The child who reverts to thumb sucking and whining when his mother brings a new baby home is using the defense mechanism known as regression.

Question

Quizplus · Accepted Answer

Regression is a defense mechanism where an individual reverts to an earlier stage of development or behavior that provided them with a sense of safety and comfort. In this scenario, the child is reverting back to thumb sucking and whining, which they may have relied on during earlier stages of their development. This behavior is likely a response to the anxiety and uncertainty they feel about the new addition to their family.

The Child Who Reverts to Thumb Sucking and Whining When