When is Impulse Control Fully Developed? Impulse control can be difficult for many children, even though it is normal for their developmental stage. However, it is a crucial ability that may be developed and enhanced at any age. This is significant since many behavioral issues are caused by a lack of impulse control. Without effective intervention, impulsive habits have a tendency to normalize, … [Read more...] about When is Impulse Control Fully Developed – 5 Important Milestones