You are being asked to evaluate Dylan, a seven-year-old boy who is showing signs of regression. He no longer plays with friends, can only show interest in two patterns of play, and has lost the ability to hold a conversation with his peers. Dylan fits criteria for:

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Quizplus · Accepted Answer

There is no event that would suggest Adjustment Disorder is a cause here. His conduct is not really out of line, considering everything else that's going on for him. And if his conduct is not really out of line, the Oppositional Defiant Disorder doesn't really fit, either. Disintegrative Disorder is where children lose certain abilities that were easily learned before age 10, with intermittent recovery.

You Are Being Asked to Evaluate Dylan, a Seven-Year-Old Boy