A hypomethylating variant of MTHFR, 677C>T, blunts the neural response to errors in patients with schizophrenia and healthy individuals.

PLoS One · 2011 · PMC3182200 · PMID 21980405

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Association with error rate Although 677T carriers made more errors, and showed a trend towards decreased post-error slowing, these effects did not reach significance ( Table 1 ).

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