Lying

What to do right now

They lied. Before responding, identify which kind of lie it is — impulsive denial, shame-avoidance, or deliberate deception — because they need different responses. For impulsive denial: "I think you know what happened. Let's talk about it." For shame-avoidance: address the shame before the behaviour. For deliberate deception: clear consequence for the deception, separate from the original issue.

What your brain just did

Your body

They lied. About homework, about what happened, about something small or something big. The breach of trust is sharp.

Your brain

ADHD children lie more frequently than neurotypical peers, but the mechanism is different. It's often impulsive, avoidant lying: the truth has a consequence that feels overwhelming, and the lie is the path of least immediate resistance. The prefrontal cortex didn't weigh the long-term cost of dishonesty against the short-term relief of avoidance.

What this did

Reducing the emotional cost of truth-telling reduces the lying. 'I can handle the truth better than a lie' matters. Making honesty safe matters more than punishing dishonesty.

What your child is experiencing

Their body

They lied because the truth felt more dangerous than the lie. Their nervous system chose the path that felt safest in the moment, even though they know lying is wrong.

Their brain

ADHD children lie more frequently but the mechanism is usually avoidant, not manipulative. The truth has a consequence that feels overwhelming. The prefrontal cortex cannot weigh long-term trust against short-term relief. The lie is the path of least immediate emotional resistance.

What they need

Make truth-telling safe. Reduce the emotional explosion that follows honesty. 'Thank you for telling me the truth' has to be genuine and consistent. If honesty always leads to a calmer outcome than lying, the lying reduces. They need to experience that truth is survivable.