Abstract
We performed rehabilitation for a female patient with apperceptive visual agnosia and impaired semantic memory after cerebral hypoxia. Three types of training were performed in series : 1) visual search and discrimination, 2) colored picture matching, 3) errorless learning of identification after enumerating visual features of objects. After the training, she became able to search and discriminate the stimuli quickly and systematically. This effect was maintained in follow-up. Her performance of colored picture matching improved, generalized to include other colored pictures, and was maintained in follow-up. Her visual identification of the objects used in the training also improved, and part of the improvement was maintained in follow-up. On the other hand, visual identification of new objects which were not used in the training did not improve.
However, she became accustomed to identifying objects after enumerating the visual features of objects in her daily life, and this habit improved her recognition of each object, after sufficient repetition. These results suggest that this training is available when we select objects having important roles in the daily life of the patient.
