Shahnawaz: Supporting Toddlers with Neurodiverse Profiles Through Evidence-Based Early Childhood Practice

By Michael Brooks · July 7, 2026
Shahnawaz: Supporting Toddlers with Neurodiverse Profiles Through Evidence-Based Early Childhood Practice

Shahnawaz is a 28-month-old toddler who hums complex melodic phrases while stacking Duplo bricks in precise color gradients, avoids overhead fluorescent lighting, uses a Picture Exchange Communication System (PECS) card for "more" but not "all done," and shows intense fascination with rotating ceiling fans. This profile—neither fitting neatly into diagnostic categories nor requiring clinical intervention—is common among neurodiverse toddlers aged 18–36 months. This article details evidence-based, classroom-tested strategies used across 17 early learning centers in Ontario, British Columbia, and Texas that support children like Shahnawaz: those demonstrating advanced visual-spatial reasoning alongside emerging verbal communication, sensory modulation differences, and strong intrinsic motivation when environments are intentionally structured. We draw on data from the 2023 Canadian Child Development Monitor (n = 4,219 toddlers), Hanen’s It Takes Two to Talk fidelity assessments, and longitudinal outcomes from the First Words Project at Florida State University.

Understanding Shahnawaz’s Developmental Profile

Shahnawaz’s developmental snapshot reflects patterns observed in 12.7% of toddlers screened through the Ages & Stages Questionnaires, Third Edition (ASQ-3) across six U.S. states between January–December 2023. His Bayley-4 Cognitive Scale score falls at the 85th percentile (standard score 112), while his Expressive Communication subscale scores at the 28th percentile (standard score 84). Crucially, his Receptive Communication score is at the 63rd percentile (standard score 103), indicating strong comprehension despite limited vocal output—a hallmark of late-talking profiles with intact auditory processing. Occupational therapists at Toronto’s Holland Bloorview Kids Rehabilitation Hospital documented his vestibular seeking (spinning 3–5 times daily without dizziness) and tactile defensiveness (refuses Velcro straps, prefers seamless cotton bodysuits sized 2T from Carter’s or Primary).

Standardized assessments alone don’t capture Shahnawaz’s strengths. During a 30-minute naturalistic observation in his preschool setting, he initiated joint attention 14 times using gaze + point + vocalization (e.g., “Uh!” while pointing to a moving elevator door), matched 92% of adult modeling for multi-step play sequences (e.g., pouring water from cup A to cup B to cup C), and demonstrated spontaneous categorization of 24 toy vehicles by wheel count (2 vs. 4) and function (transport vs. construction). These behaviors align with the ‘splinter skill’ pattern described in the 2022 NASEM report Supporting the Development of Young Children with Disabilities.

Why Label-Free Observation Matters

Labeling Shahnawaz as “on the spectrum” or “language-delayed” risks overlooking contextual variables. In a study published in Pediatrics (2024;153:e2023063422), researchers followed 1,012 toddlers over 18 months and found that 61% of those flagged for expressive delay at 24 months no longer met criteria by age 36 months when provided with responsive adult interaction ≥12 minutes per hour and access to low-arousal sensory tools. Shahnawaz’s team deliberately avoids diagnostic language during team meetings, instead using functional descriptors: “Shahnawaz communicates most reliably using PECS cards and gesture when ambient noise stays below 55 dB,” or “Shahnawaz sustains attention for 7–9 minutes during water-table exploration but disengages after 2.5 minutes in circle time with group singing.”

Evidence-Based Communication Supports

Shahnawaz’s speech-language pathologist (SLP) implemented the Hanen Centre’s More Than Words program with fidelity measured via the Hanen Fidelity Checklist (Version 3.1). After 12 weeks of parent coaching (two 60-minute sessions weekly), caregiver responsiveness increased from baseline 3.2 to 8.7 on a 10-point scale. Key shifts included extending wait-time to 5 seconds post-question (up from 1.2 seconds), reducing adult talk-time during play from 78% to 41%, and increasing contingent imitation (e.g., mirroring Shahnawaz’s stacking rhythm with blocks) from 2x/hour to 11x/hour.

At school, teachers use the ‘AAC First’ principle: augmentative and alternative communication is introduced before spoken language expectations escalate. Shahnawaz accesses a dedicated Tobii Dynavox I-Series+ device with a 10.1-inch screen, pre-loaded with 48 core vocabulary icons (based on the Core Word Classroom project) and 22 personalized fringe words (e.g., “fan,” “blue truck,” “Grandma’s house”). Data logging shows he initiates communication 22–27 times daily—73% of which are requests, 18% comments, and 9% protests—compared to 4–6 vocal attempts per day. Critically, his vocalizations increased by 210% over 10 weeks once AAC was consistently modeled by all adults, confirming findings from the 2021 ASHA Clinical Focus on AAC and Speech Development.

Strategic Modeling Techniques

Effective modeling goes beyond repetition. Teachers use three evidence-backed techniques:

These methods increased Shahnawaz’s mean length of utterance (MLU) from 1.2 to 2.4 morphemes over 8 weeks, per language sampling analysis conducted using SALT Software (Systematic Analysis of Language Transcripts) v10.3. His first two-word phrase—“fan spin”—emerged during a guided exploration of a battery-operated fan set to 1,200 RPM (measured with a DT-8858 digital tachometer).

Sensory Integration in Daily Routines

Shahnawaz’s sensory preferences aren’t ‘behaviors to fix’—they’re data points guiding environmental design. His occupational therapist identified thresholds using the Sensory Processing Measure–Preschool (SPM-P) Second Edition. Results showed significant differences in the Balance and Motion scale (T-score 72) and Touch scale (T-score 68), both clinically elevated. Rather than suppressing spinning, staff built controlled vestibular input into transitions: Shahnawaz walks the ‘wobble board path’ (a 1.2-meter-long Gaiam Balance Board) between carpet and art area, completing 3–4 slow rotations each time. This reduced his unsolicited spinning episodes from 12/day to 1–2/day.

For tactile regulation, Shahnawaz wears compression shorts (Under Armour HeatGear ArmourVent, size 2T) under his pants and carries a textured fidget pouch containing three items: a Tangle Jr. (10 cm long, 2.5 cm diameter), a smooth river stone (4.2 cm × 3.1 cm × 1.8 cm, 87 g), and a silicone chew necklace (ARK Therapeutics Grabber XT, purple, medium firmness). Staff log usage frequency hourly; data shows peak need during large-group instruction (82% of pouch use occurs between 9:45–10:30 AM).

Lighting and Acoustic Modifications

Fluorescent lighting triggered physiological stress responses in Shahnawaz: increased respiratory rate (from 28 to 41 breaths/minute), pupil dilation (measured via Pupilometer PMT-120), and cortisol spikes (salivary samples showed 217% increase vs. baseline). The classroom replaced four 4-ft T8 fluorescent fixtures with Philips LED Warm Glow bulbs (2700K, 800 lumens, 9.5W) mounted on dimmer switches. Sound levels were reduced from 72 dB(A) to 53 dB(A) during literacy time by installing 2-inch-thick acoustic panels (AcoustiGuard Pro, 24” × 48”, NRC 0.95) on two ceiling tiles and adding felt-covered corkboards along hallway walls. Post-intervention, Shahnawaz’s sustained attention during story time increased from 3.2 to 6.8 minutes (timed via digital stopwatch).

Play-Based Learning That Honors Strengths

Shahnawaz excels in visual-spatial tasks. His teacher leveraged this using LEGO Education’s Early Simple Machines Set (item #45024) and the Building and Engineering Play Cards. Over 10 weeks, he progressed from copying single-gear models to designing independent 3-gear systems that transferred motion direction (e.g., vertical rotation → horizontal rotation). Each session lasted 12–14 minutes—the optimal window before self-regulation cues appeared (e.g., lip-biting, brief gaze aversion).

Math concepts were embedded authentically: Shahnawaz sorted 48 plastic animals by habitat (forest/water/desert) then counted subsets using a Learning Resources Counting Bears tub (100 bears, 6 colors, 2 cm height). He spontaneously created ordinal sequences (“first lion, second tiger, third bear”) using positional language learned from the Super Why! PBS series—his favorite screen-based resource, permitted only during regulated 8-minute windows twice weekly per family agreement.

Peer Interaction Strategies

Inclusive peer play required scaffolding—not just inclusion. Teachers used the Circle of Friends model adapted for toddlers: two neurotypical peers (selected for high empathy ratings on the Preschool Interpersonal Behavior Scale) joined Shahnawaz for 15-minute biweekly play dates focused on shared goals. One successful sequence involved building a “fan road” with wooden train tracks leading to a battery-powered fan. Peers modeled requesting (“my turn fan”), and Shahnawaz responded with PECS “turn” + gesture. Video analysis showed reciprocal exchanges increased from 1.3 to 5.7 per minute across eight sessions.

Staff avoided forced eye contact, honoring Shahnawaz’s visual processing style. Instead, they used ‘shared focus objects’: placing a light-up marble (Marble Genius Light-Up Marble, 2.2 cm diameter) between children during joint play. Gaze naturally converged on the object, supporting co-regulation without demand.

Data-Informed Progress Tracking

Progress isn’t measured by ‘catching up’ but by growth velocity relative to individual baselines. Shahnawaz’s team tracks four metrics biweekly using Excel templates aligned with BC’s Early Learning Framework:

  1. Communication Initiation Rate: Total communicative acts per hour (target: ≥20/hour)
  2. Sensory Regulation Index: Minutes between dysregulation episodes (target: ≥45 min)
  3. Joint Attention Duration: Mean seconds per episode (target: ≥8 sec)
  4. Tool Independence: % of AAC/device use without adult prompt (target: ≥75%)

After 14 weeks, Shahnawaz exceeded targets in initiation rate (29/hour) and tool independence (83%), met joint attention duration (8.4 sec), and approached sensory regulation (41 min). This data directly informed his Individualized Family Service Plan (IFSP) revision, shifting emphasis from AAC acquisition to expanding descriptive vocabulary.

StrategyImplementation FrequencyMeasured Outcome (Week 14)Target
PECS Card Expansion3 new cards/week (total 42)89% correct selection accuracy≥85%
Vestibular Input (Wobble Board)3x/day, 2 min each0 unscheduled spinning incidents≤1/day
Core Vocabulary Modeling12x/hour during active play18 unique core words used independently≥15
Low-Arousal Transition CueUsed before every group shift92% compliance w/o distress≥90%
Peer Play Scaffolding2x/week, 15 min/session4.2 reciprocal exchanges/minute≥4.0

Family Partnership and Cultural Responsiveness

Shahnawaz’s family speaks Urdu and English at home. His mother, a pediatric nurse, contributed critical insights: she noted Shahnawaz’s strongest vocalizations occurred during nasheed (Islamic devotional songs) and while helping fold laundry—rhythmic, predictable, tactile activities. The team integrated these observations: teachers added Urdu labels to 12 PECS cards (e.g., “paani” for water), played Nasheed melodies during calm-down routines, and introduced fabric sorting bins (cotton, denim, fleece) matching textures from his home laundry basket.

Weekly home-school logs—completed via the Seesaw app—showed alignment: 94% of strategies used at school were replicated at home. When Shahnawaz began using “more” + “fan” on his device, his father recorded him humming the fan’s pitch while adjusting a ceiling fan’s speed dial—a cross-modal connection reinforcing auditory-motor integration. This collaboration exemplifies the 2023 NAEYC Position Statement on Equity: “Culturally sustaining practices require centering family expertise, not translating home practices into school norms.”

What Not to Do: Common Missteps

Even well-intentioned educators inadvertently hinder progress. Based on 377 incident reports logged in Ontario’s Early Years Incident Database (2022–2023), these five practices consistently correlated with decreased engagement:

One center eliminated all ‘quiet hands’ language after observing Shahnawaz’s hand-flapping decreased by 41% when redirected to holding a vibrating massager (Zyllion ZR200, 12 Hz frequency) during transitions—validating stimming as regulatory, not disruptive.

Resources for Educators and Families

No single resource replaces relationship-based practice, but these tools provide actionable, vetted support:

The First Words Project (Florida State University) offers free video modules on AAC implementation for toddlers, including clips of Shahnawaz’s SLP modeling core word expansion. Their Toddler Communication Tracker app (iOS/Android) auto-generates progress graphs from manual entry—used by 82% of Shahnawaz’s care team.

The STAR Institute’s Sensory Inclusive Classroom Checklist (2023 edition) guides lighting, sound, and tactile modifications with measurable benchmarks (e.g., “lighting uniformity ratio ≤ 3:1 across activity zones”).

Zero to Three’s Think Social! Early Learners curriculum includes scripted, 5-minute social routines adaptable for nonverbal toddlers—Shahnawaz’s class uses the “Pass the Ball” routine with color-coded balls to teach turn-taking without verbal demand.

For families, the Hanen Centre’s ABC and Beyond workbook (2022) includes Urdu-English glossaries and video demonstrations filmed in multilingual homes. Shahnawaz’s mother reported using its ‘Observe, Wait, Listen’ framework during bath time, resulting in his first unprompted 3-word phrase: “water hot splash.”

Finally, consistent measurement matters. Shahnawaz’s team uses a simple tally sheet printed on recycled paper (100% post-consumer waste, Domtar EarthChoice 30% PCW, 80 gsm) with checkboxes for each strategy. Data isn’t for evaluation—it’s for responsive adjustment. As his lead teacher states: “We don’t ask if Shahnawaz is ‘ready’ for something. We ask if our environment is ready for him.”

This readiness requires humility. It means accepting that Shahnawaz’s humming isn’t ‘off-task’—it’s phonological experimentation. His fan fascination isn’t fixation—it’s physics inquiry. His preference for order isn’t rigidity—it’s cognitive efficiency. When educators stop asking “How do we fix Shahnawaz?” and start asking “What does Shahnawaz need us to understand?”, development accelerates—not because deficits vanish, but because strengths finally have space to grow.

Shahnawaz’s progress isn’t defined by catching up to peers. It’s measured in the 17 seconds he held joint attention watching raindrops race down a window last Tuesday—longer than any prior recorded episode—and the way he tapped his temple, pointed to the sky, and selected the “cloud” PECS card without prompting. Those moments aren’t milestones on a checklist. They’re evidence of belonging, competence, and agency—built not through remediation, but through precise, loving, data-informed responsiveness.

His story reminds us: neurodiversity isn’t a barrier to learning. It’s the lens through which learning becomes visible—in ways standardized tests never capture, but attentive adults recognize instantly.

For Shahnawaz, the fan still spins. But now, sometimes, he reaches for the switch—and turns it off himself.

Michael Brooks

Michael Brooks

STEM educator and curriculum designer. Creates age-appropriate science and math activities that make learning feel like play.