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ASD — Description Neurological disorder with challenges in communication and social interaction. Early theories wrongly blamed parents. Prevalence has risen to 1 in 36. ASD is a major public health concern.
Before DSM-5 — Separate Diagnoses Before 2013, autism was defined by three separate diagnoses: Autism, Asperger’s Syndrome, and Pervasive Developmental Disorder-Not Otherwise Specified (PDD-NOS).
Autism (pre-DSM-5) Abnormal or impaired development in social interaction and communication skills, requiring 6 or more difficulties noted in social interaction, communication, or repetitive stereotyped behaviors.
Asperger’s Syndrome (pre-DSM-5) No delays in language, cognition, or adaptive/self-help skills, but impairment in social interaction and restricted behavior patterns; motor clumsiness may be present.
PDD-NOS (pre-DSM-5) Severe impairment in the development of reciprocal social interaction not meeting criteria for other specific ASD diagnoses.
DSM-5 Criteria Overview Diagnosis requires difficulties in social emotional reciprocity, nonverbal communication (e.g., abnormal eye-contact, body language), and deficits in developing and maintaining relationships.
DSM-5 Restricted and Repetitive Behaviors (RRBIs) Individuals must demonstrate at least two of four types: repetitive behaviors, rigid routines, highly restricted interests, or unusual sensory reactivity.
RRBI Type 1 — Repetitive Behaviors Includes stereotyped speech, repetitive motor movements, echolalia, or repetitive use of objects.
RRBI Type 2 — Rigid Routines Rigid adherence to routines, ritualized patterns, or extreme resistance to change.
RRBI Type 3 — Restricted Interests Highly restricted interests with abnormal intensity or focus (e.g., strong attachment to unusual objects).
RRBI Type 4 — Sensory Reactivity Increased or decreased reactivity to sensory input or unusual interest in sensory aspects of the environment.
ASD Severity Levels Overview Severity is categorized based on the required level of support, ranging from Level 1 (Requires Support) to Level 3 (Requires Very Substantial Support).
Level 1 — Requires Support Deficits in social communication; lack of flexibility in routines or habits; difficulty with transitions, organization, and planning.
Level 3 — Requires Very Substantial Support Severe deficits in verbal and non-verbal social communication severely limiting interactions with others; extreme difficulty coping with change.
Occupational Performance Impacts Overview ASD affects multiple domains of occupational performance including social participation, play, ADLs/IADLs, sleep, and education.
Social Participation Impacts Difficulties with social interaction and friendships, social isolation, and limited romantic relationships.
Play Impacts Play may be atypical in type, quality, and complexity; often lacks pretense and may include uncommon use of objects and sensory seeking.
ADLs/IADLs Impacts Common issues include limited diets, fear of toileting, and distress over hygiene or dressing tasks.
Sleep Impacts Difficulties falling or staying asleep are very common and can negatively affect parental sleep.
Education Impacts Children with ASD show a wide range of academic performance; social or behavioral struggles often affect classroom learning.
Performance Skills — Sensory Unusual sensory responses and sensory processing impairments are common.
Performance Skills — Cognitive Difficulty switching attention, impulse control, and taking others’ perspectives into account.
Performance Skills — Motor Clumsiness, delayed motor milestones, dyspraxia, and motor planning difficulties.
OT Role Overview The OT’s role is to promote full participation in occupations for the child and family. OT is the third most common intervention requested for ASD.
OT Evaluation Approach Evaluation must be comprehensive, strengths-based, and family-focused. OTs assess unusual behaviors, safety concerns, and escapism.
OT Intervention Focus Intervention may be adult-directed and structured, or child-directed, playful, and naturalistic. Evidence-based practice is critical.
Intervention — Social & Communication Supports Includes social supports, behavioral strategies (e.g., Social Stories, visual/auditory supports), and programs like PEERS using CBT principles in parent-assisted social skills groups.
Intervention — Cognitive (CO-OP) The Cognitive Orientation to Daily Occupational Performance approach uses a problem-solving strategy called Goal-Plan-Do-Check to improve functional performance.
Intervention — Structured Teaching (TEACCH) The UNC TEACCH Program uses Structured TEACCHing: external organizational supports, individualized schedules, work systems, and visual structure of materials to promote flexibility, independence, and meaningful engagement.
Intervention — Early Start Denver Model (ESDM) Behavioral intervention for children 12–48 months with ASD that integrates developmental, play-based, and relationship-based principles using ABA methods.
Intervention — Floor-Time (DIR) Family-centered, naturalistic play-based intervention focused on following the child’s lead and expanding interaction through shared engagement and emotional connection.
Childhood Mental Health and OP Overview Approximately 13.4% of children and adolescents have mental health conditions that interfere with daily occupations.
Neurodevelopmental Disorders Overview Include Intellectual Disabilities (ID), Autism Spectrum Disorder (ASD), ADHD, and Specific Learning Disorders.
Intellectual Disabilities Definition Defined by deficits in adaptive behavior, academic performance, and adaptive function.
Intellectual Disabilities — Severity Levels Mild (IQ 50–70), Moderate (IQ 35–55), Severe (IQ 20–35/40), and Profound (IQ below 25).
ADHD Description Characterized by inattention, hyperactivity, and impulsivity that interfere with function and participation.
ADHD — Inattention Includes disorganization, distractibility, and avoidance of effortful work.
ADHD — Hyperactivity Includes fidgeting, excessive movement, or difficulty staying seated.
ADHD — Impulsivity Includes interrupting, difficulty waiting turns, and acting without thinking.
Other Childhood Mental Health Conditions Include Anxiety Disorders, Obsessive-Compulsive Disorder (OCD), Conduct Disorders, and Post-Traumatic Stress Disorder (PTSD).
Obsessive Compulsive Disorder (OCD) Characterized by compulsions and ritualized behaviors such as handwashing or checking.
PTSD and Adverse Childhood Experiences (ACEs) ACEs and trauma can disrupt emotional regulation and alter neural pathways, impacting occupational performance.
Mental Health Evaluation Overview Evaluation includes collecting the Occupational Profile, analyzing performance, and synthesizing information across motor, process, and social domains.
Standardized Evaluation Tools Common tools include the BRIEF (Executive Function), CDI (Children’s Depression Inventory), and the Sensory Profile.
Executive Function (EF) Focus Intervention often targets EF: sustaining/shifting attention, inhibition, memory, self-regulation, and emotion modulation.
CO-OP Approach Client-centered cognitive behavioral approach using the Goal–Plan–Do–Check framework to guide skill learning and problem solving.
Emotional Regulation Strategies Include deep breathing, self-talk, mental imagery, and sensory techniques to reach the “Just Right Level of Arousal.”
Zones of Regulation Program Developed by Leah Kuypers, OT; uses four colored zones (Blue: low alertness, Green: regulated, Yellow: heightened but controlled, Red: extremely heightened/loss of control).
Behavioral Approaches Focus on positive reinforcement and behavioral mapping (detailing behavior, its impact on others, and response).
Social Thinking Curriculum Teaches social cognition and self-management using concepts like Superflex (flexible thinker) vs. Rock Brain (rigid thinker).
Problem-Solving Strategies Overview Include Social Autopsies and SOCCS (Situation, Options, Consequences, Choices, Strategies, Simulation).
Role of OT in Mental Health OTs address emotional regulation, executive functioning, and social participation to enhance engagement in meaningful occupations.
Hand Development Overview Hand development progresses from proximal to distal, requiring postural stability and wrist stabilization. Important components include hand arches and web space.
In-Hand Manipulation Skills Include translation, shift, and simple or complex rotation needed for object manipulation and handwriting.
Handwriting Evaluation Focus Evaluations examine legibility and speed by assessing spacing, placement on the line, sizing, near/far point copying, dictation, and composition.
The Print Tool Overview Formal assessment for ages 6+, evaluates 7 components: Memory, Orientation, Placement, Size, Start, Sequence, and Spacing.
The Print Tool — Orientation Refers to facing letters and numbers in the correct direction.
The Print Tool — Start Refers to where each letter begins; children should avoid starting from the bottom of the line.
Evaluation Tool of Children’s Handwriting (ETCH) Criterion-referenced test for grades 1–6 measuring handwriting legibility and speed across various writing tasks.
Test of Handwriting Skills-Revised (THS-R) Norm-referenced test assessing manuscript and cursive writing through dictation, copying, and writing the alphabet from memory.
Instructional Handwriting Curriculums Common approaches include D’Nealian, Zaner-Bloser, and Handwriting Without Tears.
Benefits of Vertical Writing Surfaces Using an easel or chalkboard encourages mature grasp, improved web space, and greater hand arching.
Visual Information Processing (VIP) Definition The process responsible for the reception and cognitive interpretation of visual stimuli.
VIP Major Skill Areas Includes Visual Spatial skills, Visual Analysis skills, and Visual Motor Integration (VMI).
Visual Analysis Skills Definition Enable the child to analyze and discriminate visually presented information accurately.
Visual Discrimination The ability to notice similarities and differences between objects or symbols.
Figure-Ground Discrimination The ability to focus on relevant visual information while filtering out background distractions.
Visual Closure Recognizing a complete figure or object when only a fragment is visible.
Visual Memory Remembering a visual image or pattern after a short delay.
Form Constancy Mentally recognizing and manipulating a figure in different orientations or positions.
Visual Motor Integration (VMI) Definition The ability to integrate visual information with fine motor movement, essential for handwriting and eye-hand coordination.
VMI Difficulty Red Flags Include letter reversals, poor line awareness, difficulty copying written work, and general clumsiness.
Assistive Technology (AT) Definition The WHO defines AT as enabling people to live healthy, productive, independent, and dignified lives and to participate in education, work, and civic life. AT reduces need for health/support services; without AT, people may be isolated and excluded.
Accessible Education Materials (AEM) Definition Materials and technologies usable regardless of format or features. They may be accessible from the start or made accessible for learners with disabilities.
AT — Categories Overview AT is commonly categorized by technology complexity: low-tech, mid-tech, and high-tech devices.
Low-Tech AT Examples Include communication boards, pencil-and-paper devices, built-up handles, graphic organizers, page protectors, and enlarged size materials.
Mid-Tech AT Examples Include screen magnifiers, adapted seating, audiobooks, adapted keyboards, word prediction software, and adapted switches.
High-Tech AT Examples Include power wheelchairs, specialized computer software, Augmentative and Alternative Communication devices (AAC), Smartboards, and iPads.
AAC Overview Alternative and Augmentative Communication (AAC) supports communication using unaided or aided methods.
AAC — Unaided Uses the child’s body: vocalizations, gestures, facial expressions, sign language, eye gaze, and pointing.
AAC — Aided Uses non-electric or electronic aids such as Picture Exchange Communication Systems (PECS) or speech generating devices.
AT Evaluation Approach OTs collaborate with the educational team to evaluate, select, implement, and train on AT. Evaluations should be ongoing, team-conducted, and include device trials in natural settings.
AT Evaluation Frameworks Frameworks following PEOP include HAAT, SETT (school settings), MPT, and WATI.
AT Evaluation — Motor, Sensory, and Perceptual Assess ability to access AT, positioning, strength, endurance, use of both hands, and identification of objects by feel.
AT Evaluation — Cognitive/Communication Consider attention span, cognitive level, sequencing, cause/effect understanding, and language/written communication skills.
AT Evaluation — Psychosocial/Motivation Assess what the child enjoys, how they indicate wants/needs, and whether the device enables new capabilities.
AT Evaluation — Context Consider where the device will be used, optimal positioning, portability, and available supports in different environments.
AT Device Procurement Securing funding through grants, Medicaid, private insurance, nonprofits, schools, or state agencies; requires letters of justification and assessment summaries.
Assistive Writing Technology Overview Supports prewriting, drafting, reviewing/editing, and sharing/publishing.
Writing — Prewriting Use graphic organizers to support planning.
Writing — Drafting Use word processing or word prediction software.
Writing — Reviewing and Editing Use text-to-speech tools and talking word processors.
Writing — Sharing/Publishing Use word processing software.
Writing Tools & Environmental Adaptations Include preferential seating, lighting, adapted paper, stamps, labels, weights, splints, clipboards, and Dycem.
Digital Writing Tools Include portable spell checkers, grammar checkers, portable word processors, electronic pens (Echo), and handheld scanners.
Computer Access Solutions Include keyboard aids, mouse alternatives, alternate keyboards (on-screen or switch-activated), and voice recognition software.
Sensory Integration (SI) Definition SI is the neurobiological process where the brain organizes sensory information to produce an Adaptive Response (successful, goal-directed action). Lack of adaptive response can disrupt daily activities and participation.
Vestibular Input Overview Senses gravity, head position, and movement (linear/rotation). Provides postural control and body position awareness; rotary/angular input is alerting, linear input is calming/organizing.
Proprioception Overview Traction, compression, and muscle contraction provide body awareness, guide force/intensity of movements, and support skilled motor control.
Tactile Input Overview Involves texture, pressure, and light touch; guides fine motor skills and initiates motor and social behaviors.
Sensory Reactivity (Modulation) Difficulties Hypersensitivity or hyposensitivity to sensory stimuli.
Gravitational Insecurity Over-responsiveness to vestibular input; excessive fear during ordinary movement or fear of heights/head movement.
Postural Insecurity Fear of full-body movement due to limited postural stability.
Praxis / Dyspraxia Difficulty conceptualizing, planning, and executing movements.
Proprioception Difficulties Children may appear clumsy, overuse force, break objects, or misjudge personal space.
Precautions for SI Negative reactions to sensory input may not appear for hours (up to 12); children may not recognize when they’ve had enough vestibular input.
Ayres Sensory Integration (ASI) Intervention Overview Systematic sensory input elicits adaptive responses; registration of meaningful sensory input is necessary before adaptive response.
ASI Core Fidelity Elements Includes safety, 2–3 sensory opportunities, supporting sensory modulation, challenging motor skills and praxis/organization, providing the Just Right Challenge, and promoting intrinsic motivation and play.
Just Right Challenge (JRC) Definition Matches the child's developmental skill, provides a reasonable challenge, engages/motivates the child, and can be mastered with focused effort; intensity, duration, speed, complexity, or position can be adjusted.
Sensory Diet (SD) Definition A variety of organizing, calming, and alerting activities occurring at structured times in the child’s schedule; uses Heavy Work (HW), Deep Pressure (DP), Proprioceptive, and Vestibular input.
Organizing Input Decreases over-responsivity using rhythm, proprioception, linear vestibular input; heavy work is both alerting and organizing.
Alerting Activities Include rapid input, quick tempos, fast spinning/rotation, sour/spicy/cold flavors, and fast-moving bright visuals.
Calming Input Slow, steady, rhythmic, predictable input; firm steady pressure (massage, bear hugs, heavy blankets); bland/sweet flavors; slow linear movements.
Heavy Work Examples (School) Washing desks, arranging desks, carrying books, using manual pencil sharpener, or taking a chewy/crunchy food break.
Pediatric Feeding Overview Feeding is a fundamental ADL; feeding difficulties affect 25–45% of typically developing children and up to 80% of children with developmental disabilities.
Swallowing Overview Swallowing requires coordination of 31 muscles and 6 cranial nerves; serves nutritive purposes and protects the lower airways.
Infant Anatomy Infants have a small oral cavity, a large tongue housed entirely within it, buccal pads, and a higher larynx (C1–C3) compared to adults.
Feeding Developmental Progression Nipple feeding (0–6 months), spoon-feeding/purees (4–6 months), chewing (primitive munching at 5–6 months, later mature biting), self-feeding, and cup management.
Oral Preparatory Stage Voluntary phase: Food introduced, lips seal, bolus formed and moved to grinding surfaces.
Oral Transport/Propulsive Stage Voluntary phase: Mastication stops; tongue elevates to hard palate, moving bolus toward pharynx.
Pharyngeal Swallow Stage Involuntary phase: Soft palate elevates, respiration reflexively ceases, vocal folds close, larynx moves up/forward, pharyngeal constrictors propel bolus.
Esophageal Swallow Stage Involuntary phase: Peristaltic contractions and gravity move bolus to stomach in 10–20 seconds.
Clinical Swallow Evaluation (CSE) Overview Starting assessment for safe/effective swallowing without imaging; includes pre-eval chart review, caregiver/child interview, direct assessment, screenings, and counseling/recommendations.
CSE — Red Flags Overview May indicate need for instrumental assessment or medical referral.
Red Flag — Pharyngeal Dysphagia Suggested by throat clearing, effortful swallowing, or coughing.
Red Flag — GI Referral Indicated for gastroesophageal reflux (GER), food allergies, or esophageal dysmotility.
Red Flag — ENT Referral Indicated for upper airway obstruction concerns, such as snoring, hyponasal resonance, or open jaw/lip at rest.
Instrumental Assessment — VFSS Video Fluoroscopic Swallow Study uses barium and X-ray to evaluate oral preparatory, oral transport, and pharyngeal stages.
Feeding Recommendations Include a Feeding Plan (daily nutrition/efficiency strategies) and a Treatment Plan (skill development, strength, coordination).
Feeding Clinics Team Often staffed by Speech-Language Pathologists (SLP) and Occupational Therapists (OT).
NICU Practice Overview NICU OT is a specialty requiring advanced knowledge; generally not recommended for OTAs or entry-level OTs due to high-risk, complex interventions.
NICU Care Models Most commonly used is the Neonatal Integrative Care Model (IDC), expanded from the NIDCAP program.
NICU Environment Loud/mechanical sounds, bright lights, invasive tactile input, rapid position changes; OT protects fragile neonates from excessive or inappropriate sensory input.
NICU OT Focus — Physiological Stability Identify stress signs (pauses, mottled color, tremors) versus stability (smooth breathing, pink color, clear states).
NICU OT Focus — Positioning Prevents deformities, simulates contained/flexed midline posture of utero; improves sleep.
NICU OT Focus — Feeding Oral feeding (nutritive sucking) requires complex coordination of sucking, swallowing, and breathing.
Early Intervention (EI) Overview Services for children birth to 3 years, mandated by IDEA Part C, delivered in the child’s natural environment.
EI Eligibility Children with medical diagnoses automatically eligible; children with suspected delays evaluated within 45 days of referral by multidisciplinary team.
Individualized Family Service Plan (IFSP) Legal document outlining care plan; outcomes must be functional, contextualized, jargon-free, and discipline-free.
EI Intervention Approach Family-centered services using Coaching Families model: observe, act, reflect, evaluate; addresses self-care, adaptive behavior/play, sensory/motor/postural needs.
EI Transition Planning Begins at age 2; transition to school-based special education (IEP) on 3rd birthday if eligible.
School-Based Practice (SBP) Overview OT is a Related Service Provider under IDEA Part B (ages 3–21), supporting access to special education.
SBP Key Concept — Least Restrictive Environment (LRE) Children with disabilities educated with non-disabled peers to the maximum extent appropriate; OT integrates services in classroom/playground.
SBP Key Concept — IEP Blueprint for services including Present Levels of Performance, Measurable Goals, Special Education & Related Services, Supplementary Aids/Services (including AT), and Transition Plan (starting by age 16 or 14 in some states).
SBP Key Concept — Section 504 Provides accommodations for students not eligible for IDEA but requiring support; OT-only services possible under a 504 plan.
SBP Key Concept — Workload vs Caseload Focus on workload (total activities for effectiveness) rather than number of children served; includes hands-on service, collaboration, documentation.
SBP Key Concept — RtI/MTSS OTs support all three tiers: Tier 1 (universal), Tier 2 (targeted), Tier 3 (intensive individualized interventions).
Hospital & Outpatient Services Overview OT evaluation requires physician orders; tools include PEDI-CAT and Wee-FIM II; specialty inpatient/outpatient care.
Hospital OT Intervention Approaches — Create/Promote Enhance engagement in meaningful activities.
Hospital OT Intervention Approaches — Establish/Restore Regain or maintain ROM, strength, or function.
Hospital OT Intervention Approaches — Modify/Adapt Alter task method, equipment, or environment (visual schedules, adaptive equipment, lighter tools).
Hospital OT Intervention Approaches — Prevent Education to family and child to prevent future difficulties.
Specialty Unit — Burn Units Focus on splinting to maintain ROM, therapeutic activity, and ADL retraining.
Specialty Unit — TBI Initial focus on sensory stimulation, ROM, positioning, splinting; later focus on ADLs/IADLs, perceptual skills, executive functioning, and community re-entry.
Specialty Unit — Oncology Palliative focus on energy conservation, positioning, coping skills, and age-appropriate play participation.
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