many different types of brain damage that each manifest themselves differently, as well as developmental disorders, and the SLP will make evaluations for everything. Once the cause or causes for the speech delay are identified then the SLP can go to work treating and monitoring the child. For many speech-language disorders that cause a speech delay, early intervention and evaluation by an SLP can make a huge difference. The Centers for Disease Control and Prevention CDC reports that one out of every 68 children in our country have an autism spectrum disorder.

And by definition, all children who have autism also have social communication problems. Speech-language pathologists are often a critical voice on a team of professionals — also including pediatricians, occupational therapists, neurologists, developmental specialists, and physical therapists — who make an autism spectrum diagnosis.

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In fact, the American Speech-Language Hearing Association reports that problems with communication are the first detectable signs of autism. That is why language disorders — specifically disordered verbal and nonverbal communication — are one of the primary diagnostic criteria for autism. A big one is apraxia of speech. A study that came out of Penn State in found that 64 percent of children who were diagnosed with autism also had childhood apraxia of speech.

It points out that in general language abilities are impaired or delayed at an early age. So what kinds of SLP disorders are you likely to encounter with someone on the autism spectrum?