“…Chronic cigarette smoking is a common comorbid condition in alcohol dependence (Romberger and Grant, 2004;Hurt et al, 1994;Pomerleau et al, 1997), illicit substance abuse, schizophrenia-spectrum and mood disorders (Patkar et al, 2006;Dani and Harris, 2005;Esterberg and Compton, 2005;Fergusson et al, 2003). While nicotine may acutely facilitate learning and memory (Levin and Simon, 1998;Newhouse et al, 2004;Sacco et al, 2004), a growing body of evidence suggests chronic cigarette smoking in non-alcoholic individuals adversely affects multiple domains of neurocognition (e.g., Deary et al, 2003;Razani et al, 2004), including learning and memory (Heffernan et al, 2005;Hill et al, 2003;Richards et al, 2003;Schinka et al, 2003).…”