Glossary

Glossary

Understand key terms and concepts in speech-language pathology. Whether you’re a seasoned clinician or just starting out, this glossary is here to support your learning and practice.
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AAC (Augmentative and Alternative Communication)

Tools or strategies to help individuals with communication impairments express themselves, such as speech-generating devices or communication boards.

ASHA (American Speech-Language-Hearing Association)

The national organization that certifies SLPs and audiologists and sets professional standards.

Acalculia

Difficulty performing mathematical calculations due to neurological conditions.
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Accent Modification

Therapy focusing on modifying regional or non-native speech patterns.
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Aphasia

A language disorder caused by brain damage that affects the ability to speak, understand, read, or write.
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Apraxia

A motor planning disorder where the brain struggles to coordinate muscle movements for speech.
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Articulation Disorder

Difficulty in correctly producing speech sounds due to issues with the movement of speech-related muscles.
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Aspiration

Entry of food, liquid, or other materials into the airway below the vocal folds, which can lead to pneumonia and other respiratory complications.
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Auditory Processing Disorder (APD)

A condition where the brain has difficulty interpreting and making sense of sounds, despite normal hearing.

Autism Spectrum Disorder (ASD)

A neurotype characterized by differences in social communication, sensory processing, and patterns of thinking and behavior.

Backing

Phonological process where front sounds are replaced with back sounds.
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Bedside Swallow Evaluation

Clinical assessment of swallowing function performed at patient's bedside.

Bilateral Hearing Loss

Hearing loss in both ears, which can range from mild to profound and impact speech and language development.
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Bolus

A mass of food or liquid prepared for swallowing.
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Broad Phonetic Transcription

A general method for documenting speech sounds using the International Phonetic Alphabet (IPA), focusing on major sound features.

CVA (Cerebrovascular Accident)

Also known as stroke; can affect speech, language, cognition, and swallowing.

Childhood Apraxia of Speech (CAS)

A motor speech disorder where children have difficulty planning and coordinating the movements needed for speech.

Cleft Palate

A congenital condition where the roof of the mouth does not fully close, affecting speech and feeding.
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Cluster Reduction

Simplification of consonant clusters by omitting one or more sounds.
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Cluttering

A fluency disorder characterized by rapid and/or irregular speech that can be difficult to understand.
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Cognitive-Communication Disorder

Impairments in communication due to deficits in cognitive processes such as memory, attention, or problem-solving.

Core Vocabulary

A set of frequently used words that make up the majority of communication, often emphasized in AAC therapy.
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Cultural and Linguistic Diversity (CLD)

The presence of different languages, dialects, and cultural communication patterns within communities.

Delayed Language

Later-than-expected emergence of language skills.
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Dementia

Progressive decline in cognitive function affecting communication and swallowing.
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Developmental Language Disorder (DLD)

A difference in language learning that impacts understanding and/or use of language, occurring in about 7% of the population.

Diadochokinesis (DDK)

The ability to make rapid, alternating speech movements, often assessed during speech evaluations.
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Down Syndrome

A genetic variation that may present with unique patterns of learning and development, including distinct speech and language characteristics.
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Dysarthria

A motor speech disorder resulting from muscle weakness, affecting speech clarity and articulation.
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Dysfluency

Disruptions in the smooth flow of speech.
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Dyskinesia

Abnormal, involuntary movements that can affect speech production.
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Dyslexia

Learning difference affecting reading and written language processing.
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Dysphagia

Difficulty swallowing, often assessed and treated by speech-language pathologists.
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Dysphonia

A voice disorder characterized by abnormal pitch, volume, or quality of the voice.
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Early Intervention (EI)

Services provided to young children (birth to three years old) with developmental delays, including speech and language therapy.
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Echolalia

The unsolicited repetition of words or phrases spoken by others.
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Esophageal Speech

A voice production method used by individuals who have had a laryngectomy, involving air pushed through the esophagus.
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Evidence-Based Practice (EBP)

The integration of clinical expertise, patient preferences, and research evidence to guide therapy decisions.

Executive Functioning

Cognitive skills such as planning, organization, and attention that impact communication.
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Executive Functions

Higher-order cognitive processes including working memory, flexible thinking, and self-control.
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Eye gaze

A nonverbal communication method involving eye movement, often used in augmentative and alternative communication (AAC).
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FEES (Fiberoptic Endoscopic Evaluation of Swallowing)

A procedure using a flexible endoscope to assess swallowing function by directly observing the throat during eating and drinking.

Final Consonant Deletion

Omission of consonants at the ends of words.

Fluency

The smoothness, rhythm, and flow of speech, often the focus in stuttering therapy.
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Functional Communication

Practical and purposeful communication skills used in daily life, such as requesting or refusing.

Functional Communication Training (FCT)

A therapy approach that teaches individuals alternative ways to communicate effectively, reducing challenging behaviors.

Gender-Affirming Voice Therapy

A person-centered approach to voice and communication modification that helps align voice characteristics with gender identity.

Gestalt Language Processing

A natural language development path where individuals initially learn and use language in whole, meaningful chunks or "gestalts" rather than single words.

Gliding

A phonological process where liquids (e.g., /l/, /r/) are replaced with glides (e.g., /w/, /j/), commonly treated in speech therapy.
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Goal Setting

The process of identifying specific objectives for therapy based on individual needs and strengths.
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Grammar

The set of structural rules governing language, including syntax and morphology, often a focus in language therapy.
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Grammar Therapy

Interventions targeting the understanding and use of grammatical structures in spoken or written language.
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Grammatical Morphemes

Small units of language that add meaning to words, such as -s for plural or -ed for past tense, often targeted in therapy.
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Gross Motor Skills

Movements involving large muscles, such as walking or jumping, which may indirectly affect speech development.
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Group Therapy

A therapy format involving multiple participants, promoting peer interaction and communication practice.
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Growth Mindset

A belief in the ability to improve skills through effort and learning, encouraged in therapy to foster motivation.
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Habilitation

The process of helping individuals develop skills or abilities they have not previously acquired.
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Hearing Aid

A device that amplifies sound for individuals with hearing loss, often integrated into auditory rehabilitation.
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Hearing Loss

Partial or total inability to hear, which may impact speech and language development.
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High-Tech AAC

Electronic or computer-based communication devices with complex capabilities.
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Hoarseness

Rough or harsh voice quality, often indicating vocal pathology.
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Holistic Approach

Treatment considering the whole person, including physical, social, and emotional aspects.
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Home Program

Therapy activities assigned for practice at home to reinforce skills learned in sessions.
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Hypernasality

Excessive nasal resonance during speech, often associated with velopharyngeal dysfunction.
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Hyponasality

Reduced nasal resonance during speech, often due to nasal obstruction.
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IDDSI (International Dysphagia Diet Standardisation Initiative)

Global standardized terminology and definitions for texture-modified foods and thickened liquids.

Inclusion

The practice of integrating individuals with disabilities into general education or community settings.
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Individualized Education Program (IEP)

A legally binding plan outlining special education services and goals for students with disabilities.

Intelligibility

The clarity of speech and the ease with which it can be understood by others.
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Intervention

A planned program or strategy designed to address specific speech, language, or communication needs.
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J-tube (Jejunostomy Tube)

A feeding tube surgically placed directly into the jejunum (middle section of the small intestine), bypassing the stomach to provide nutrition, hydration, and medication.

Joint Attention

The shared focus between two individuals on an object or activity, a critical skill in language development.
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Juvenile Apraxia of Speech

A motor speech disorder in children affecting the planning and sequencing of movements required for speech.

K-W-L Chart

A tool used in therapy to assess what a client Knows, Wants to know, and has Learned about a topic.
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Key Word Signing

A communication system that uses manual signs alongside speech to support language development and comprehension, typically signing only the most important words in a sentence.
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Kinesthetic Cues

Physical prompts, such as hand movements, used to guide clients in producing accurate speech sounds.
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Kinetic Learning

A learning style that emphasizes hands-on activities, often incorporated into speech therapy sessions for better engagement.
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Language Acquisition

The process by which individuals learn to understand and produce language, crucial in early development and speech therapy.
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Language Delay

A developmental delay in a child's ability to acquire language compared to peers, often addressed in early intervention.
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Language Disorder

Difficulty in understanding or producing language due to developmental or neurological causes, requiring tailored therapeutic strategies.
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Laryngectomy

Surgical removal of the larynx, requiring alternative communication methods and specialized swallowing management.
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Larynx

The voice box, responsible for sound production and protecting the airway, often a focus in voice therapy.
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Lateral Lisp

A speech error where air escapes the sides of the tongue during sibilant sounds like "s" and "z," often targeted in articulation therapy.
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Listening Comprehension

The ability to understand spoken language, often a focus in auditory processing and language therapy.
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Literacy

The ability to read and write, frequently addressed in speech-language pathology to support academic success.
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Logorrhea

Excessive and often incoherent speech output, commonly seen in neurological conditions and addressed in therapy.
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MBSS (Modified Barium Swallow Study)

A radiographic examination of swallowing using barium-containing substances to evaluate swallowing safety and efficiency.

MLU (Mean Length of Utterance)

Average number of morphemes or words per utterance, used to measure language development.

Morphology

The study of the structure of words and how morphemes (the smallest units of meaning) combine to create meaning.
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Motor Speech Disorders

Speech impairments resulting from damage to the brain or nerves controlling speech muscles, such as apraxia or dysarthria.
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Multimodal Communication

The use of multiple forms of communication (e.g., speech, gestures, AAC devices) to enhance interaction.

Mutism

The absence of speech, often addressed in therapy for individuals with selective mutism or neurological conditions.
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NPO

Latin "Nil Per Os" meaning nothing by mouth; a medical order restricting oral intake for safety.
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Narrative Skills

The ability to tell a story or describe events in a logical, cohesive sequence.
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Nasal Emission

The release of air through the nose during speech, often associated with cleft palate or velopharyngeal insufficiency.
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Naturalistic Teaching

A therapy approach that incorporates learning opportunities into a client’s natural environment and daily routines.
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Neurodiversity

The natural variation in human brain function and behavioral traits, recognizing that neurological differences are normal variations of human development rather than deficits to be fixed.
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Neurological Disorders

Conditions affecting the nervous system that can impact speech, language, or swallowing abilities, such as stroke or traumatic brain injury.
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Oral Apraxia

A motor planning disorder specifically affecting non-speech oral movements, such as blowing, kissing, or sticking out the tongue.
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Oral Mechanism Examination (OME)

A structured assessment of the structure and function of the oral cavity, including lips, tongue, teeth, hard/soft palate, and jaw.
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