Decreased Prefrontal Activation during Matrix Reasoning in Predementia Progranulin Mutation Carriers. Alexander C, Zeithamova D, Hsiung G-YR, Mackenzie IR, Jacova C J Alzheimers Dis. 2018; 62(2):583-589. PMID: 29480174. Abstract Comment Bookmark Recommend Follow Comment | Bookmark | Recommend | Follow