PVALB and schizophrenia: This hypothesis can also be put alongside the research that has brought to light lacunae amongst the neurons involved in long-term memory and memory consolidation, in schizophrenia patients; in particular, lacunae within certain populations of neurons with precocious neurogenesis that express parvalbumin within the hippocampus (Donato et al., 2015; Genzel et al., 2015; Carvalho, 2017).