Glossary

Searchable terminology from accessibility, web standards, and related fields.

8 results found in Developmental Disabilities.

Developmental Delay (Developmental Disability, Global Developmental Delay)
A condition in which a child does not reach developmental milestones — such as motor skills, speech, social skills, or cognitive abilities — at the expected ages. Developmental delay may affect one or…
Phonological Development (Speech Sound Development, Phonological Acquisition)
The process by which children learn to produce and organise the speech sounds of their language, progressing from early cooing and vowel-like sounds through canonical babbling (consonant-vowel syllabl…
Prelinguistic Development (Pre-Speech Development, Prelinguistic Communication)
Prelinguistic development refers to the stages of vocal and communicative development that occur before an infant produces meaningful words, typically spanning from birth to approximately 12-18 months…
Preverbal Communication (Prelinguistic Communication)
The stage of communication development before the consistent use of recognizable words, typically occurring in neurotypical children between birth and approximately 12 months of age. Preverbal communi…
Severe and Multiple Disabilities (Profound and Multiple Learning Disabilities, PMLD, Severe Multiple Disabilities)
A condition where an individual has two or more significant disabilities occurring simultaneously, typically involving profound physical impairments combined with intellectual disability and often sen…
Social Skills (Social Competence, Interpersonal Skills)
The abilities required for effective social interaction, including communication, cooperation, turn-taking, perspective-taking, reading social cues, and responding appropriately in social contexts. So…
Speech Sound Disorder (SSD, Speech Disorder, Articulation Disorder, Phonological Disorder)
A communication disorder affecting the development of accurate speech sound and prosody production in childhood. Children with SSDs struggle with phonological representation, phonological awareness, a…
Visual-Motor Integration (Visuomotor Integration, VMI, Eye-Hand Integration)
The coordination of visual perception with motor output, enabling activities like writing, drawing, catching a ball, or manipulating objects based on visual information. Visual-motor integration is co…