Challenging Behaviors: Meltdowns and Self-Injury

In this chapter, we'll take on one of the topics families worry about most and find most exhausting — intense meltdowns and self-injurious behaviors — in a compassionate but honest way.

Understanding the Communication Behind the Behavior

Remember the "overflowing cup" analogy from Chapter 38: intense behavioral outbursts (sometimes called meltdowns) are usually not malicious or deliberate — they're moments when built-up sensory, emotional, or communicative load spills over. In applied behavior analysis (Chapter 21), these behaviors are understood to serve one of four basic functions: avoiding or escaping something (an unwanted task, a sound, a demand being made), gaining access to something (a wanted object or activity), seeking attention, or meeting a sensory/internal need (self-regulation, seeking stimulation).

Good to Know — Asking About the "Function" of a Behavior

When you're faced with a behavior, asking "what need is this behavior meeting?" before asking "how do I stop this behavior?" leads to far more effective and lasting solutions. This approach is also the foundation of the systematic process behavior therapists call a "functional behavior assessment."

Recognizing and Preventing Triggers

The progress journal we suggested in Chapter 42 can help you notice the patterns behind meltdowns (what time, what setting, after what event). Common triggers include sensory overload (Chapter 8), unexpected transitions or changes (Chapter 7), not being able to express a need because of communication difficulty (Chapter 9), tiredness, hunger, or an underlying pain or discomfort (Chapter 28). Recognizing triggers in advance is a far more effective strategy than trying to "extinguish" the behavior.

What to Do in a Crisis

• Stay calm: your calm is one of the most powerful tools for helping your child regulate
• Make the environment safe: move sharp or breakable objects away, and go to a calmer space if needed
• Avoid talking too much and making demands; this is not a moment for teaching or arguing
• Offer your child a calming strategy you've chosen in advance and know works (deep pressure, a favorite object, quiet)
• After the meltdown passes, once your child is ready, gently talk through what happened together

Self-Injurious Behaviors

Self-injurious behaviors such as head-banging, biting, or pinching oneself can appear in some children with ASD, especially those with limited verbal communication. These behaviors also usually serve a function: releasing intense sensory or emotional load, expressing pain or discomfort (Chapter 28, on the importance of ruling out underlying medical causes), or signaling a need when there's no other way to communicate. If these behaviors reach a concerning level in terms of frequency, severity, or persistence, they should absolutely be assessed jointly by a behavior specialist and a pediatric neurologist/developmental pediatrician.

Caution / When to Seek Advice

A sudden increase in self-injurious behavior, newly appearing self-injury, or behaviors that carry a risk of serious harm call for a thorough assessment without delay; that assessment should cover both the behavioral function and possible underlying medical causes (pain, seizures, medication side effects).

Tip / Practical Suggestion

At a calm time, work out an alternative way for your child to express a need together (showing a card, making a specific sign, using a word). This "functional communication training" is a far more effective long-term strategy that can take the place of challenging behaviors.