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Autism questions, answered

Clear answers to common autism questions, including autism and ADHD, adult diagnosis, genetics, assessments, insurance and support across the lifespan.

Updated November 3, 2026

A child with glasses sitting in front of a bookshelf

The short version

  • Autism and ADHD often co-occur, but they are different conditions.
  • Autism is present from early development. Many people are recognized later; they did not "develop" autism as adults.
  • There is no reliable prenatal test, blood test or cure. A good evaluation describes strengths, support needs and co-occurring conditions.
  • Assessment usually combines developmental history, observer forms, direct activities and a feedback session.
  • At Fair Winds, most major insurance is accepted for initial evaluations and counseling; comprehensive testing is self-pay.

Autism is a lifelong developmental difference, not a single set of behaviors. People search for answers for many reasons: they are noticing something in their child, wondering about themselves, or trying to understand a diagnosis they already have.

This page answers some of the questions families and adults ask us most often. It is general information, not a diagnosis or medical advice. If you want to talk through your own situation, call us at 817-735-4165 or request an appointment.

Where to start

If you are wondering whether an evaluation makes sense, start with our autism assessment page or read what a full evaluation involves. For a broader look at autism across the lifespan, see Understanding autism. For insurance and self-pay details, see Insurance & fees.

The questions below are grouped so you can go straight to the part that fits what you are wondering about.

Questions and answers

Autism basics

What are the main types of autism?

The DSM-5 does not divide autism into separate official subtypes. It describes one autism spectrum disorder, with levels 1 to 3 indicating how much support a person needs. People vary widely in communication, sensory experience, strengths and support needs. Terms like "high-functioning" or "profound autism" are sometimes used informally, but they are not formal diagnoses.

What is the difference between autism and Asperger's?

Asperger's syndrome was previously a separate diagnosis. Since the DSM-5 was published in 2013, it has been included under autism spectrum disorder. Some people still identify with the term Asperger's or use it to describe their experience, but it is no longer a separate clinical diagnosis in the current DSM.

What are the core features of autism?

Clinicians look for differences in social communication and interaction, together with restricted or repetitive patterns such as focused interests, routines, repeated movements or sensory differences. These features are present early in development and affect daily life. The exact pattern is different for every person, and strengths matter as much as challenges.

What are common strengths and challenges in autism?

Strengths can include deep interests, pattern recognition, honesty, attention to detail, creativity, loyalty and a strong sense of justice. Challenges may involve social communication, sensory overload, changes in routine, executive function, anxiety and finding the right support. The mix is different for each person, and support should build on strengths rather than only trying to remove differences.

Autism and ADHD

Are autism and ADHD related?

Yes. They often co-occur and share some features, such as differences in attention, social communication, sensory processing and behavior. But they are separate conditions, and a careful evaluation can tell them apart and identify both when they occur together.

Can someone have autism and ADHD?

Yes. The DSM-5 allows both diagnoses. Many autistic people also meet criteria for ADHD, and the combination can affect attention, social communication, sensory needs and daily life. Support should address both, not just one.

Recognizing autism

Can I have autism and not know it?

Yes. Some people, especially adults, women and girls, learn to mask social differences and may not be recognized until later. A lifelong sense of being different, exhaustion from social situations, sensory sensitivities or strong routines can be worth exploring with a clinician.

Can autism be diagnosed in adulthood?

Yes. There is no age limit. An adult evaluation uses your developmental history, self-report, information from people who know you and direct measures. Many adults find an explanation, greater self-understanding and access to support.

Should I get an autism diagnosis as an adult?

That is a personal decision. An evaluation can bring clarity, guide accommodations and help you understand yourself. It is not required to deserve support, and a diagnosis does not define who you are. We can talk through the benefits and limits before testing.

How does autism present in women and girls?

Autistic women and girls often mask or camouflage social differences, and their interests or sensory needs may be overlooked. They may be diagnosed later, or misdiagnosed with anxiety, depression or a personality disorder. A good evaluation looks at the whole history, not a single stereotype.

What is masking?

Masking, or camouflaging, means consciously or unconsciously hiding autistic traits to fit in. It can look like copying social behavior, forcing eye contact or suppressing stims. It can be exhausting, is common in women and girls, and can delay recognition.

What do autism levels mean?

The DSM-5 uses levels 1, 2 and 3 to describe how much support a person needs, not intelligence or worth. Support needs can change with age, environment and the task. The level is a starting point for planning, not a full picture of a person.

Are autistic people smart?

Autistic people have the same range of cognitive abilities as anyone else. Some have intellectual disability, many have average or above-average IQ, and some have uneven profiles with real strengths and gaps. IQ tests do not capture everything, and intelligence is not a measure of a person's value.

Related conditions

Are autism and Down syndrome the same?

No. Down syndrome is a genetic condition caused by an extra copy of chromosome 21. Autism is a developmental diagnosis based on communication, behavior and sensory patterns. Some people with Down syndrome also meet criteria for autism, but the conditions are different.

Are autism and OCD related?

They are different conditions, but they can co-occur and can look similar. Both can involve repetitive behavior, routines and distress when things change. The purpose behind the behavior, the person's history and a careful evaluation help distinguish them.

Causes and genetics

Is autism genetic?

Genetics plays a strong role, but autism is not caused by one gene. Many genes and environmental factors can contribute, and siblings may have different profiles. Genetic testing is not required for an autism diagnosis, though it may be recommended in some cases.

Can autism develop later in life?

Autism is a developmental condition that is present from early development. It does not suddenly develop in adulthood. Many people are recognized later because their support needs were missed, they masked, or their environment changed. That is a late diagnosis, not a new condition.

Can autism be detected before birth?

There is no reliable prenatal test, blood test or scan that diagnoses autism. Screening and evaluation happen after birth, often in the toddler years or later. Research on early markers continues, but no single test can detect autism in the womb.

Why are autism rates rising?

Much of the increase is explained by better awareness, broader diagnostic criteria, more screening, changes in how services are recorded, and more diagnosis in adults and girls. Whether the true rate is also changing is still being studied.

Assessment and support

How do autism assessments work?

A comprehensive evaluation usually includes a developmental and medical history, parent, teacher or self-report forms, direct activities or conversation, and measures of thinking, language and adaptive skills. The provider also checks for ADHD, anxiety, learning and other co-occurring conditions. You receive a written report and a feedback session.

Are autism assessments covered by insurance?

At Fair Winds, we accept most major insurance for initial evaluations and counseling. Comprehensive testing is self-pay, so insurance limits do not decide which tests are used. Call us to confirm your plan and ask for a Good Faith Estimate.

Can autism be cured?

There is no cure, and autism does not need to be cured. It is a lifelong developmental difference. Support, accommodations, therapy and medical care can improve quality of life and reduce distress. Some people no longer meet diagnostic criteria later, but that is not the same as a cure.

Does autism get worse with age?

Autism itself does not progressively worsen. Support needs can change as demands, environments and responsibilities change, and co-occurring anxiety, depression or burnout can make things harder. The right support and accommodations often make a meaningful difference.

What are the best steps to get an autism diagnosis for a toddler?

Start with your pediatrician and ask about developmental screening and a referral. In Texas, Early Childhood Intervention can evaluate children under 3 for developmental services. A comprehensive autism evaluation should include a developmental history, caregiver and teacher forms, direct observation or play-based testing, and a written report with recommendations. Fair Winds evaluates children from 12 months.

What is the best autism therapy for a young child?

There is no single best therapy for every child. Evidence supports early, individualized developmental and behavioral supports, speech and language therapy, occupational therapy for sensory or motor needs, and coaching for parents. Goals should respect the child's dignity, communication style and consent, and should build skills that matter for daily life. The right mix depends on the child's needs and should be reviewed over time.

See what's included in ourComprehensive autism (ASD) assessmentView the assessment

What would a closer look show for your family?

Guides can describe what's common. A full evaluation shows what's true for the person you love. We'd be glad to talk it through.

This guide is general information, not a diagnosis or medical advice. Please talk with a qualified professional about your situation.