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And what they discovered, they discovered that lead changed NOVA1 activity in both types of organoids, influencing genes linked to conditions like autism and even epilepsy. However, there was only one of the nova1 variants that altered the activity of a gene that's called the FOXP2. The gene is crucial for speech and language. So people with certain FOXP2 mutations, they struggled to form complex words and sentences. So these neurons are related to complex language and are susceptible to death in archaic versions of NOVA1. The FOXP2 gene is identical between us and the antigone, but it's how the gene is regulated by NOVA1 that likely contributes to language differences.