Background: Approximately 1 million people in the United States suffer from aphasia and > 50% of those people may demonstrate recurrent perseverations. No consensus has been forthcoming on whether: (1) a therapy that directly confronts clients with imminent pre-articulatory automatisms (the perseverations); or (2) a more typical…

Agrammatism is a frequent sequela of Broca's aphasia that manifests itself in omission and/or substitution of the grammatical morphemes in spontaneous and constrained speech. The hierarchical structure of syntactic trees has been proposed as an account for difficulty across grammatical morphemes (e.g., tense, agreement, and negation). Supporting…