Excitement dimension, however seemed protective. The reason might be excitement/mania domain definition.
[doi.org]
Children may rapidly go from being excited, happy, and active to being depressed, withdrawn, and sluggish or full of rage and violent.
[msdmanuals.com]
Depressive, positive, negative, excitement and disorganised domains were detected in SCH sample, whereas depressive, excitement and psychotic appeared for BD [ 14, 15, 16,
[doi.org]