Altered expression of ARP2/3 complex signaling pathway genes in prefrontal layer 3 pyramidal cells in schizophrenia Datta D, Arion D, Roman KM, Volk DW and Lewis DA American Journal of Psychiatry, Published online August 2016 Lower dendritic spine density on layer 3 pyramidal cells in the dorsolateral prefrontal cortex (DLPFC) appears to contribute to cognitive dysfunction in schizophrenia, whereas psychosis is...