Poor facial affect recognition among boys with duchenne muscular dystrophy.

Researchers asked boys with Duchenne or Becker muscular dystrophy to name emotions shown on faces.

They compared the scores to the boys' own brothers and sisters.

The boys with Duchenne/Becker MD scored much lower on reading facial feelings.

They did not differ on other thinking tests, so the trouble is specific to social cues.

Pilowsky et al. (2007) also used sibling controls and found no unique thinking profile in brothers and sisters of autistic kids. Both studies show that comparing siblings helps isolate syndrome-specific gaps.

Wong et al. (2009) tested teens with 22q11 deletion and found poor set-shifting, while Stancliffe et al. (2007) found poor face-reading in Duchenne boys. Together they show that different genetic syndromes can each hurt a narrow slice of social thinking.

Van Den Heuvel et al. (2018) tracked kids with 22q11DS for two years and saw social responsiveness slip even when IQ stayed flat. This matches the idea that social-cognitive skills can decline on their own, so early screening is key.

If you work with boys who have Duchenne or Becker MD, do not assume their social struggles come from muscle limits alone. Add a quick facial-emotion probe to your intake. When the child mis-labels 'angry' as 'sad,' teach him to look at eyebrow angle and mouth curve. Practise with flash cards or video clips. Share the data with teachers so they know the boy may need extra help reading faces on the playground.