Nonpharmacological interventions for cognitive impairments following primary progressive aphasia: a systematic review of the literature - Carthery-Goulart, Maria Teresa; Silveira, Amanda da Costa da; Machado, Thais Helena; Mansur, Leticia Lessa; Parente, Maria Alice de Mattos Pimenta; Senaha, Mirna Lie Hosogi; Brucki, Sonia Maria Dozzi; Nitrini, Ricardo (Dementia & Neuropsychologia, 2013)