FATHOM NORTHMaybe your child isn't talking yet and everyone keeps telling you not to worry. Maybe they talk constantly but nobody outside the family understands them. Maybe an evaluator just said "speech therapy" and moved on to the next slide. This guide is the plain-English version of what speech therapy actually is, who it helps, and what to do with the worry that brought you here.
What a speech-language pathologist actually does
The clinician is an SLP — speech-language pathologist — a master's-level, licensed professional. The title undersells the job. SLPs work on:
- Understanding language — following directions, understanding questions, making sense of what's said to them.
- Using language — words, sentences, grammar, telling you what happened at the park.
- Speech sounds — making sounds clearly enough that people outside the family understand.
- Social communication — the back-and-forth of conversation, greetings, taking turns, repairing misunderstandings.
- Non-speech communication (AAC) — sign, picture systems, and speech-generating devices for children who don't yet speak, or who need support alongside speech.
- Feeding and swallowing — chewing, managing textures, safe swallowing. Yes, this belongs to SLPs too, often shared with OT.
If a child has something to say and any barrier between them and saying it, an SLP's job is to remove the barrier — in whatever form communication ends up taking.
Speech vs. language vs. communication
Three words that get used interchangeably and mean different things — and the difference decides what therapy targets:
- Speech is the mechanics: making sounds with lips, tongue, and voice. A child with a speech problem may have plenty to say but be hard to understand.
- Language is the system: words, meanings, grammar — both understanding it (receptive) and producing it (expressive). A child with a language delay may say little, or speak clearly but in ways that don't quite connect.
- Communication is the whole point: getting a message from one mind to another, by any means — words, gestures, pictures, a device, a look. A child can struggle with speech and language and still become a strong communicator.
Milestones, without the panic
Here is a rough map of early communication milestones, drawn from the same ranges the CDC's "Learn the Signs. Act Early." milestones use. Read the caveat first, because it matters more than the map: these ranges are broad, children vary enormously, and one missed milestone is not a diagnosis. Milestones are conversation-starters with your pediatrician — not verdicts.
Gestures and babble
Babbling with varied sounds, responding to their name most of the time, and gestures — pointing, waving, reaching to be picked up. First words often land somewhere around here, but the normal range is wide.
First words at work
A growing handful of words used on purpose, following simple directions, pointing to show you things — not just to get things. Pointing to share attention is a quietly important skill.
Word combinations
Vocabulary growing fast — often somewhere around fifty words or more — and the first two-word combinations: "more milk," "daddy go." Familiar listeners understand a fair amount of what they say.
Short sentences
Three-to-four-word sentences, questions, simple conversation. People who know the child understand most of it; strangers catch a good deal.
Stories and strangers
Longer sentences, simple storytelling, and speech that unfamiliar listeners understand most of the time. Plenty of sound errors are still normal at this age; some sounds develop late.
The one exception to "don't panic": a child losing words or social skills they used to have deserves prompt attention at any age. Mention it to your pediatrician now, not at the next well visit. And whatever the concern, a hearing test is almost always the right first step — hearing issues are common, treatable, and great mimics of language delay.
Late talker, or something more?
This is the question under most late-night searches, so let's handle it carefully. Some toddlers with small vocabularies and no other differences are "late bloomers" who catch up. Others have a lasting language disorder. And for some, a language delay is one part of a bigger picture, such as autism. No checklist on the internet can reliably tell you which is which — including ours. But there are patterns clinicians weigh:
- A child who is behind on words but gestures richly, shares attention (points to show you things, checks your face, brings you objects), imitates, and plays with you is showing strong communication foundations — often a more reassuring picture, though still worth evaluating if they stay behind.
- When the differences run broader than words — not responding to their name most of the time, little pointing or showing, limited back-and-forth play, strong repetitive interests, big reactions to sensory input — the question becomes wider than "late talker," and a developmental evaluation alongside the speech evaluation makes sense.
Two things can be true at once: most late talkers are not autistic — ASHA's guide "Late Blooming or Language Problem?" is a careful read on telling the difference — and "let's wait and see" is sometimes the costliest advice a family gets, because the waitlist doesn't start until the referral does. The move that covers every version of the future is the same: "I'd like a hearing test, a speech-language evaluation, and — if you share my concerns — a developmental evaluation referral. If everything's fine, we'll cancel." That sentence works, and you don't need to be sure of anything to say it.
AAC, in plain English
AAC — augmentative and alternative communication — means every way of communicating that supports or replaces speech: sign language, picture systems (where a child hands over or points to images to communicate, as in PECS-style approaches), low-tech boards, and speech-generating devices, which these days are often an app on a tablet.
The fear nearly every parent voices: if we give her a device, will she stop trying to talk? It's a reasonable question with a reassuring answer: research on AAC has generally found that it does not prevent speech development, and in many children it appears to support it — though every child is different, so ask your SLP how they'll monitor both. A child who discovers that expressing themselves works has more reason to communicate in every form, including speech. A child with no working channel mostly learns frustration.
The mindset underneath good AAC practice is called presuming competence: assuming a child has things to say and the capacity to learn, and providing rich language and real vocabulary — not just "juice" and "bathroom" — rather than waiting for them to prove they deserve it. Not speaking is not the same as having nothing to say.
Articulation vs. apraxia: the basics
Two terms that come up when a child is hard to understand:
- Articulation and phonological difficulties are the common ones: a child consistently says certain sounds incorrectly ("wabbit" for rabbit) or applies simplifying patterns to whole groups of sounds. Many of these errors are typical at young ages and fade; therapy helps when they persist past the expected window or make a child hard to understand.
- Childhood apraxia of speech (CAS) is rarer and different in kind: the brain has trouble planning the movements of speech. Hallmarks clinicians look for include inconsistent errors (the same word comes out differently each try), distorted vowels, and visible groping for mouth positions. CAS typically calls for more frequent, motor-focused therapy.
The honest caveats: apraxia is genuinely difficult to diagnose in very young children, the label gets applied loosely online, and only a qualified SLP can make the call after evaluation — sometimes not until they've worked with a child for a while. If you suspect it, ask an SLP directly rather than a search engine.
What sessions actually look like
For young children, speech therapy looks like play with a purpose — usually 30 to 60 minutes, once to a few times a week. The SLP picks toys and routines your child loves, then engineers them so communication is constantly useful: pieces that need requesting, turns that need negotiating, silly pauses that beg to be filled. For speech-sound work, expect focused practice dressed up as games — lots of repetitions, because motor learning needs them. For AAC, expect the device or pictures woven into everything, with the SLP modeling on it constantly.
A good session usually ends with the most valuable minutes of the week: the SLP telling you exactly what they worked on, and what to do at home. Which brings us to your job.
Your role: the main intervention
An SLP gets one or a few hours a week. You get all the others — and language grows in daily life, not in appointments. Good SLPs coach parents in strategies like these, tuned to your child:
- Narrate and pause. Talk about what your child is doing in short phrases — then leave a pause longer than feels natural. Children often need the extra time to respond.
- Get face to face and follow their lead. Join what they're already interested in; interest is where language sticks.
- Create reasons to communicate. The beloved snack in sight but out of reach; the wind-up toy that stops. Any communication — a point, a sound, a glance, a word, a device press — gets rewarded fast.
- Expand, don't correct. Child: "doggy run." You: "Yes — the doggy is running fast!" You've confirmed, modeled the next level up, and skipped the discouraging part.
- Read together, badly and often. "Reading" a book at this stage means talking about pictures, letting them turn pages, and going off-script constantly. That counts. That's the good stuff.
If your child's speech therapy doesn't include coaching you, ask for it. It isn't an add-on; it's the delivery system.
Myths vs. truths
Frequently asked questions
✦When should I ask for a speech evaluation?
✦Do we need a diagnosis first?
✦What if my child won't cooperate in sessions?
✦How long does speech therapy last?
✦Does insurance cover speech therapy?
✦My child gets speech at school. Is clinic therapy redundant?
✦How does speech therapy fit with ABA and OT?
One last thing, for the parent reading this at 11pm: wondering whether your child needs help is not overreacting, and asking for an evaluation is not a verdict on them or you. It's a question. Ask it — starting with your pediatrician, this week. (Many of the questions in our provider-interview guide adapt perfectly to choosing a speech clinic, too.)
That's the end of this one.
Speech covered how your child tells the world what they need; the OT guide covers the daily-life and sensory side, including the feeding territory the two disciplines share.