A few thoughts to consider about possible 2e in addition to anxiety (that's a 2e, too).
I was looking over some of my journal article clippings and noticed one about differences and similarities in presentation of a specific form of familial dyslexia in average cognitive and high verbal IQ kids. (Keep in mind this may or may not translate to other forms of dyslexia, of which there are many.) Many familiar points, but a couple of additional nuances. Highlights:
1. Unlike average IQ dyslexics, high verbal IQ dyslexics often read, comprehend, and spell in the average range, but that doesn't mean they're not struggling more subtly.
2. Behaviorally, they may be observed to be inattentive, especially in the classroom, because of the relatively heavy phonological and orthographic working memory load involved in reading and writing. Processing speed is also affected because of weak automaticity in basic skills.
3. On formal testing, even though they may read, comprehend, and write at or above normative levels, the same underlying phonological processing inefficiencies and working memory deficits are present as are found in average cognitive dyslexics, they just don't get referred for this kind of evaluation as often, because teachers (and sometimes parents) don't believe they are underachieving. [Good instruments to find these are the CTOPP/CTOPP-2 and PAL/PAL-II. And also other tests that include RAN and RAS measures (rapid automaticity).]
