Hot niche take:

Kegan's stages are universal only because everyone is universally afflicted with a dysfunction related to left hemisphere fixation.

In a culture where this wasn't so, there would still be developmental stages, but they'd be nearly unrecognizable as Kegan stages. https://twitter.com/QiaochuYuan/status/1211831917328207873
The left hemisphere maintains a worldview that it thinks is consistent and perfect, always. That's its main job: to treat the world as something it understands and can manipulate.

It denies the contradictions inherent to its map, whatever they are. https://twitter.com/Malcolm_Ocean/status/1245780356722237441
The right hemisphere, by contrast, cares more about seeing things as they are than having a perfect model where all of the parts fit together and there's a right answer.

But we actively stunt this kind of thinking with modern culture & education. https://twitter.com/Malcolm_Ocean/status/1120567497432940544
As people develop more sophisticated ways of making sense of the world, whether via rationality or new age stuff, they end up with some sort of system that they interpret everything through, stored in their left hemisphere.

This mostly runs their meaning-making show.
Kegan 1 is before LH takes over
Kegan 2 is pre-ethical LH: I control the world to meet my needs
Kegan 3 subjects that to external ethical system
Kegan 4 learns to construct own internal system
Kegan 5 stops trying to do things with a single consistent system, so must be RH-based.
My model clears up a common confusion with Kegan's model, which is "don't kids feel empathy? it clearly can't take until Kegan 3 to feel empathy."

Of course not. But if LH has taken over, it takes a bunch of development to hack together simulated empathy. https://twitter.com/Malcolm_Ocean/status/1193386192374513664
So in a fluid-mode world like @Meaningness describes where ppl don't grow up fixated in LHem, there'd still be a development process of grasping ever more complex systems...

...but they'd be able to fluidly play with whatever level they *can* grasp! https://twitter.com/Meaningness/status/851432133650505730
Open Q: in this fluid world, would there still be discernable stages that map onto Kegan's stages?

I don't have a good guess either way on this, but I have an intuition that any model whose stages naturally map onto Kegan's likely has a similar issue. This is many models: 😂
My current best candidate for a model to track the part of Kegan that isn't thusly confused is the Model of Hierarchical Complexity

Separates out the "how complex are the cognitive primitives you can manipulate" from cultural stuff.

@HFreinacht's intro:
https://metamoderna.org/what-is-the-mhc/
Then the Q: "what specific primitives are you using?"

This isn't just qualitative. Some primitives of equal complexity are more powerful than others.

Kids readily take to Systems Thinking, a metaframework that outclasses most ethical systems 🕸️ https://twitter.com/DanielGolemanEI/status/711962082271469569
One model of what's going on with subject-object shifts in the Kegan sense (& also MHC upleveling) is that it's when the left hemisphere is able to grasp X as primitive, rather than it being at the paradox level.

This could imply the RH is always one stage up from the LH...
...but if I had to guess I'd say there's actually a bunch of other learning for the RH to do, that either doesn't look like developmental stages, or is a completely different axis of dev stages.

It's hard to put my finger on what it is though. https://twitter.com/Malcolm_Ocean/status/1132420973238657030
Anyway! I feel pretty satisfied with this Kegan+McGilchrist model (which I've had a rough version of for over a year) & this articulation of it.

& I'm sure it's got gaps & tangles, and maybe an inconsistency somewhere.

In any case, I'd love to hear what you think of it!

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