People with aphantasia cannot form mental images, challenging the theory that imagination works by reversing the visual processing pipeline backward through the primary visual cortex. Research shows that imagination involves coordinated activity across multiple brain regions—including frontal and temporal areas—rather than a single visual screen, as evidenced by patients who retain visualization ability despite primary visual cortex damage.
Creative Commons has updated its licensing guidance to address AI's impact on content reuse, affirming that its core principles of flexible sharing and public access remain sound. CC maintains its recommendation for licensors to use the most flexible applicable license while recognizing legitimate restrictions, and introduces CC Signals as a new framework offering spectrum options for AI use of content and data.