Study findings revealed that COVID-19 survivors were at significantly heightened risk of developing cognitive deficits, insomnia, encephalitis, and at least four other neuropsychiatric sequelae.

vaccination was observed to attenuate the neuropsychiatric effects of the infection

Yes but by how much? Is it 5% or 50% or 95%?

Kinda important.

Perhaps the possibility exists that some of those neurodeficiencies were merely heightened/made more apparent in those that refused a vaccine for political reasons in the first place?

No but see a partisan committee with an axe to grind said it definitely came from a Chinese lab after 2 days of nonsense and grilling fauci so it’s fake and the vaccine is lethal and MAGA.