Certainly. pm away!

You might also consider alternate hypotheses, such as central auditory processing disorder.

I think many aspects of children start to sort out as they reach middle elementary/intermediate age (8, 9, 10 yo, or so). They also begin to become more self-aware, and thus able to describe their experience to you, which helps in understanding what internal and external factors are at work.

...pronounced like the long vowel and first letter of the alphabet...