What Is Interoception and Why Does It Matter for Neurodivergent Children?
Your child doesn't notice when they're hungry until they're completely dysregulated. They don't feel the need to go to the toilet until it's urgent. They can't tell you whether they feel calm or anxious — they just react. They don't know if they're hot or cold until they're really hot or really cold.
These might all be interoception differences — and they're more common in neurodivergent children than most people realise.
What Interoception Is
Interoception is sometimes called the eighth sense — our ability to perceive the internal state of our body. It includes awareness of heartbeat, breathing, hunger, thirst, temperature, the need for the toilet, pain, nausea, fatigue, and emotional sensations in the body.
Recent neuroscience research has established that interoception is a fundamental sense that underlies emotional regulation — because emotions are partly experienced as physical sensations in the body. If you can't accurately perceive those body signals, emotional regulation is harder.
How Interoception Differences Affect ADHD and Autistic Children
Hunger and thirst: children who don't perceive hunger accurately often don't eat or drink adequately, which affects cognition, attention, and mood — all areas already challenged by ADHD.
Toileting: late or rushed toileting, accidents in children who are otherwise typically developing cognitively — often an interoception issue rather than a behaviour issue.
Temperature regulation: not noticing when they're cold/hot, dressing inappropriately for the weather despite apparent intelligence.
Emotional regulation: difficulty identifying emotions is partly an interoception issue. "How are you feeling?" — they genuinely don't know, because the body signals aren't registering accurately.
Pain perception: some neurodivergent children are hyposensitive to pain (don't notice injuries) or hypersensitive (very low pain threshold). Both are interoception differences.
What Helps
Occupational therapy with an interoception-aware OT is the gold standard. The "Interoception Curriculum" developed by Kelly Mahler is widely used and has good evidence.
At home: building interoceptive check-ins into the daily routine. "Before we start homework, let's check: are you hungry? Are you thirsty? Do you need the toilet?" Not because they should know but because external prompts can compensate for reduced internal awareness.
Naming body sensations explicitly: "Your heart is beating fast. Your hands feel tense. That's what worry feels like in your body." Building the vocabulary for body-feeling connections over years.