Inclusion Criteria: 6 months post-onset of aphasia due to unilateral left-hemisphere (LH) stroke Independent in activities of daily living (ADLs) necessary to live in community-based housing or available caregiver to assist with ADLs Medically stable and able to tolerate intensive treatment schedule (e.g. no uncontrolled seizures, difficulty breathing, frequent migraines) English as a first language No participation in any other speech-language treatment during this study, including follow-up period Sufficient auditory comprehension abilities demonstrated during screening Sufficient naming impairment exhibited during screening Exclusion Criteria: Right Hemisphere stroke Neurological disease other than stroke Significant psychiatric disorder Severe motor speech disorder Active substance dependence