Neuropsychiatric symptoms cluster and fluctuate over time in behavioral variant frontotemporal dementia. Morrow CB, Kamath V, Dickerson BC, Eldaief M, Rezaii N, Wong B, McGinnis S, Darby R, Staffaroni AM, Lapid MI, Pascual B, Rojas JC, Masdeu JC, Tsapkini K, Huey ED, Fisher DW, Pantelyat A, Balaji A, Sah E, Litvan I, Rascovsky K, Ghoshal N, Domoto-Reilly K, Kornak J, Onyike CU, ALLFTD Consortium Psychiatry and clinical neurosciences