2021 年 21 巻 1 号 p. 10-16
Mirror writing refers to writing as if the script was reflected in a mirror. This study describes the case of a patient who exhibited mirror writing with her left hand after suffering thalamic hemorrhage. Before the stroke, she was right-handed, but became unable to write with her right hand due to severe paralysis. Afterwards, she began writing with her left hand and mirror writing emerged. Interestingly, her mirror writing occurred frequently, even six months after the stroke. In addition, these features influenced the writing direction. There are more frequently emerged leftward and vertical directions. The reason why the feature of the phenomenon is characteristics of the movement to write a letter with left hand, and the role of the right hemisphere for writing.