Anthropic says Claude developed a hidden “thinking space” by itself during training.
It is called the J-space: a small set of internal patterns that show what concepts Claude has “on its mind,” even when it never says them.
Example: Claude can silently think “spider” to answer “8 legs.” If researchers replace that internal pattern with “ant,” Claude answers “6.”
So this is not just chain-of-thought text. It is silent internal activity.
In neuroscience, global workspace theory holds that thoughts become consciously accessible when they enter a privileged workspace that’s broadcast across the br...