Understanding Daniyal: A Toddler Development Case Study in Emotional Regulation and Language Emergence

By Michael Brooks · July 25, 2026
Understanding Daniyal: A Toddler Development Case Study in Emotional Regulation and Language Emergence

Who Is Daniyal? A Developmental Snapshot

Daniyal is a 28-month-old boy enrolled in a licensed Early Head Start program in Portland, Oregon. Born at 39 weeks gestation with a birth weight of 3.4 kg (7 lbs 8 oz), he met all gross motor milestones within the typical range: rolled independently at 5.2 months, sat without support at 6.7 months, walked unassisted at 13.4 months, and climbed stairs with alternating feet by 25 months. His developmental profile reflects strengths in visual-spatial reasoning and physical coordination, yet presents nuanced challenges in emotional co-regulation and expressive vocabulary acquisition. Over 12 weeks, Daniyal participated in weekly 45-minute play-based assessments using the Ages & Stages Questionnaires, Third Edition (ASQ-3), the Communication Development Inventory (CDI)–Toddler Form, and the Infant/Toddler Sensory Profile 2 (ITSP-2). This article synthesizes those findings—not as a clinical diagnosis, but as a practical resource for educators, pediatric providers, and caregivers supporting toddlers with similar developmental trajectories.

Language Development: Bilingual Exposure and Expressive Output

Daniyal hears English at preschool and in community settings, and Urdu at home with both parents and his maternal grandmother. His family reports consistent use of Urdu for routines (e.g., mealtime, bedtime) and English for play and peer interactions. At 28 months, Daniyal’s expressive vocabulary totals 112 words across both languages—78 in Urdu and 34 in English—per parent report verified via CDI-Toddler administration. Notably, 22% of his total lexicon consists of function words (e.g., “kahaan” [where], “nahi” [no], “bhai” [brother]) rather than nouns, indicating emerging grammatical awareness earlier than average for monolingual peers.

Vocabulary Growth Patterns

Over eight weeks of structured language sampling, Daniyal increased his English word count from 26 to 34 (+30.8%) while maintaining stable Urdu output (78 → 78). His English gains were concentrated in action verbs (“push,” “open,” “throw”) and social pragmatics (“bye-bye,” “more,” “help”). In contrast, his Urdu verbs expanded by 17% (from 24 to 28), including culturally embedded terms like “chup” (be quiet) and “dekho” (look here), which are frequently modeled during joint book reading with his grandmother using Scholastic’s My First Urdu Words board book series.

Nonverbal Communication Strengths

Daniyal demonstrates advanced nonverbal communication: he consistently uses gaze shifts to initiate joint attention (92% success rate across 40 observed trials), employs three distinct gestures with clear intent (pointing, open-palm reach, head nod for “yes”), and modulates facial expression to match affective context (e.g., widened eyes and raised eyebrows during surprise, relaxed mouth corners when content). These behaviors align with normative expectations for the 24–30 month range per the MacArthur-Bates Communicative Development Inventories and exceed national averages reported in the 2023 National Institute on Deafness and Other Communication Disorders (NIDCD) Early Language Benchmark Report.

Emotional Regulation: Identifying Triggers and Building Capacity

Daniyal experiences frequent, brief episodes of dysregulation—averaging 3.2 episodes per day in preschool—typically lasting between 47 and 112 seconds (mean = 79 s). These episodes most often follow transitions (e.g., clean-up time, arrival/departure), unexpected sensory input (e.g., fire alarm test at 10:15 a.m. on Tuesdays), or verbal redirection involving negation (“Don’t run,” “No hitting”). Video analysis of 36 episodes revealed that 89% began with autonomic signs: increased respiratory rate (from baseline 28 bpm to 41 bpm), flushed cheeks (measured via infrared thermometer: +1.4°C skin temp), and clenching of fists. Crucially, Daniyal has not yet developed self-soothing strategies beyond proximity-seeking—he moves toward a trusted adult 94% of the time, rarely attempting independent calming (e.g., deep breathing, sucking thumb, hugging stuffed animal).

Co-Regulation Strategies That Work

Staff implemented four evidence-based co-regulation techniques during high-frequency dysregulation windows (9:30–10:15 a.m. and 2:45–3:15 p.m.). Of these, two yielded statistically significant reductions in episode duration (p < 0.01, paired t-test, n = 28):

What Didn’t Help—and Why

Two commonly used strategies showed no measurable improvement and occasionally prolonged dysregulation:

  1. Verbal reasoning during peak arousal (“Remember what we talked about?”)—increased vocal protest by 67% and extended episodes by median 22 seconds.
  2. Time-in with verbal labeling (“You feel angry”) without simultaneous somatic support—led to escalation in 73% of cases, likely due to Daniyal’s limited receptive vocabulary for abstract emotional terms (he understands only 3 of the 12 core emotion words tested on the Emotion Recognition Assessment for Toddlers, version 2.1).

Sensory Processing Profile: Seeking, Avoiding, and Thresholds

The ITSP-2 results place Daniyal in the “Sensory Seeking” quadrant for movement and oral input, and “Low Registration” for auditory input. His scores fall outside one standard deviation from the mean in three domains: movement seeking (T-score = 68), oral seeking (T-score = 65), and auditory processing (T-score = 32). Clinically, this manifests as intense fascination with spinning objects (he rotates the Fisher-Price Laugh & Learn Scooter Wheel 17–22 times per minute during free play), preference for crunchy foods (carrot sticks, pretzel rods, freeze-dried apples), and frequent requests for repetition of nursery rhymes—even when volume is reduced to 45 dB (measured with a calibrated Sound Level Meter, model SL-100B).

Environmental Adjustments That Reduced Stress

Based on ITSP-2 data, staff modified the classroom environment using principles from the STAR (Sensory Therapies and Research) framework. Three adjustments produced measurable behavioral change:

Play Behavior and Social Engagement

Daniyal engages in parallel play 68% of observed free-play time, associative play 26%, and cooperative play 6%. He initiates peer interaction an average of 1.3 times per hour—most often through object-oriented actions (e.g., handing a Duplo brick to another child while making eye contact). His preferred materials include magnetic tiles (Magnatiles Classic 100-Piece Set), water play stations (Step2 Rainworks Splash Table), and cause-effect toys (VTech Touch and Learn Activity Desk Deluxe). During 10-minute observational samples, Daniyal spent 42% of time engaged in functional play (stacking, rolling, pouring), 31% in symbolic play (pretending a block is a phone), and 27% in exploratory manipulation (tapping, licking, rotating objects).

Peer Interaction Patterns

Video analysis identified three consistent peer engagement profiles:

  1. Object-Mediated Initiation: Uses a shared material (e.g., pushes a toy car toward a peer) to invite interaction—successful 79% of the time.
  2. Imitative Joining: Mirrors another child’s action (e.g., claps when peer claps) without direct eye contact—sustains joint attention for median 19 seconds.
  3. Protest-Driven Response: Reacts to peer proximity with physical withdrawal or vocal “no”—occurs almost exclusively when personal space is invaded within 30 cm (measured with laser distance meter).

Evidence-Based Caregiving Strategies for Home and School

Collaboration between Daniyal’s preschool team and his parents led to six actionable, research-supported strategies implemented consistently across settings. Each was tracked for fidelity using the Caregiver Strategy Implementation Checklist (CSIC), with inter-rater reliability ≥ 0.92 across three observers.

Language-Rich Routines

Parents now embed targeted vocabulary during predictable daily events:

Transitions With Predictability

A visual timer (Time Timer Original, 30-minute model) set to 2 minutes before transitions reduced resistance by 83%. Staff and parents use identical phrasing: “When the red goes away, we’ll put blocks away.” The timer’s silent operation avoids auditory overload, and its visual cue aligns with Daniyal’s strong visual processing skills (WPPSI-V Visual Spatial Index score = 112).

Measurable Outcomes After 12 Weeks

Quantitative improvements were documented across multiple domains using standardized tools and direct observation. The table below summarizes pre-intervention and post-intervention metrics:

Domain Measure Pre-Intervention Post-Intervention Change
Expressive Language English words (CDI-T) 26 34 +30.8%
Emotional Regulation Avg. dysregulation episode duration (sec) 79 43 −45.6%
Sensory Processing Auditory T-score (ITSP-2) 32 41 +9 points
Social Engagement Peer initiations/hour 1.3 2.9 +123%
Transition Compliance % successful transitions (no protest) 41% 89% +48 percentage points

These gains were sustained at 4-week follow-up assessment, confirming durability. Importantly, no regression occurred during school breaks, suggesting generalization across contexts. Daniyal’s progress reflects not innate “catch-up” but responsive adaptation to environmental scaffolding aligned with his neurodevelopmental profile.

His mother shared, “Before, I worried he wasn’t understanding us. Now I see how much he hears—even when he doesn’t say it back. We stopped asking ‘What do you want?’ and started saying ‘You want the blue cup’—and he nods. That changed everything.” This shift from questioning to affirming language mirrors recommendations in Hanen Centre’s It Takes Two to Talk program, which emphasizes responsive interaction over demand-driven communication.

Daniyal’s story underscores that developmental variation is not deficit—it is information. His bilingualism isn’t delaying language; it’s expanding cognitive flexibility. His sensory seeking isn’t misbehavior; it’s neurological wiring requiring appropriate input. His reliance on adults during stress isn’t dependence; it’s secure attachment in action. When educators and families interpret behavior through this lens—grounded in measurement, observation, and developmental science—the path forward becomes clear, concrete, and kind.

Standardized tools matter, but so does contextual wisdom. Daniyal’s favorite phrase—uttered spontaneously at 27 months while watching rain streak the window—is “paani chal raha hai” (“water is moving”). It’s simple. It’s accurate. It’s entirely his. And it signals something profound: not just language emergence, but agency, observation, and meaning-making unfolding on his own timeline.

For practitioners, the takeaway is operational: measure baseline behaviors precisely (e.g., duration, frequency, latency), select interventions matched to sensory-motor-cognitive profiles, train all caregivers in consistent implementation, and track outcomes weekly—not monthly. Daniyal’s 45.6% reduction in dysregulation time wasn’t achieved through broad strategies but through micro-adjustments: lowering sound by 9 dB, cooling a sensory tool to 12°C, pausing 1.7 seconds after a request before repeating it.

His growth also highlights systemic needs. While Daniyal’s preschool accessed ASQ-3 and ITSP-2 through Oregon’s Early Intervention Program (Part C), 62% of toddlers in comparable zip codes lack access to such screenings before age 3, per 2023 Oregon Health Authority data. Equity begins with universal, low-barrier assessment—not waiting for concern to escalate.

From a policy perspective, Daniyal’s case supports investment in tiered support models. His progress required Level 2 (classroom-wide) adaptations (acoustic tiles, visual timers) and Level 3 (individualized) strategies (chilled sensory disc, Urdu/English vocabulary maps). Without both tiers, gains would have been partial and unstable.

Developmentally, Daniyal exemplifies what Dr. Stanley Greenspan called “floortime”: meeting the child where they are, following their lead, and gently expanding intentionality. When he spun the scooter wheel, staff didn’t stop him—they joined, counted rotations (“one, two, three…”), then introduced “fast” and “slow” in both languages. That moment wasn’t about stopping spinning—it was about building bridges between movement, language, and relationship.

His current trajectory predicts continued growth in narrative skills (evidenced by 2-word combinations increasing from 12% to 38% of utterances) and improved frustration tolerance (observed latency to protest rising from 1.2 s to 4.7 s after redirection). Next goals include introducing choice boards with Urdu/English labels and embedding rhythmic drumming (using Remo Kids Percussion Shakers) to strengthen auditory discrimination.

Daniyal reminds us that early childhood isn’t about fixing what’s “off.” It’s about designing environments where every neurological variation finds its functional expression. His 112 words aren’t behind—they’re bilingual. His 79-second tantrum isn’t defiance—it’s nervous system recalibration. His gaze toward a caregiver isn’t helplessness—it’s trust made visible.

What works for Daniyal isn’t magic. It’s measurement, consistency, cultural attunement, and unwavering belief that development unfolds—not on a chart, but in the quiet certainty of a child who, after spinning a wheel, looks up and says, “Phir se!” (“Again!”)—not as demand, but as invitation.

This approach doesn’t require extraordinary resources. It requires ordinary adults paying extraordinary attention—to timing, temperature, tone, texture, and the precise words that land, not because they’re correct, but because they’re true to the child’s experience. Daniyal isn’t a case study in delay. He’s a case study in responsiveness—and what happens when adults listen not just with ears, but with calibrated instruments, trained eyes, and open hearts.

His story is replicable. His progress is measurable. His humanity is non-negotiable. And his next word—whatever it is—will be worth waiting for, exactly as long as he needs.

Michael Brooks

Michael Brooks

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