Stereology Resource Center View Institution's Website 1 article published in JoVE Biology Knowing What Counts: Unbiased Stereology in the Non-human Primate Brain Mark Burke1, Shahin Zangenehpour2, Peter R. Mouton3, Maurice Ptito2 1Department of Physiology, University of Montreal, 2Ecole d’optometrie, University of Montreal, 3Stereology Resource Center The anatomical organization of the primate brain can provide important insights into normal and pathological conditions in humans. Unbiased stereology is a method for accurately and efficiently estimating the total neuron number (or other cell type) in a given reference space1.