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Mechanisms of Brain Activation Following Naming Therapy in Aphasia: A Systematic Review on Task-Based Fmri Studies Publisher Pubmed



Shekari E1 ; Seyfi M2 ; Modarres Zadeh A3 ; Batouli SA4, 5 ; Valinejad V3 ; Goudarzi S6 ; Joghataei MT1, 7
Authors
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Authors Affiliations
  1. 1. Department of Neuroscience, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
  2. 2. Medical Physics and Biomedical Engineering, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
  3. 3. Department of Speech Therapy, Faculty of Rehabilitation, Tehran University of Medical science, Tehran, Iran
  4. 4. Neuroimaging and Analysis Group, Tehran University of Medical Sciences, Tehran, Iran
  5. 5. School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
  6. 6. Department of Pharmacology and Toxicology, Tehran University of Medical Science, Tehran, Iran
  7. 7. Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran

Source: Applied Neuropsychology:Adult Published:2023


Abstract

The pattern of brain neuroplasticity after naming therapies in patients with aphasia can be evaluated using task-based fMRI. This article aims to review studies investigating brain reorganization after semantic and phonological-based anomia therapy that used picture-naming fMRI tasks. We searched for those articles that compared the activation of brain areas before and after aphasia therapies in the PubMed and the EMBASE databases from 1993 up to April 2020. All studies (single-cases or group designs) on anomia treatment in individuals with acquired aphasia were reviewed. Data were synthesized descriptively through tables to allow the facilitated comparison of the studies. A total of 14 studies were selected and reviewed. The results of the reviewed studies demonstrated that the naming improvement is associated with changes in the activation of cortical and subcortical brain areas. This review highlights the need for a more systematic investigation of the association between decreased and increased activation of brain areas related to anomia therapy. Also, more detailed information about factors influencing brain reorganization is required to elucidate the neural mechanisms of anomia therapy. Overall, regarding the theoretical and clinical aspects, the number of studies that used intensive protocol is growing, and based on the positive potential of these treatments, they could be suitable for the rehabilitation of people with aphasia. © 2022 Taylor & Francis Group, LLC.
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