Here's a somewhat relevant study: "The Influence of Chronic Exposure to Antipsychotic Medications on Brain Size before and after Tissue Fixation: A Comparison

Here's a somewhat relevant study: "The Influence of Chronic Exposure to Antipsychotic Medications on Brain Size before and after Tissue Fixation: A Comparison of Haloperidol and Olanzapine in Macaque Monkeys" http://www.nature.com/npp/journal/v30/n9/full/1300710a.html http://www.nature.com/npp/journal/v30/n9/full/1300710a.html