Defined by a constellation of caregiver-reported symptoms that includes daydreaming, difficulty initiating and sustaining effort, lethargy, and physical underactivity. These symptoms have been observed in both typically developing children and in some children with Attention-Deficit/Hyperactivity Disorder (ADHD), especially those with the predominantly inattentive presentation. (J Abnormal Child Psychology; 46: Jan 2018.127). . [from
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