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Understanding Early Speech Development Study Guide

This guide explains the International Classification of Functioning, Disability, and Health (ICF) model, developed by the World Health Organization. It details the core components of the ICF model, including Body Structure and Function, Activity, and Participation, as well as Contextual Factors such as Environmental and Personal Factors. The guide illustrates how these elements interact to provide a holistic understanding of functioning, disability, and health, moving beyond a purely medical dia

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Linguistics Fundamentals

Phonetics, Phonology, and Morphology Overview

A review of phonetic and phonological concepts including the International Phonetic Alphabet, transcription types, and morpheme classifications.

  • Phonetics vs. Phonology
  • International Phonetic Alphabet
  • Broad and Narrow Transcription
  • Phoneme vs. Allophone
  • Minimal Pairs
  • Free variation and Complementary distribution
  • Morpheme types
  • Lexical and functional morphemes
  • Derivational and inflectional morphemes

Understanding Speech Sound Disorders

Understanding Speech Sound Disorders

Speech sound disorders involve difficulty with the perception, motor production, or phonological representation of speech sounds.

  • Speech Sound Disorders (SSD)
  • Functional/Idiopathic SSD
  • Articulation
  • Phonological disorders
  • Incidence vs. Prevalence
  • Omissions/deletions
  • Syllable-level errors

Measuring Speech Sound Disorder Severity

Measures of speech production include intelligibility, percent consonant correct (PCC), percent vowel correct (PVC), and percent phoneme correct (PPC).

  • Intelligibility
  • Percent Consonant Correct (PCC)
  • Speaker and speech factors
  • Listener factors
  • PCC Severity Scale

Evolution and Classification of Speech Sound Disorders

Speech Sound Disorders Theories and Classifications

This topic explores the evolution of speech sound disorder terminology, distinguishing between articulation disorders and phonological disorders through various classification systems.

  • Articulation disorders
  • Phonological disorders
  • Distinctive features
  • Percent Consonant Correct (PCC)
  • Speech delay
  • Motor speech disorders
  • Etiology
  • Error consistency

Infant Perception and Prelinguistic Vocal Development

Infant Perception and Prelinguistic Development

This topic covers the selection, organization, and interpretation of speech stimuli in infants and the stages of prelinguistic vocal development.

  • Perception
  • High amplitude sucking
  • Visually reinforced head turn
  • Neurophysiological methods
  • Infant Directed Speech (IDS)
  • Categorical Perception
  • Perceptual Constancy
  • Infraphonological Stages
  • Canonical Babbling
  • Integrative Stage

The Linguistic Stage of Development

Phonetics: Consonants and Vowels

Classification of Vowels and Consonants

An overview of phonetic segments including the classification of vowels and consonants based on place, manner, and voicing.

  • Vowels and consonants segments
  • Sonorant and obstruent classification
  • Place of constriction in vocal tract
  • Manner of airflow through vocal tract
  • Voicing and vocal fold vibration
  • Articulators in speech production
  • IPA symbols for consonants

Phonetics: Vowel Production

Phonetic Characterization and IPA Transcription

This material covers the parameters used to characterize phonemes and provides practice for IPA transcription of various vowels and words.

  • Tongue height
  • Tongue advancement
  • Lip rounding
  • Muscle tenseness
  • IPA transcription
  • Central vowels
  • Diphthongs
  • R-colored vowels

Aerodynamics of Speech Systems

Aerodynamics of Speech Systems

An overview of the respiratory, laryngeal, and supralaryngeal systems required for speech coordination.

  • Aerodynamics of speech
  • Respiratory system coordination
  • Laryngeal system anatomy
  • Supralaryngeal system anatomy
  • Human vocal tract structures

The International Classification of Functioning, Disability, and Health Model

The ICF Model of Human Functioning

The International Classification of Functioning, Disability, and Health (ICF) Model is a multidimensional and interactive framework created by the World Health Organization to understand functioning, disability, and health in context.

  • ICF Model
  • Body Structure and Function
  • Activity
  • Participation
  • Environmental Factors
  • Personal Factors
  • Impairments
  • Activity limitations
  • Participation restrictions

Segmental Development and Speech Sound Acquisition

Segmental Development and Speech Sound Acquisition

This content examines the developmental sequence of vowels and consonant phonemes, including the concept of markedness in speech elements.

  • segmental development
  • vowel acquisition
  • age of acquisition
  • typical and atypical speech acquisition
  • markedness
  • linguistic universals

Speech Sound Assessment Purposes and Elements

Comprehensive Speech Sound Assessment

A speech sound assessment determines if intervention is warranted, monitors change in performance, and identifies elements like oral mechanism exams and standardized norm-referenced tests.

  • Speech Sound Assessment
  • Oral Structure & Functional Assessment
  • Oral Mechanism Exam
  • Standardized Norm-referenced Tests
  • Etiology of the disorder
  • Prognosis

Speech Sound Treatment Principles and Generalization

Speech Language Pathology Treatment Principles

Speech-language pathologists plan treatment to maximize structural change, generalization, and improvement in the sound system through evidence-based practice and implementation science.

  • Long-Term Goal of Speech Therapy
  • Treatment Program Elements
  • Evidence Based Practice
  • Clinical expertise
  • Treatment efficacy
  • Implementation science
  • Know-do gap
  • Generalization
  • Within class generalization
  • Across class generalization

Syllable Structure, Stress, and Phonological Classification

Phonology, Syllable Structure, and Consonant Classification

An introduction to the study of speech sound patterns, syllable components, lexical stress, and the classification of vowels and consonants.

  • Syllable shape and components
  • Onset, rhyme, nucleus, and coda
  • Lexical stress characteristics
  • Trochaic and iambic patterns
  • Stress-timed, syllable-timed, and mora-timed languages
  • Phonetics and phonology definitions
  • Phonemes and allophones
  • Minimal pairs and morphemes
  • Broad and narrow transcription
  • Vowel classification by height, backness, and tenseness
  • Diphthongs and r-colored vowels
  • Consonant manner of articulation
  • Consonant place of articulation

Functional Outcomes and Client-Centered Practice

Holistic Approaches to Speech Sound Disorders

Clinicians utilize a holistic perspective and client-centered practice to address speech sound disorders through functional outcomes and evidence-based decision making.

  • Holistic perspective
  • Evidence-based practice
  • Client-centered practice
  • Functional outcomes
  • Speech sound production
  • Intelligibility In Context Scale
  • Percentage of consonants correct (PCC-R)
  • Percentage of vowels correct (PVC)

Understanding Types of Phonological Patterns

Types of Phonological Patterns

Children learning to produce speech sounds often simplify production by applying error patterns known as phonological patterns.

  • Syllable Structure
  • Substitution
  • Assimilation
  • Idiosyncratic
  • Reduplication
  • Diminutization
  • Weak Syllable Deletion
  • Final Consonant Deletion
  • Cluster deletion
  • Cluster reduction
  • Coalescence
  • Epenthesis
  • Velar fronting
  • Palatal fronting
  • Stopping
  • Gliding
  • Deaffrication
  • Vocalization
  • Labialization
  • Alveolarization

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