We are more likely to find there are cognitive problems following trauma and cognitive issues with porn consumption and cognitive issues with constantly being affirmed.
What we HAVE scientifically studied and proven is the concept of 'the extremist / cult brain'. This shows that the brain rewires when radicalised and isolated from alternative social groups. This has been proven in a number of studies across a number of different issues.
It's also been proven this can be reversed when exposed to a broader number of social groups and ideas. Basically radicalisation and echo chambers change the brain but it's reversible.
Thus on the basis of this research we really should be questioning the wisdom of affirmation only approaches and silencing of others who disagree with the concept of trans ESPECIALLY in children, because this evidence suggests it CREATES the problem and affects the brain.
I've posted about this before.
The more that we see emerging trans craziness and related threats (and actual) violence, the more this tends to support the 'extremist / cult brain theory' being appropriate to apply to it to trans activism.
What's noticeable is that it's STILL not women making threats to trans people, despite what's happened / happening to them.
But yeah, this isn't something that's being taken seriously despite the actions of some prominent trans activists.