2027 Types of Communication Disorders Treated by SLPs
Co-Founder and Chief Data Scientist
Reviewed by Rhea Paul, PhD
SLP Education & Research Expert
A speech-language pathologist (SLP) may help a child who cannot produce certain sounds, an adult recovering language after a stroke, or someone who coughs when swallowing. These problems require different evaluations and treatments, even though they fall within the same profession. This guide explains the conditions SLPs address, what care may involve, and when another specialist should be involved. It is for people seeking care and for prospective SLP students deciding which clinical populations interest them.
Key Things You Should Know
- SLPs treat speech, language, fluency, voice, social communication, and cognitive communication disorders; they also assess and treat feeding and swallowing disorders, which are related clinical concerns rather than communication disorders.
- Treatment depends on the underlying problem: a speech sound disorder, aphasia, and swallowing difficulty call for different assessments and goals. BLS projects 17% growth in SLP employment from 2025 to 2035, reflecting demand for the profession - not the likely outcome of an individual's therapy.
- Seek an evaluation when a difficulty persists or affects daily life; seek urgent medical care for sudden communication changes or breathing and swallowing emergencies. The BLS reports a May 2025 median annual SLP wage of $97,870, but pay does not indicate which specialty is right for a clinician or patient.
- What communication disorders do speech-language pathologists treat? Disorder Overview
- How do SLPs treat speech sound disorders and motor speech conditions? Speech Disorders
- How do SLPs evaluate and treat language disorders in children and adults? Language Disorders
- How are fluency disorders such as stuttering treated by SLPs? Fluency Treatment
- When should someone seek an SLP evaluation for communication or swallowing problems? Seeking Evaluation
What communication disorders do speech-language pathologists treat?
SLPs assess how people understand, produce, and use communication. Their scope also includes feeding and swallowing, although difficulty swallowing is not itself a communication disorder. The categories below help identify the kind of evaluation someone may need; one person can have more than one condition.
| Area | Examples | What may be affected |
| Speech sound and motor speech | Articulation disorder, dysarthria, apraxia of speech | Producing sounds or coordinating speech movements |
| Language | Developmental language disorder, aphasia | Understanding or expressing words and sentences |
| Fluency | Stuttering, cluttering | The flow and timing of speech |
| Voice and resonance | Dysphonia, hypernasality | Vocal quality, pitch, loudness, or airflow during speech |
| Social communication | Pragmatic language difficulties | Using communication effectively in social contexts |
| Cognitive communication | Communication difficulties associated with brain injury or dementia | Attention, memory, organization, or reasoning during communication |
| Feeding and swallowing | Dysphagia, pediatric feeding difficulties | Eating, drinking, or swallowing safely and effectively |
SLPs work in schools, outpatient clinics, hospitals, rehabilitation facilities, and other settings. A prospective clinician should choose training for the population and conditions they hope to serve, not assume every SLP job covers every specialty. Before comparing program speed, check accreditation checks for the fastest online slp programs and ask how students gain supervised experience with their intended population.
How do SLPs treat speech sound disorders and motor speech conditions?
A speech sound disorder affects how sounds are learned or produced. An SLP may test which sounds are difficult, whether errors follow a pattern, and how understandable the person is in conversation. Therapy may use sound practice, feedback, and opportunities to carry new skills into everyday speech. Hearing concerns should also be checked because they can affect speech development.
Motor speech disorders involve planning or controlling speech movements. Childhood or acquired apraxia of speech affects movement planning; dysarthria involves weakness or impaired control of the muscles used for speech. An SLP may address movement accuracy, speaking rate, breath support, or intelligibility depending on the diagnosis. When speech remains difficult to understand, augmentative and alternative communication (AAC) - such as a communication board or speech-generating device - can support communication alongside speech therapy.
For prospective SLPs, these conditions illustrate why supervised clinical practice matters as much as classroom pace. When considering accelerated online slp master's programs, ask how the program provides motor speech assessment experience and arranges appropriate clinical placements.
How do SLPs evaluate and treat language disorders in children and adults?
A language disorder affects understanding or expressing meaning through spoken, written, or other forms of language. With children, an SLP considers developmental history, caregiver and teacher observations, and performance across relevant languages and settings. Goals might involve vocabulary, sentence structure, storytelling, or following directions. A difference associated with learning or using more than one language is not, by itself, a disorder.
Adults may acquire language difficulties after a stroke or other brain injury. Aphasia can affect speaking, comprehension, reading, and writing without implying a loss of intelligence. Treatment may focus on practicing useful language, developing communication strategies, and helping family members support conversations. Progress and goals vary with the cause, severity, and person's priorities.
Students changing fields should check prerequisite coursework before selecting a graduate program. Comparing the time to complete speech pathology prerequisites can prevent an otherwise appealing program from becoming a poor fit for their planned start date.
How are fluency disorders such as stuttering treated by SLPs?
Fluency disorders affect the timing and flow of speech. Stuttering can involve repetitions, prolongations, or blocks; cluttering may involve a rapid or irregular rate that makes speech difficult to follow. An evaluation considers not only observable speech but also the speaker's experience, participation, and goals.
Treatment is individualized. It may include strategies for managing speech, reducing struggle or avoidance, and making conversations easier in situations the person values. For children, SLPs may also work with caregivers and teachers to create supportive communication environments. The goal should not automatically be perfectly fluent speech: a person may prioritize confidence, self-advocacy, or participating more fully while continuing to stutter.
What voice and resonance disorders can SLPs diagnose and treat?
Voice disorders can change vocal quality, pitch, loudness, or the effort needed to speak. Resonance disorders affect how sound and airflow move through the mouth and nose, sometimes producing speech that sounds unusually nasal. Causes range from how the voice is used to vocal fold or structural conditions.
An SLP may assess how the voice functions and provide therapy for appropriate conditions, including strategies that reduce strain and improve efficient voice use. Persistent or unexplained voice changes also warrant medical evaluation, often by an ear, nose, and throat physician, to examine the larynx and identify conditions therapy alone cannot address. Structural resonance problems may require coordinated care with medical specialists; SLP therapy is not a substitute for that assessment.
How do SLPs treat social communication and pragmatic language disorders?
Social communication, also called pragmatic language, is how people use communication in context. An SLP may assess skills such as explaining a point clearly, interpreting another person's meaning, repairing misunderstandings, and adapting communication to a situation. Social communication differences can occur with autism, developmental language disorders, or acquired brain injury, but a difference alone does not establish a diagnosis or a need for therapy.
Useful intervention starts with the person's own priorities. Therapy might practice navigating a particular workplace conversation, recognizing when clarification is needed, or communicating preferences to others. For autistic clients, supportive care should respect different communication styles rather than require eye contact or other behaviors simply to appear typical.
Which cognitive communication disorders receive speech-language therapy?
Cognitive communication disorders occur when changes in attention, memory, organization, or reasoning interfere with communication. They may follow a traumatic brain injury or stroke, or occur with a progressive condition such as dementia. Someone might lose track of a conversation, struggle to organize an explanation, or have difficulty remembering information needed to participate.
An SLP evaluates the communication impact rather than assuming every memory problem is a speech problem. Therapy may use structured practice, external supports such as written reminders, and changes to the communication environment. For progressive conditions, goals may shift toward maintaining participation and helping communication partners adapt. SLPs often coordinate with occupational therapists, physicians, and other professionals when needs extend beyond communication.
How do SLPs assess and treat swallowing and feeding disorders?
Dysphagia means difficulty swallowing. An SLP may review medical history, observe eating and drinking when appropriate, and assess oral movements and swallowing-related symptoms. If more information is needed, a qualified team may use a videofluoroscopic swallow study or fiberoptic endoscopic evaluation of swallowing to see what happens during swallowing. The choice of test depends on the clinical question and setting.
Treatment may involve swallowing exercises, positioning, changes to food or liquid when clinically indicated, or strategies that make eating safer and more manageable. Pediatric feeding care may also address oral skills and participation in meals. Recommendations should be individualized; coughing is not the only possible sign of swallowing difficulty, and automatically thickening drinks or restricting food without assessment can create other problems.
Medical SLP roles can differ substantially from school-based practice. Students interested in hospital work should investigate clinical placement opportunities alongside acute care slp salary information; pay varies by employer and location and does not replace training in medically complex care.
Which communication disorders commonly affect children versus adults?
Age can suggest which conditions an SLP may encounter, but it does not determine the diagnosis. This comparison shows common patterns and important overlaps for families choosing services and students considering a specialty.
| Population | Common reasons for referral | Important overlap |
| Children | Speech sound difficulties, developmental language difficulties, stuttering, social communication concerns, feeding difficulties | Children can also have acquired conditions after an illness or injury. |
| Adults | Aphasia, dysarthria, acquired apraxia, cognitive communication changes, voice or swallowing problems | Adults may continue to seek care for stuttering or other lifelong conditions. |
Career interests matter more than an assumed age divide: school-based clinicians and hospital clinicians may need different placement experiences, schedules, and skills. When comparing graduate options, weigh total education cost and likely work setting rather than a national wage figure alone; an online slp master's return on investment depends in part on tuition, required travel, and the jobs available where you intend to work.
When should someone seek an SLP evaluation for communication or swallowing problems?
Seek an evaluation when communication or eating and drinking difficulties persist, worsen, or interfere with learning, work, relationships, or meals. A pediatrician, primary care clinician, school team, or relevant medical specialist can help identify an appropriate referral. Do not wait for a child to "grow out of" a concern without discussing it, and do not assume a new adult communication problem is a normal part of aging.
Sudden trouble speaking or understanding speech can be a sign of stroke and needs emergency medical attention. Choking that prevents breathing is also an emergency. For recurring coughing during meals, a wet-sounding voice after swallowing, or unexplained difficulty managing food or liquids, contact a healthcare professional promptly for guidance.
Prospective SLPs face a different evaluation decision: whether a program prepares them for the people they want to serve. Compare supervised placements, state licensure disclosures, and online versus campus slp admission requirements before applying. A common mistake is choosing a convenient format without confirming how hands-on clinical training will work.
References:
- U.S. Bureau of Labor Statistics - Speech-Language Pathologists https://www.bls.gov/ooh/healthcare/speech-language-pathologists.htm
- ASHA EdFind - Accredited Speech-Language Pathology Programs https://find.asha.org/ed/
- ETS Praxis - Speech-Language Pathology (5331) https://praxis.ets.org/test/speech-language-pathology-5331.html
- Auburn University, Montgomery - Master of Science in Speech-Language Pathology https://www.aum.edu/degree/ms-speech-language-pathology/
- University of Nebraska at Kearney - Speech-Language Pathology, Master of Science in Education (Online Track) https://www.unk.edu/online/degrees-programs/speech-language-pathology-online.php
- New York University - Online MS, Communicative Sciences and Disorders (Speech@NYU) https://steinhardt.nyu.edu/degree/online-ms-communicative-sciences-and-disorders
- Ithaca College - Online Master of Science in Speech-Language Pathology https://slponline.ithaca.edu/programs/masters-speech-language-pathology-online
- University of North Carolina at Greensboro - Speech-Language Pathology, M.A. (Online) https://csd.uncg.edu/graduate/masters-of-arts-online/
Other Things You Should Know About Speech Pathology
Yes. An SLP can assess communication needs and introduce AAC, including gestures, communication boards, or speech-generating devices. AAC can be used alongside work on speech when appropriate.
Many communication services can be delivered by telepractice when the clinician determines it is suitable. Some evaluations and treatments, particularly medically complex swallowing care, may require in-person services. Coverage and provider licensing rules also vary.
Coverage depends on the plan, diagnosis, setting, and provider. Ask the insurer whether an evaluation needs a referral or prior authorization and whether the clinician is in network. Public-school services follow a separate eligibility process.
In the United States, SLPs generally need a master's degree and a state license. Requirements vary by state, so check the relevant licensing board and a program's accreditation and licensure disclosures before enrolling.
