Research Trends According to the Speech Production Mechanism of Patients with Dysarthria Caused by Acute Brain Injury in Korea

The purpose of this study was to analyze research trends in Korea related to dysarthria according to the speech production mechanism and to present the basis for evaluation and intervention according to the speech production mechanism of dysarthric patients with acute brain injury. Through a search engine, articles published in domestic journals were searched. A total of 43 papers were selected from the searched documents and analyzed according to the year, research subject, and research task. First, in the annual analysis, it was found that research on articulation was conducted most actively among the speech production mechanisms. Second, it can be seen that a number of studies have been conducted on spastic and flaccid types, and mild degree in terms of disorder type and severity, respectively. Third, in terms of speech production units, phonemes and syllable units were used for evaluating respiration and vocalization mechanisms. Sentence and paragraph units were used for the prosody mechanism. These results might be used for the fundamental data to establish the most suitable evaluation methods and intervention plans for patients with dysarthria in clinical and research fields.