Through CT scans, researchers know a lot more about brain development now than just a few years ago. Researchers can now identify areas in our brain which are activated for certain tasks. So it is with toileting. However researchers have also learned that it takes about 24 months before this area can be consciously controlled by the brain.
To push a toddler or shout at her or him for not doing the right thing or shaming the child for soiling himself or herself is inappropriate and abusive.
A toddler will have signs of readiness for toilet learning such as: