^ I think you are both describing shutdowns not meltdowns. They are both caused by an overload of some sort, but I think meltdowns are external noticeable behaviour and shutdowns are internalised and less noticeable.
Have a butchers at this to see if it resonates
Ha , I just found the page I read this on.
https://www.rdiconnect.com/shutdowns-ar ... meltdowns/
Quote:
When the world around us pushes us to stress overload, as it often does, we turn to our long-learned coping mechanisms to navigate the challenges. But what if we are autistic, and have crossed the threshold of overwhelm? When our emotional resources are tapped out, in exhaustion our brain may react by going into a protective mode called shutdown.
Shutdown vs. Meltdown
The terms shutdown and meltdown are often used interchangeably. While both are reactions caused by sensory, information, or emotional overload, a meltdown consists of more outward behavior, and a shutdown is an internalized mode that is much less noticeable.
The most common signs of a shutdown are:
Being completely silent
Staring into space (dissociating)
Unable to communicate in any way
Using incorrect words or stuttering
Withdrawing to a dark or quiet place (to break away from the cause of the shutdown)
Inability to move away (sitting or laying down in place)
Lying on the floor or a flat surface and remaining very still
A person having a meltdown displays outward behaviors and may scream, attack people, hurt themself and break things, which often looks like a temper tantrum.
A person experiencing a shutdown, unlike someone who is having a meltdown, is aware of self-control and that they are in the throes of distress, however, the individual is not able during a shutdown to control their muted internal response. Their brain continues to process in shutdown mode until it recovers and resets.
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