The Global Workspace in Language Models (J-space)

Anthropic's July 2026 finding that LLMs maintain a small privileged set of verbalizable representations — the J-space — that satisfies the functional criteria of a cognitive global workspace: verbal report, directed modulation, internal reasoning, flexible generalization, and selectivity; it carries <10% of activation variance and ~25 concepts at a time, yet the causal effects concentrate almost entirely in it