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Glossary

Last reviewed: Written by a non-clinician

Acronyms and jargon, plain-English definitions. If you encounter a term that isn't here, it belongs here — let us know.

AAC Augmentative and Alternative Communication
Any method of communication used to supplement or replace speech. Includes sign language, picture boards (like PECS), and speech-generating devices. AAC supports communication — it does not prevent speech development.
EI Early Intervention
In the US, a federally mandated programme (Part C of IDEA) providing free evaluation and services for children under 3 who have developmental delays or disabilities. Entry point is usually your state's EI programme, accessed via your paediatrician or a self-referral.
GLP / NLA Gestalt Language Processing / Natural Language Acquisition
A style of language development where a child learns language in whole chunks (gestalts) rather than single words first. Common in autistic children and others. Echolalia is often part of this process, not a problem to suppress. NLA (Natural Language Acquisition) is the framework developed by Marge Blanc for supporting GLP learners.
IEP Individualised Education Program
A legal document in the US (Part B of IDEA) outlining goals and services for a child with a disability aged 3–21 in the public school system. Developed by a team that includes the parents. Similar documents exist in other countries (EHCP in England; Individual Support Plans in some Canadian provinces).
IFSP Individualized Family Service Plan
The US Early Intervention equivalent of an IEP, used for children under 3. Sets out goals and services for both the child and the family.
RCI Rehabilitation Council of India
The statutory body in India that regulates and certifies rehabilitation professionals, including speech-language pathologists. An RCI-certified SLP is the recommended professional credential to look for in India.
SaLT Speech and Language Therapist
The professional title used in the United Kingdom and Ireland for a speech-language pathologist (SLP). Same role, different name.
SLP Speech-Language Pathologist
A clinician who evaluates and treats speech, language, voice, fluency, and swallowing disorders. In the UK and Ireland this role is called a Speech and Language Therapist (SaLT). SLPs are the primary professionals who evaluate and support children with speech or language delays.