A child who is sensitive may be distracted by a door slamming and will not be able to maintain focus, whereas a child who tends to not be sensitive to external noises will be able to maintain their focus.
A child may be distracted by a door slamming. This child is sensitive. A child will not be able to maintain focus. This child is sensitive. A child will be able to maintain their focus. This child tends to not be sensitive to external noises.