Understanding Stimming: What It Means and How to Support
If you’ve ever seen someone repeatedly flap their hands, rock back and forth, or hum to themselves, you may have witnessed stimming. While these behaviors can seem unusual at first, they’re often a natural and essential part of life for many individuals with autism.
In this post, we’ll explore what stimming is, why it matters, and how we can support and understand those who use it.
What is Stimming?
Stimming, short for “self-stimulatory behavior,” refers to repetitive movements, sounds, or actions. It can include things like:
- Hand-flapping
- Rocking back and forth
- Spinning objects
- Tapping fingers
- Repeating words or phrases (echolalia)
- Humming or making other vocal sounds
Who Stims?
Everyone engages in some form of stimming. Think about tapping your foot when nervous, twirling your hair while thinking, or biting your nails when anxious. For neurotypical individuals, these actions might go unnoticed. But for individuals with autism and others with neurodevelopmental conditions (such as ADHD or sensory processing disorder), stimming can be more frequent and noticeable, and deeply important.
Why Is Stimming Important?
For many neurodivergent people, stimming is a vital self-soothing tool. Suppressing it can lead to increased stress, meltdowns, or burnout. Trying to eliminate stimming—often referred to as “masking”—can be emotionally hurtful.
It’s crucial to recognize that stimming, unless it causes bodily harm, does not need to be “fixed.”
Why Do People with Autism Stim?
Stimming serves many purposes. It can help:
- Sensory Regulation: People with sensory processing differences may under- or over-react to environmental stimuli (lights, sounds, textures). Stimming provides predictable sensory feedback, helping to balance their internal state.
- Emotional Expression and Release: Frustration, anxiety, excitement, and joy can all be overwhelming. Stimming allows a physical outlet for these strong emotions when other forms of expression feel too challenging.
- Communication: For individuals who struggle with verbal language, stims can signal their current state: for instance, flapping hands may express excitement, while rocking might indicate anxiety.
- Self-soothing and Focus: Similar to how some people chew gum or tap a foot unconsciously, stimming can help maintain concentration, especially during tasks that feel unstimulating or overly demanding.
It’s essential to recognize that stimming is not a behavior to be “fixed.” Instead, it’s a form of coping, expression, and self-regulation.
When Is Stimming a Concern?
Stimming is generally harmless. However, there are cases where it might require intervention:
- Self-injurious behaviors: Such as head-banging or biting, which can lead to injury.
- Interference with learning or daily activities: When it prevents someone from engaging in essential tasks.
Even then, the goal isn’t to eliminate stimming but to understand the why behind it and offer safer or more appropriate alternatives.
How to Support Someone Who Stims
- Don’t Judge or Shame. Avoid calling stimming “weird” or “wrong.” Respect it as part of someone’s way of existing in the world.
- Ask Before Intervening. Unless the behavior is harmful, there’s usually no need to intervene. If you’re unsure whether a stim is disruptive, ask respectfully.
- Learn Their Triggers. Understanding what causes stress or overstimulation can help reduce the need for distress-based stimming.
- Provide Sensory Tools. Fidget toys, noise-canceling headphones, textured fabrics, or weighted blankets can all help support self-regulation.
- Be an Advocate. If you’re a parent, friend, or coworker, help others understand stimming, too. Normalize it. Inclusion starts with education.
Support, don’t suppress. Embrace, don’t erase!
Litzy Vivas graduated from Texas State University in 2022 with her Bachelor of Science in Health Sciences. She is pursuing a Master of Science in Applied Behavior Analysis at Purdue University, working toward becoming a BCBA. Beginning her ABA journey in 2023 in San Antonio, she was later given the opportunity to support her community through BrightPath Behavior in 2024. She chose the field of ABA because she’s passionate about helping children reach their full potential. Litzy believes each child’s progress reflects the dedication and hard work of both the child and the family. She loves being a part of that support system and witnessing the life-changing impact of ABA therapy. A fun fact about her is that she has two cats, Frankie and Ivy.