Which ICF Domain Does Memory Map To in Early Childhood?

Where does memory sit in the WHO's map of human functioning — and how should we read that in the early years?

In short

In the International Classification of Functioning, Disability and Health (ICF), memory maps to Body Functions, specifically the Mental Functions chapter (Chapter 1), under the specific mental functions grouping as Memory functions (b144). In early childhood, this is read through the ICF-CY (Children & Youth version), which frames memory not as an isolated capacity but within developing attention, perception and higher-level cognitive functions, and always alongside the child's Activities and Participation — what the child can actually do and join in daily life.

The ICF mapping, read for the early years

The ICF organises functioning across two parts. Memory belongs to Part 1, Body Functions — the physiological and psychological functions of body systems. Within it, Memory functions (b144) sit among the specific mental functions (b140–b189), neighbouring attention functions (b140), psychomotor functions (b147) and higher-level cognitive functions (b164). The ICF distinguishes short-term, long-term and retrieval components conceptually, but in young children these are deeply interdependent with maturing attention and language.

A defining principle of the ICF-CY is the capacity–performance distinction. A memory function (Body Function, b-code) only becomes meaningful when expressed through Activities and Participation (d-codes) — for example acquiring skills (d155), focusing attention (d160) and learning through play. So in early childhood, clinicians and researchers are encouraged not to score an abstract "memory" in isolation but to observe how emerging memory supports everyday learning, routines and interaction within the child's environment and supports.

Why this matters for measurement

Reading memory through the biopsychosocial ICF lens guards against a deficit-only view. A child's memory functioning is shaped by Environmental Factors (e-codes) — caregiving, opportunity to practise, language exposure — and by Personal Factors. For early-childhood profiling, this means a strengths-based, contextual description rather than a single number, and triangulation between body-function observations and participation in real settings.

The Pinnacle way

This is general, educational information, not a diagnosis — a clinical AbilityScore® and any diagnosis are formed only at a Pinnacle Blooms Network centre, under qualified clinician care, through a structured clinician-administered assessment, never from an app or form. Our framework links memory functions to a child's everyday participation, drawing on cognitive and developmental support and, where relevant, speech therapy to strengthen the attention and language scaffolding on which early memory grows.

Trusted sources

WHO ICF and ICF-CY classification (Body Functions, Chapter 1, Mental Functions, b144); WHO browser for the ICF framework; WHO Nurturing Care Framework on the developmental context of early cognition.

Next step — If you are mapping early-childhood cognition for research or clinical profiling, connect with our team to see how memory functions are linked to participation within an ICF-aligned AbilityScore® assessment.