Article

Question-asking strategy for people with aphasia to remember food names

We have developed a personal vocabulary assistant system as an Android smartphone application for aphasic people who can recognize objects and understand what they are but have difficulty finding the names of objects. Our system assists these aphasic people so that they can record the names of daily meals. We performed a pre-test using the prototype system with one patient and found two reasons for erroneous answers: pushing wrong button and the difference between the definition of the food/dish of the database and that of the users. Therefore, we proposed a method for dealing with them and implemented the system by improving the database and introducing a probabilistic model. When we performed the experiment with three patients, the system was able to lead the user to the correct name even when there were some erroneous answers.

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