This edition of By the Numbers maps where the autism services cliff is steepest, plots hospital costs for autistic youth and charts the overlap of ADHD and autism.

Early interventions for autism lack solid data. The source of this problem is murky but may stem from ongoing debates about evidence quality and entrenched conflicts of interest within the field.

Dozens of rare mutations of unknown effects seen in autistic people cause significant changes to fruit flies, suggesting they are linked to the condition.

The animals recall fear more readily if a set of inhibitory neurons in the hippocampus is switched on.

It’s a mixed bag of ICYMIs from the autism research Twittersphere this week, ranging from separable cell clusters to research concerns of different kinds.

Here is a roundup of news and research for the week of 4 April.

Models trained on datasets that lack racial and ethnic diversity perform less accurately on brain scans from Black Americans than their white counterparts.

In this edition, a strategy to help autistic children adapt their skills to new situations shows no benefit, but an early-life autism biomarker does.

Overexpressing genes involved in the pathway, which regulates protein quality, changes repetitive behaviors in the animals.