That there is a strong effect is fairly well documented:<p><a href="https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Split-brain" rel="nofollow">https:&#x2F;&#x2F;en.wikipedia.org&#x2F;wiki&#x2F;Split-brain</a><p>Whether there are two full consciousnesses I think is not established.