Japan would never ever let another foreign Asian country take them over. Japan is still a very nationalist country sinceWWII and its been steadily increasing. If they didn't have a population issue, their work conditions were better for the everyday person, and companies were not allowed to run rampant with corruption, they'd probably be in a similar position at the turn of the 20th century of being an Imperial country again looking to dominate all of Asia.

We're already seeing an uptick in national military fervor take place in Japan with their multi-billion dollar increase in their defense budget because of threats like North Korea and Russia. The US will happily arm them too and look to them to be a strong ally as tensions rise in the Pacific. Japan will probably be a sleeping beast in the Pacific that no one should fuck with in the future, earthquakes or not.

My prediction with the future of Japan is that we will probably see the eradication of their defense force in favor of starting a Japanese military and navy again. This will be highly controversial as the rest of Asia will not be thrilled by this and many would argue this would only increase tension in the region. They will probably mostly buy surplus from the US, but I also wouldn't be surprised that we see new state of the art aircraft from Mitsubishi and Toyota (Mitsubishi already has plans to develop a new fighter). The biggest controversy will be that they will have nuclear arms, but as tensions keep increasing, most will see that as self defense against North Korea.

I think we can say that about most living creatures as a whole though and not necessarily just the brain. I'm way oversimplifying it, but most living beings are just a collection of complex cells, from brain to body.

Michio Kaku has a great book called the 'The Future of the Mind'. Not exactly the most reputable since he's a theoretical physicist and not a neuroscientist.

His writing though, is very easy to read. He gives a great overview of how humanity has thought about the brain throughout history, important scientific discoveries, and where neuroscience is at now. The rest of the book is his speculation about where he thinks we will go in the future with neuroscience.

I don't really see it ever being possible to upload or transfer your consciousness outside of your body.

Most psychology and biology agree that the brain and body can't really exist without one another.

The brain is also far more complex than what we thought. It's nothing like a computation machine or memory storage device. It's more like a corporation with different departments running different tasks that are governed by a central body that acts as our facing consciousness. It's also incredibly imperfect. It's prone to errors or even certain 'departments' briefly taking over.

These 'departments' very likely mean we have different consciousnesses with different desires, consider themselves a different age, and identify as different genders and have preferred sexualities. They're also all developing at different rates as life happens for a person.

It seems like such a daunting task to comprehend what makes us tick let alone capture that and somehow transfer it over. There's more scientific evidence about reversing cellular degeneration than anything about consciousness transferring.