Early signs of autism in children — and how ABA therapy helps

If you've found yourself watching your child and quietly wondering, you're not being a worried parent — you're being an attentive one. Trusting that instinct, and asking questions early, is one of the most helpful things you can do.

Autism, or autism spectrum disorder, is a developmental difference in how a child communicates, plays, and experiences the world. The word "spectrum" matters: no two autistic children are the same, and many have real strengths alongside the areas where they need support. Recognizing the early signs isn't about labeling your child — it's about understanding them, so the right help can start sooner.

Every child develops at their own pace

Children reach milestones on their own timelines, and one or two differences on their own rarely mean much. What clinicians look for is a pattern across several areas, especially differences in connecting and communicating with others. Use the signs below as a guide for conversation with your pediatrician — not as a checklist to diagnose at home.

Early signs to be aware of

These are some of the more common early signs, grouped by area. They often become noticeable between about 12 and 24 months:

Communication

• Doesn't respond to their name by around 12 months.
• Few or no gestures like pointing, waving, or showing you things by 12–18 months.
• Delayed babbling or speech, or losing words or skills they once had.
• Doesn't follow where you point or look ("look at that!").

Social connection

• Limited eye contact, or rarely sharing smiles back and forth.
• Seems more interested in objects than in people, or doesn't bring things to show you.
• Little pretend or imitation play (feeding a doll, talking on a toy phone).

Play, interests, and behavior

• Repetitive movements such as hand-flapping, rocking, or spinning.
• Lining up toys, or focusing intensely on a part of an object (like a spinning wheel).
• Strong reactions to certain sounds, textures, lights, or tastes.
• A strong need for sameness, and real distress with small changes in routine.

Spotting the early signs isn't a diagnosis or a verdict. It's a door — to understanding your child and getting the right support sooner.

When to talk to your pediatrician

The American Academy of Pediatrics recommends developmental check-ins throughout early childhood and autism-specific screening at the 18- and 24-month visits. But you don't have to wait for a scheduled screening. If something feels off — at any age — bring it up. You know your child best, and a good pediatrician will take your observations seriously and help you decide whether a fuller evaluation makes sense.

What an evaluation looks like

A developmental evaluation is a careful, play-based look at how your child communicates, interacts, and learns, usually combining direct observation with questions for you about your child's development and daily life. It's not a single pass-or-fail test, and it isn't something to fear. The goal is a clear understanding of your child's strengths and needs, so any support that follows actually fits them.

What ABA therapy is — and isn't

Applied Behavior Analysis (ABA) is one of the most extensively studied, widely recognized evidence-based therapies for autism. At its core, ABA breaks meaningful skills — communicating a need, taking turns, getting dressed, handling transitions — into small, learnable steps, and uses positive reinforcement to help a child build them. Good, modern ABA is individualized, play-based, and led by the child's interests, designed around helping a child communicate and participate more fully in their world, not around making them "less autistic." It's typically directed by a Board Certified Behavior Analyst (BCBA), and the program is shaped together with your family.

How ABA helps

Because every plan is built around one child, the goals look different from family to family. Common areas of focus include:

• Communication — using words, signs, pictures, or devices to express needs and connect with others.
• Social and play skills — sharing attention, taking turns, and joining in with others.
• Daily-living skills — routines like dressing, mealtimes, toileting, and sleep.
• Reducing barriers to learning — gently supporting a child through frustration or behaviors that get in the way, while honoring how they experience the world.

Families are partners throughout, learning strategies that carry over into everyday life at home. You can see how our program is set up on our ABA therapy page, and meet our behavior analysts on the team page.

Starting from wherever you are

Maybe you're just beginning to ask questions, or maybe you already have a diagnosis and a referral in hand. Either way, you don't have to figure it out alone. Our bilingual team can help you understand the next step and, when you're ready, begin care close to home in Little Havana.

Frequently asked

At what age can autism be identified?

Signs can appear in the first two years of life. The American Academy of Pediatrics recommends autism-specific screening at the 18- and 24-month checkups, and a reliable diagnosis can often be made around age 2 — sometimes earlier. You can raise concerns with your pediatrician at any age.

Do we need a diagnosis before starting ABA therapy?

Usually ABA begins after an autism diagnosis and a referral, which sets the medical need for services. We can help your family understand the steps and connect the pieces, so you're not navigating it alone.

Is ABA therapy covered by Florida Medicaid?

Often, yes. Florida Medicaid and the Agency for Persons with Disabilities (APD) may cover ABA for eligible children, usually after a diagnosis and based on medical necessity. We accept Florida Medicaid for Region 11 — Miami-Dade and Monroe — and can tell you what your plan requires.

My child already has an autism diagnosis — can you help?

Yes. Whether you're just starting to ask questions or already have a diagnosis and a referral, our bilingual team can help you begin ABA therapy and coordinate care.