Maintaining and retrieving memories despite the presence of distractions or interference from similar memories requires appropriate attentional focus in a process that involves the prefrontal cortex (PFC), an area with known parvalbumin (PV) impairments in patients with schizophrenia (Beasley and Reynolds, 1997; Kaar et al., 2019). This evidence concerns the gene PVALB and schizophrenia.