The discussion centers on whether the double-slit experiment has been conducted with a split-brain patient as an observer. It highlights that the requirement for a conscious observer to collapse the wave function is outdated, and modern quantum mechanics views observation as irrelevant to the outcome. The conversation emphasizes that biological systems, including the brain, operate under local laws of physics, negating any faster-than-light communication between brain halves. Participants note that regardless of brain division, a complete brain perceives a single outcome, aligning with the consistent results observed in quantum experiments. Ultimately, the experiment's relevance to split-brain patients remains unaddressed, as no such studies appear to have been conducted.