Standardised instruments for the sensory domain (ICF b2) in young children

When a young child startles at soft sounds or seeks out deep pressure, the right instrument turns those observations into a structured developmental picture.

In short

The sensory domain — ICF sensory functions (b2) — is assessed in young children using a small set of validated, norm-referenced instruments, most administered as caregiver questionnaires supplemented by structured clinician observation. The most widely cited are the Sensory Profile 2 (including the Infant/Toddler editions), the Sensory Processing Measure (SPM-2), the Test of Sensory Functions in Infants (TSFI), and the DeGangi–Berk Test of Sensory Integration (TSI). No single tool is diagnostic; selection depends on age band, informant access and the clinical question.

The instruments in current use

• Sensory Profile 2 (Dunn) — caregiver report across auditory, visual, tactile, movement, oral and behavioural sections; the Infant Sensory Profile 2 (birth–6 months) and Toddler Sensory Profile 2 (7–35 months) extend coverage to the youngest children, mapping responses to Dunn's quadrant model (registration, seeking, sensitivity, avoiding).
• Sensory Processing Measure–2 (SPM-2) — norm-referenced from infancy through adulthood, with home and early-care/preschool forms enabling cross-setting comparison; covers processing, praxis and social participation.
• Test of Sensory Functions in Infants (TSFI) — direct performance-based measure for 4–18 months, useful where a structured infant administration is preferred over report alone.
• DeGangi–Berk TSI — for ~3–5 years, sampling postural control, bilateral integration and reflex integration.
• Adjuncts: the Sensory Integration and Praxis Tests (SIPT) apply from ~4 years upward, and broader developmental batteries (e.g. Bayley) capture sensory-motor items within wider scales.

Most are caregiver-informant tools; psychometric strength rests on combining standardised scores with multi-setting observation rather than any isolated cut-off.

Methodological notes for research use

Interpret sensory findings within the ICF framework rather than as a standalone label: b2 sensory functions describe body-function differences, which must be linked to activity and participation outcomes. Age-band fit matters — infant editions differ substantially from preschool forms in normative samples and constructs. Triangulate informant report with direct observation to mitigate rater bias, and check that the normative reference population is appropriate to an Indian cohort before generalising.

The Pinnacle way

Developmental measurement supports care planning; diagnosis requires an appropriately qualified healthcare professional., under the care of a qualified clinician — never from a questionnaire score alone. Our AbilityScore® is a clinician-administered structured assessment that situates sensory findings against the child's own developmental baseline, drawing on 2.5 billion+ data points and 25 million+ therapy sessions across 70+ centres. For research partnership and instrument selection, our team pairs standardised measures with occupational therapy expertise. See how the measure works: what the AbilityScore is and how it's calculated.

Trusted sources

WHO ICF framework, sensory functions (b2); ASHA and AAP/HealthyChildren guidance on sensory and developmental assessment in early childhood. Instrument constructs paraphrased from their published manuals; no thresholds reproduced here.

Next step — Partner with Pinnacle on validated sensory assessment. Explore research collaboration with our clinical-science team.

This is general information, not a diagnosis — individual assessment and diagnosis require an appropriately qualified healthcare professional.