The goal of this intervention study is to investigate the effects of immersive virtual reality in rehabilitation of language and communication of individuals with post-stroke aphasia. The main research questions are: 1. Is VR-based script training a feasible treatment to Cantonese-speaking PWA? 2. Will VR-based script training, when compared to conventional script training, better enhance treatment outcomes in functional communication of PWA? Participants will be assessed before, in the middle of, immediately after treatment and 8-week post treatment in terms of their performance on: 1. Accuracy and time for producing trained scripts. 2. Accuracy and time for producing un-trained scripts 3. Standardized aphasia test on severity of language impairment 4. Standardized aphasia test on functional communication The participants will be randomly allocated to receive one of the treatment: 1. Virtual reality-based computerized script training; or 2. Computerized script training without virtual reality Researchers will compare the treatment outcomes of the two treatment conditions and see if treatment with virtual reality would better promote outcomes when compared to training without virtual reality.
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Percentage correct in reading aloud the sentences included in the trained scripts
Timeframe: From baseline up to 1-week post training
Time required in read aloud of trained scripts
Timeframe: From baseline up to 1-week post training
Percentage correct in spontaneous production of the sentences included in the trained scripts
Timeframe: From baseline up to 1-week post training
Time required for spantaneous production of trained scripts
Timeframe: From baseline up to 1-week post training