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DCSD Audiology Department

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Auditory Processing Disorder • Overview

Defining Auditory Processing Disorder

What is Auditory Processing Disorder

What the brain does with what the ear hears

CLINICAL DEFINITION

APD is a deficit of neural processing of auditory stimuli not due to higher order language, cognitive or related factors.

STUDENT IMPACT

Classroom Manifestation

Students with Auditory Processing Disorder (APD) face specific auditory comprehension challenges despite having normal hearing.

  • Normal Hearing Ability: Hearing thresholds remain completely normal.
  • Sound Interpretation: Difficulty making sense of auditory input and speech.
  • Instructional Struggles: Difficulty understanding conversation and verbal classroom instruction.
  • Background Noise Vulnerability: Challenges are significantly heightened in noisy environments.

DCSD Audiology Department • Educational & Clinical Insights

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Colorado APD Guidelines Reference Guide

Auditory Processing Deficits: Look Fors in Children & Youth

hearingObserved Challenges

Behaves as if hearing loss is present

Despite hearing levels testing within normal range

Frequently requests repetitions (says "huh?" or "what?" often)

Misunderstanding Spoken Language:

  • In noisy situations or large, echo-y/reverberant rooms
  • When speech is fast, unclear, or has unfamiliar accents
  • During public announcements or media recordings
  • When relying on listening only (without visual supports)

Gives delayed, inconsistent, or inappropriate responses in oral communication

Mishears words or confuses similar sounding words

Acts confused, distracted, or zoned out during listening activities

Difficulty localizing sound sources (e.g., on playground, near streets)

Misunderstands tone of voice, sarcasm, or vocal humor

schoolPossible School-Related Impacts

Poor Performance on Auditory Tasks

Challenges in listening comprehension, sound discrimination, phonology, or letter-sound associations.

Academic Difficulties

Associated struggles in reading development, spelling, and overall classroom learning.

Sustained Attention Fatigue

Difficulty attending to long lectures or extended periods of uninterrupted listening.

Following Instructions

Inability or frequent confusion when asked to follow multi-step verbal directions.

Rhythmic & Language Acquisition

Trouble learning simple songs, nursery rhymes, or acquiring a second language.

Socialization & Group Dynamics

Problems interacting socially in large groups, cafeterias, or noisy environments.

Colorado APD Resources Revised October 2024 Page 1 of 1

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Epidemiology & Demographics

Prevalence of Auditory Processing Disorders in Children

3% – 5%

General Pediatric Population

Estimated overall prevalence of APD among school-aged children.

up to 50%

Clinical Special Populations

Prevalence increases significantly in children evaluated for learning disabilities, academic struggles, or language delays.

High Co-occurrence with Related Conditions

ADHD Overlap: Up to 50% of children diagnosed with APD also meet criteria for Attention-Deficit/Hyperactivity Disorder, requiring careful differential diagnosis.

Dyslexia & Reading Disorders: Strong co-morbidity exists with phonological-based reading deficits, as auditory temporal processing is critical for phonemic awareness.

Language Impairments: Frequent overlap with Developmental Language Disorder (DLD), impacting broad speech and comprehension development.

Diagnostic & Demographic Insights

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Age of Assessment: Diagnostic testing is typically standardized for children aged 7 and older due to required neurodevelopmental maturity and test complexity.

Environmental Impact: Symptoms manifest most prominently in noisy, reverberant classroom settings, compounding academic challenges.

Colorado APD Reference Guide • Clinical Prevalence & Epidemiological Overview

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Auditory Skill Development Framework

Hierarchy of Auditory Skills

04

4. Comprehension

The ability to understand and derive meaning from spoken language, answer questions, follow directions, and hold conversations.

03

3. Identification

The ability to label or point to specific sounds or words when heard, demonstrating association between sound and meaning.

02

2. Discrimination

The ability to determine whether two sounds, syllables, or words are the same or different (pitch, duration, loudness).

01

1. Awareness / Detection

The foundational ability to perceive the presence or absence of sound in the environment or speech.

Auditory Skill Hierarchy Framework • Foundational to Advanced Listening Progression

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Auditory Skill Development Framework • Level 1

Auditory Awareness & Attention

hearing

01

Auditory Awareness Sound Detection

The foundational ability to perceive and detect the presence or absence of sound in the environment.

Mechanism: Presence vs. Absence Sensing • Indicators: Head-turn to sudden sounds, acknowledging sound onset/offset

Auditory Skill Hierarchy Framework • Level 1: Auditory Awareness & Attention Components

explore

02

Sound Localization Spatial Audio Tracking

The ability to determine and locate the physical direction and source of a sound in space.

Mechanism: Binaural Processing • Indicators: Orienting toward speaker, tracking moving sources in 3D space

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03

Auditory Attention Figure-Ground Focus

The ability to attend to important auditory information in the midst of competing background noise.

Mechanism: Selective Signal Separation • Indicators: Sustained listening in noise, suppressing distractions

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Auditory Skill Development Framework • Level 2

Auditory Discrimination

Auditory Skill Hierarchy Framework • Level 2: Auditory Discrimination Components

volume_up

01

Environmental Sounds Non-Speech Auditory

The ability to detect differences between sounds in the environment.

Mechanism: Environmental Acoustic Analysis • Indicators: Distinguishing ambient vs. foreground sounds

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02

Suprasegmentals Prosody & Vocal Patterns

The ability to detect differences in non-phoneme aspects of speech including rate, intensity, duration, pitch, and prosody.

Mechanism: Prosodic Feature Analysis • Indicators: Recognizing emotional tone and statement vs. question inflection

record_voice_over

03

Segmentals Speech Sounds & Phonemes

The ability to detect differences between specific speech sounds.

Mechanism: Phonemic Differentiation • Indicators: Distinguishing minimal pairs (e.g., /ba/ vs. /da/) and target vowels

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Auditory Skill Development Framework • Level 3

Auditory Identification

psychology

01

Auditory Association Sound & Meaning Connection

The ability to attach meaning to sounds and speech.

Mechanism: Semantic Auditory Mapping • Indicators: Linking spoken words to objects & sound symbols

record_voice_over

02

Auditory Feedback Self-Monitoring & Speech Control

The ability to change speech production based on hearing yourself speak.

Mechanism: Acoustic Loop Regulation • Indicators: Volume and pitch self-correction, speech clarity

Auditory Skill Hierarchy Framework • Level 3: Auditory Identification Components

analytics

03

Auditory Analysis Phonological Awareness

The ability to identify, blend, segment, and manipulate oral language structure.

Mechanism: Structural Language Processing • Indicators: Blending and segmenting phonemes, manipulating sound patterns

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Auditory Skill Development Framework • Level 4

Auditory Comprehension

forum

01

Auditory Comprehension Message Understanding

The ability to understand longer auditory messages, continuous spoken narrative, and multi-step directions.

Mechanism: Holistic Discourse Processing • Indicators: Following multi-step directions & story comprehension

extension

02

Auditory Closure Filling Missing Information

The ability to make sense of auditory messages when a piece of information is missing or fragmented.

Mechanism: Contextual Signal Synthesis • Indicators: Speech in noise & repairing muffled audio signals

memory

03

Auditory Memory Information Retention

The ability to retain auditory information both immediately and after a delay.

Mechanism: Acoustic Trace Storage • Indicators: Recalling multi-step verbal instructions & story details

Auditory Skill Hierarchy Framework • Level 4: Auditory Comprehension Components

translate

04

Linguistic Auditory Processing Language Manipulation

The ability to interpret, retain, organize, and manipulate spoken language for higher level learning.

Mechanism: Cognitive-Linguistic Control • Indicators: Understanding figurative language & drawing inferences

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DCSD Bond Investments in Classroom Technology

Enhancing Auditory Accessibility & Learning Environments with Lightspeed Audio Systems

Bond-Funded Improvements

Thanks to voter support for the DCSD Bond, schools across the district have been equipped with state-of-the-art Lightspeed Instructional Audio Systems.

Key Impact Areas:

• Clear Audio Distribution: Evenly distributes the teacher's natural voice throughout the entire classroom.

• Reduced Auditory Fatigue: Helps all students, including those with APD or hearing difficulties, process instruction effortlessly.

• Overcoming Ambient Noise: Bypasses classroom background noise and HVAC interference without requiring the teacher to strain their voice.

See the Technology in Action

Discover how Lightspeed audio solutions transform classroom engagement and ensure every student hears every word clear and crisp.

Watch Video Demonstration:

Classroom System Lightspeed Technologies

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LightSpeed Systems Explained (for Teachers)

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Douglas County School District • Student Support Services

Integrated Multi-Tiered System of Supports (MTSS)

Tier 1 & Tier 2: RtI

Response to Intervention (General Education)

Universal Screening & High-Quality Instruction

All students receive standards-based Tier 1 instruction with ongoing progress monitoring to identify needs early.

Targeted Small-Group Interventions (Tier 2)

Students needing extra support receive supplemental, evidence-based group instruction tailored to specific skill deficits.

Data-Based Decision Making

Problem-solving teams analyze student performance data regularly to adjust intervention intensity and frequency.

General Education Framework

RtI serves as a proactive, non-special education framework designed to prevent academic and behavioral failure.

Section 504 Accommodation Plan

Equal Access & Civil Rights Protection

Broad Legal Eligibility Criteria

Protects students with a documented physical or mental impairment that substantially limits one or more major life activities.

Equal Educational Access

Focuses on removing environmental and instructional barriers rather than modifying learning standards or curriculum content.

Customized Accommodations

Includes preferential seating, extended testing time, assistive listening devices, and sensory/movement breaks.

General Education Oversight

Managed within general education with annual reviews to ensure full access to school environments and programs.

Special Education: IEP

Individualized Education Program (IDEA)

Specialized Instruction & Goals

Provides individualized, specialized instruction designed to meet unique learning needs with measurable annual goals.

Comprehensive Multidisciplinary Evaluation

Requires formal evaluation by a multidisciplinary team to establish eligibility under IDEA qualifying categories.

Related Services & Supports

Includes Speech-Language Therapy, Occupational Therapy, Audiology, Physical Therapy, and specialized transportation.

Modifications & Accommodations

Offers modified curriculum expectations alongside classroom accommodations to ensure meaningful educational benefit.

Key Support System Takeaway:

Douglas County School District utilizes an integrated multi-tiered continuum—seamlessly connecting RtI early intervention, Section 504 structural accommodations, and IEP specialized instruction to ensure every student receives the exact level of support needed to thrive.

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Douglas County School District • Audiology Department

Auditory Processing Disorder (APD): Parent Resources & Support

National Organizations

Expert Information & Advocacy

ASHA (American Speech-Language-Hearing Assoc.)

www.asha.org

Comprehensive guides on APD diagnosis, symptoms, and evidence-based treatment strategies.

Understood.org

www.understood.org

Practical parenting advice, classroom accommodation checklists, and simulation tools for learning differences.

LDAA (Learning Disabilities Assoc. of America)

www.ldaamerica.org

Advocacy resources, legal rights under IDEA/504, and support networks for families.

AAA (American Academy of Audiology)

www.audiology.org

Audiologist locator tools and clinical research updates on central auditory processing.

Home Strategies

Optimizing the Listening Environment

Reduce Background Noise

Turn off TVs and soft music during homework; use rugs and curtains to minimize room echo.

Face-to-Face Communication

Gain eye contact before giving multi-step directions; speak at a normal rate with clear pauses.

Visual & Written Supports

Pair spoken instructions with checklists, visual schedules, or written chore lists.

Chunk Information

Break complex tasks into single, sequential steps to avoid auditory memory overload

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Acoustic Pioneer

Listening activities to strengthen listening skills

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School Collaboration

Partnering with Your School Team

Preferential Seating

Seating near the teacher and away from noise sources like HVAC units or doors.

Assistive Listening Technology

Explore remote microphone (HAT) systems that beam the teacher's voice directly to ear receivers. Use of HAT requires a Functional Listening Evaluation by the audiologist to determine need and how use of a system impacts a student’s auditory access and comprehension.

Classroom Accommodations

Written outlines, extended test time, closed captioning, and quiet study areas.

Multidisciplinary Team

Coordinate care with the Educational Audiologist, SLP, Psychologist, and Teachers.

Recommended Reading

Books & Guides for Parents

"Like Sound Through Water"

By Karen Foli • A mother's journey navigating APD diagnosis, school advocacy, and family life.

"When the Brain Can't Hear"

By Dr. Teri James Bellis • Unraveling the mystery of Auditory Processing Disorder.

"The Mismatch"

By Dr. Denise Yates • Understanding auditory processing challenges in young children.

CDE APD Guidelines

cde.state.co.us

Colorado Dept. of Education state framework and technical guidance for APD.

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Key Parent Takeaway:

APD is a deficit in how the brain interprets sound, not a hearing loss. With environmental modifications, targeted interventions, and school collaboration, students with APD thrive academically and socially.

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Douglas County School District • Audiology Department

2026–2027 Audiologists & School Coverage

Lorrie Baptiste, Au.D

lorrie.baptiste@dcsdk12.org

303-681-1606 • Fax: 303-387-0830

Highlands Ranch

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Elementary

Bear Canyon Elementary

Copper Mesa Elementary

Coyote Creek Elementary

Golden Ridge Elementary

Mountain Peak Elementary

Roxborough Primary

Roxborough Intermediate

Sand Creek Elementary

Stone Mountain Elementary

Trailblazer Elementary

Middle School

Mountain Ridge Middle

Ranch View Middle

High School

Mountain Vista High

Thunder Ridge High

Charter & Special

Ben Franklin Academy

Plum Creek Academy

STEM School & Academy

Sky View Academy Charter

Alison Eloriaga, Au.D

alison.eloriaga@dcsdk12.org

720-202-3333 • Fax: 303-387-0830

Highlands Ranch / Parker

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Elementary

Arrowwood Elementary

Cougar Run Elementary

Mammoth Heights Elem.

Northridge Elementary

Pine Lane Elem. North

Pine Lane Elem. South

Middle School

Cresthill Middle School

Sierra Middle School

High School

Chaparral High School

Charter & Special

Parker Performing Arts

Platte River Academy

Cara Fiske, Au.D

cara.fiske@dcsdk12.org

720-660-1982 • Fax: 720-433-0021

Castle Rock

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Elementary

Castle Rock Elementary

Clear Sky Elementary

Flagstone Elementary

Larkspur Elementary

Meadow View Elementary

Rock Ridge Elementary

Sage Canyon Elementary

Soaring Hawk Elementary

South Ridge Elementary

Sedalia Elementary

Middle School

Castle Rock Middle

Mesa Middle School

High School

Castle View High School

Douglas County High

Charter & Special

Academy Charter School

Aspen View Academy

Renaissance Magnet

Renaissance Secondary

World Compass Academy

Jodi Heimer, Au.D

jodi.heimer@dcsdk12.org

303-325-1421 • Fax: 303-387-0830

Highlands Ranch

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Elementary

Buffalo Ridge Elementary

Redstone Elementary

Timber Trail Elementary

Wildcat Mountain Elem.

Middle School

Rocky Heights Middle

High School

Highlands Ranch High

Rock Canyon High

Charter & Special

American Acad.-Castle Pines

DC Montessori Charter

Eagle Academy

Bridge - Lone Tree

Bridge - Project Search

DC Support

e-DCSD

Jodi Little, Au.D

jodi.little@dcsdk12.org

303-681-8652 • Fax: 720-433-0021

Parker

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Elementary

Frontier Valley Elementary

Gold Rush Elementary

Iron Horse Elementary

Pioneer Elementary

Middle School

Cimarron Middle School

High School

Legend High School

Charter & Special

Parker Core Knowledge

Vale High School

Bridge - Legacy

Bridge - Parker

Cloverleaf Home Ed. Hope

Cloverleaf Home Ed. Grace

Hope Online

Lois Look, M.A.

lois.look@dcsdk12.org

720-660-3872 • Fax: 720-433-0021

Parker / Castle Rock

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Elementary

Cherry Valley Elementary

Cherokee Trail Elementary

Eagle Ridge Elementary

Franktown Elementary

Legacy Point Elementary

Mountain View Primary

Northeast Intermediate

Pine Grove Elementary

Prairie Crossing Elementary

Silver Spruce Elementary

Middle School

Sagewood Middle School

High School

Ponderosa High School

Charter & Special

Amer. Acad.-Lincoln Meadows

Amer. Acad.-Motsenbocker

Challenge to Excellence

Global Village Academy

Lone Tree Elementary

Leman Acad. of Excellence

North Star Academy Charter

Bridge - Park Meadows

Daniel C. Oakes High

ECC Preschools