Autism

Does My Child Have Autism?

Recognizing the Early Signs and Symptoms of Autism

As a parent, you never want to believe that your precious bundle has a problem. But when it comes to autism, catching it early—ideally by the age of eighteen months—makes a huge difference. But no matter your child’s age, don’t lose hope. Treatment can reduce the disorder’s effects and help your child learn, grow, and thrive.

What is autism?
Autism expresses itself through a spectrum of symptoms. Autism spectrum disorder appears in infancy and early childhood, causing delays in many basic areas of development, such as learning to talk, play, and interact with others.

The signs and symptoms of autism vary widely, as do its effects. Some children with autism have only mild impairments, while others have more obstacles to overcome. However, every child on the autism spectrum has problems, at least to some degree, in the following three areas:

  • Communicating verbally and non-verbally
  • Relating to others and the world around them
  • Thinking and behaving flexibly

There are different opinions among doctors, parents, and experts about what causes autism and how best to treat it. There is one fact, however, that everyone agrees on: early and intensive intervention helps. For children at risk and children who show early signs, it can make all the difference.

How parents can spot the warning signs
As a parent, you’re in the best position to spot the earliest warning signs of autism. You know your child better than anyone and observe behaviors and quirks that a pediatrician, in a quick fifteen-minute visit, might not have the chance to see. Your child’s pediatrician can be a valuable partner, but don’t discount the importance of your own observations and experience. The key is to educate yourself so you know what’s normal and what’s not.

Monitor your child’s development. Autism involves a variety of developmental delays, so keeping a close eye on when—or if—your child is hitting the key social, emotional, and cognitive milestones is an effective way to spot the problem early on. While developmental delays don’t automatically point to autism, they may indicate a heightened risk.

Take action if you’re concerned. Every child develops at a different pace, so you don’t need to panic if your child is a little late to talk or walk. When it comes to healthy development, there’s a wide range of “normal.” But if your child is not meeting the milestones for his or her age, or you suspect a problem, share your concerns with your child’s doctor immediately. Don’t wait.

Don’t accept a wait-and-see approach. Many concerned parents are told, “Don’t worry” or “Wait and see.” But waiting is the worst thing you can do. You risk losing valuable time at an age where your child has the best chance for improvement. Furthermore, whether the delay is caused by autism or some other factor, developmentally delayed kids are unlikely to simply “grow out of” their problems. In order to develop skills in an area of delay, your child needs extra help and targeted treatment.

Trust your instincts. Ideally, your child’s doctor will take your concerns seriously and perform a thorough evaluation for autism or other developmental delays. But sometimes, even well-meaning doctors miss red flags or underestimate problems. Listen to your gut if it’s telling you something is wrong, and be persistent. Schedule a follow-up appointment with the doctor, seek a second opinion, or ask for a referral to a child development specialist.

Signs and symptoms of autism in babies and toddlers
If autism is caught in infancy, treatment can take full advantage of the young brain’s remarkable plasticity. Although autism is hard to diagnose before 24 months, symptoms often surface between 12 and 18 months. If signs are detected by 18 months of age, intensive treatment may help to rewire the brain and reverse the symptoms.

The earliest signs of autism involve the absence of normal behaviors—not the presence of abnormal ones—so they can be tough to spot. In some cases, the earliest symptoms of autism are even misinterpreted as signs of a “good baby,” since the infant may seem quiet, independent, and undemanding. However, you can catch warning signs early if you know what to look for.

Some autistic infants don’t respond to cuddling, reach out to be picked up, or look at their mothers when being fed.

Early signs
Your baby or toddler doesn’t:

  • Make eye contact, such as looking at you when being fed or smiling when being smiled at
  • Respond to his or her name, or to the sound of a familiar voice
  • Follow objects visually or follow your gesture when you point things out
  • Point or wave goodbye, or use other gestures to communicate
  • Make noises to get your attention
  • Initiate or respond to cuddling or reach out to be picked up
  • Imitate your movements and facial expressions
  • Play with other people or share interest and enjoyment
  • Notice or care if you hurt yourself or experience discomfort

Signs and symptoms in older children
As children get older, the red flags for autism become more diverse. There are many warning signs and symptoms, but they typically revolve around impaired social skills, speech and language difficulties, non-verbal communication difficulties, and inflexible behavior.

Signs of social difficulties

  • Appears disinterested or unaware of other people or what’s going on around them
  • Doesn’t know how to connect with others, play, or make friends
  • Prefers not to be touched, held, or cuddled
  • Doesn’t play “pretend” games, engage in group games, imitate others, or use toys in creative ways
  • Has trouble understanding feelings or talking about them
  • Doesn’t seem to hear when others talk to him or her
  • Doesn’t share interests or achievements with others (drawings, toys)
  • Basic social interaction can be difficult for children with autism spectrum disorder. Many kids on the autism spectrum seem to prefer to live in their own world, aloof and detached from others.

Signs of speech and language difficulties

  • Speaks in an abnormal tone of voice, or with an odd rhythm or pitch (e.g. ends every sentence as if asking a question)
  • Repeats the same words or phrases over and over, often without communicative intent
  • Responds to a question by repeating it, rather than answering it
  • Uses language incorrectly (grammatical errors, wrong words) or refers to him or herself in the third person
  • Has difficulty communicating needs or desires
  • Doesn’t understand simple directions, statements, or questions
  • Takes what is said too literally (misses undertones of humor, irony, and sarcasm)

Children with autism spectrum disorder have difficulty with speech and language. Often, they start talking late.

Signs of nonverbal communication difficulties

  • Avoids eye contact
  • Uses facial expressions that don’t match what he or she is saying
  • Doesn’t pick up on other people’s facial expressions, tone of voice, and gestures
  • Makes very few gestures (such as pointing). May come across as cold or “robot-like.”
  • Reacts unusually to sights, smells, textures, and sounds. May be especially sensitive to loud noises. Can also be unresponsive to people entering/leaving, as well as efforts by others to attract the child’s attention.
  • Abnormal posture, clumsiness, or eccentric ways of moving (e.g., walking exclusively on tiptoe)

Children with autism spectrum disorder have trouble picking up on subtle nonverbal cues and using body language. This makes the “give-and-take” of social interaction very difficult.

Signs of inflexibility

  • Follows a rigid routine (e.g., insists on taking a specific route to school)
  • Has difficulty adapting to any changes in schedule or environment (e.g., throws a tantrum if the furniture is rearranged or bedtime is at a different time than usual)
  • Unusual attachments to toys or strange objects such as keys, light switches, or rubber bands. Obsessively lines things up or arranges them in a certain order.
  • Preoccupation with a narrow topic of interest, often involving numbers or symbols (e.g., memorizing and reciting facts about maps, train schedules, or sports statistics)
  • Spends long periods watching moving objects such as a ceiling fan, or focusing on one specific part of an object such as the wheels of a toy car
  • Repeats the same actions or movements over and over again, such as flapping hands, rocking, or twirling (known as self-stimulatory behavior, or “stimming”). Some researchers and clinicians believe that these behaviors may soothe children with autism more than stimulate them.

Children with autism spectrum disorder are often restricted, inflexible, and even obsessive in their behaviors, activities, and interests.

Causes of autism
Until recently, most scientists believed that autism is caused mostly by genetic factors. But groundbreaking new research indicates that environmental factors may also be important in the development of autism.

Babies may be born with a genetic vulnerability to autism that is then triggered by something in the external environment, either while he or she is still in the womb or sometime after birth.

It’s important to note that the environment, in this context, means anything outside the body. It’s not limited to things like pollution or toxins in the atmosphere. In fact, one of the most important environments appears to be the prenatal environment.

Prenatal factors that may contribute to autism
Taking antidepressants during pregnancy, especially in the first 3 months

Nutritional deficiencies early in pregnancy, particularly not getting enough folic acid

The age of the mother and father

Complications at or shortly after birth, including very low birth weight and neonatal anemia

Maternal infections during pregnancy

Exposure to chemical pollutants, such as metals and pesticides, while pregnant

More research on these prenatal risk factors is needed, but if you’re pregnant or trying to conceive, it can’t hurt to take steps now to reduce your baby’s risk of autism.

Autism and vaccines
While you can’t control the genes your child inherits, or shield him or her from every environmental danger, there is one very important thing you can do to protect the health of your child: make sure he or she is vaccinated on schedule.

Despite a lot of controversy on the topic, scientific research does not support the theory that vaccines or their ingredients cause autism. Five major epidemiologic studies conducted in the U.S., UK, Sweden, and Denmark, found that children who received vaccines did not have higher rates of autism. Additionally, a major safety review by the Institute of Medicine failed to find any evidence supporting the connection. Other organizations that have concluded that vaccines are not associated with autism include the Centers for Disease Control and Prevention (CDC), the U.S. Food and Drug Administration (FDA), the American Academy of Pediatrics, and the World Health Organization (WHO).

What to do if you’re worried
If your child is developmentally delayed, or if you’ve observed other red flags for autism, schedule an appointment with your pediatrician right away. In fact, it’s a good idea to have your child screened by a doctor even if he or she is hitting the developmental milestones on schedule. The American Academy of Pediatrics recommends that all children receive routine developmental screenings, as well as specific screenings for autism at 9, 18, and 30 months of age.

Schedule an autism screening. A number of specialized screening tools have been developed to identify children at risk for autism. Most of these screening tools are quick and straightforward, consisting of yes-or-no questions or a checklist of symptoms. Your pediatrician should also get your feedback regarding your child’s behavior.

See a developmental specialist. If your pediatrician detects possible signs of autism during the screening, your child should be referred to a specialist for a comprehensive diagnostic evaluation. Screening tools can’t be used to make a diagnosis, which is why further assessment is needed. A specialist can conduct a number of tests to determine whether or not your child has autism. Although many clinicians will not diagnose a child with autism before 30 months of age, they will be able to use screening techniques to determine when a cluster of symptoms associated with autism is present.

Seek early intervention services. The diagnostic process for autism is tricky and can sometimes take a while. But you can take advantage of treatment as soon as you suspect your child has developmental delays. Ask your doctor to refer you to early intervention services. Early intervention is a federally funded program for infants and toddlers with disabilities. Children who demonstrate several early warning signs may have developmental delays. They will benefit from early intervention whether or not they meet the full criteria for an autism spectrum disorder. In other words, there is more risk involved in the wait-and-see approach than in receiving early intervention.

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