Michael Knowles responds to the idea of trans brain difference

Everyone seems to have forgotten that brains are made, not born. The brain is always developing according to it's environment and the need for different parts to be strong and for neurons to fire more quickly. Neuroplasticity is key. That's why if someone says women's brains are different to men's, eg the ability to multitask, if you need to multitask you'll do it better and better the more you have to do it. Analysing trans people's brains show nothing as its a reflection of the way their brains have responded to their environment.

Yes and it’s funny how these apparently innate brain differences always seem to express themselves via things like clothes and hairstyles (which we know vary hugely throughout history); and not supposedly “female” personality traits like, oh, I don’t know, being meek, quiet, delicate, accommodating, shy and nonviolent (which have been thought of as particularly “feminine” characteristics pretty much invariantly across history).

She didn't realise that she was putting up an argument that contradicts the 'true self/nothing to do with sex assigned at birth' argument. I have seen this pink brain/blue body position in the materials used to teach gender. This is the contradiction in the trans argument: either it's spiritual or it's material, but they have said it cannot be both and also that it is both....so which is it? They can never explain, as she could not explain, falling back on not having the exact figures only the findings.

Even if the brain of a person who identifies as trans were closer to that of their identified gender (Narrator's voice: "They're not"), who is to say that these minor differences override than the vastly larger biological differences of sexual organs, hormone levels, etc.

He goes off on a tangent about souls which for me is irrelevant and also not a basis for argument, but his initial response to point out that she's now arguing that gender IS determined by biology is a good one to make and one I made years ago. I have found in general though that the science for brain differences is so weak that I prefer to just focus on rebutting that and keep it simple.

There ARE different tendencies between male and female brains, but my understanding is that they are developmental rather than inherent. By which I mean the different environments - size of the brain case, the bath or hormones in which they operate - lead to slightly different outcomes. A red rose was always going to grow red and not white, but the difference between male and female brains is more akin to two red roses grown in slightly different conditions.

And I've never seen any evidence that the brains of trans people follow the opposite tendency to their actual sex. And indeed, as we are ONLY talking tendencies and not clear separation that wouldn't really be meaningful anyway as a trans person would merely be an outlier for their sex amongst many other outliers who WEREN'T trans.

Of course that last point would suddenly have TRAs pipe up that other outliers were trans but just didn't know it, which is patronizing.