PMC5874353_01
(A) A sample of the patient's writing from March 15th to April 14th in 2013. The sentences are written horizontally from the left to the right with the current style of kana orthography. Katakana is only used for foreign words or for writing the type of rice (underlined). "March 16. From 7:50 AM on March 15 to 8:00 AM Disinfection of 11 kg unhulled rice with Sporutak . On the 16th take them out of the fluid/March 16. Put them in water at 5:00 PM March 25. Prepare the soil in order to plant 53 cases of Kinuhikari (a type of rice) from 8:30 AM to 11:00 AM April 1. Prepare the ground in the morning. April 3. Sprout from 10:00 AM until 5:00 PM on April 4. April 4. Take the cases out of the water. April 6. Scatter 55 cases of unhulled Kinuhikari rice from 7:30 AM to 10:30 AM. April 6. Turn the electric nursery chamber on April 8. Cover the rice nursery with sheets from 8:00 AM. April 8. Take 55 seedlings out from 3:50 PM to 4:30 PM. April 14. Take the Nylon sheets off and spray with water at 10:15 AM". (B) A sample of his writing dated May 3 of 2014. Here, the sentences are written vertically with kanji and katakana using the historical kana orthography (arrowheads). Hiragana is mixed into some words (dots). "Breakfast menu. Breakfast. Rice, soup, spinach. From 7:45. Noritama seasoning powder. Radish and carrot soup. Lunch menu. Lunch menu. A piece of sea bream, potatoes, rice, radish and carrot, Harusame, and fruits" (the first three columns).
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He only used katakana for foreign words and to describe varieties of rice (Fig. 1A). After May 2014, the patient's diary was written in katakana and kanji with a historical form of kana orthography - as if it had been written before World War II (Fig. 1B).
Writing the names of objects shown in pictures. The patient was asked to "Write the names of the objects shown in the pictures using kana (not indicating hiragana or katakana) " (right), and to "Write the names of the objects shown in pictures using hiragana" (left), "electric train", "toothbrush", "safe box", "playground slide", "comb", "lighthouse", "carrot", "electric fan", "top", "owl", "skate", "camel", and "toothbrush". When the patient was asked to write in hiragana (left), he used katakana letters in some words (dots).
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When he was asked to write them using hiragana, he wrote some letters using katakana (Fig. 2).
T2-weighted magnetic resonance imaging of the patient's brain. The left frontoparietal lobe is atrophic.
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Society for Higher Brain Dysfunction) was normal. Brain magnetic resonance imaging revealed atrophy of the left frontoparietal lobe (Fig. 3). Single photon emission computed tomography using 99mTc-ethyl cysteinate dimer revealed hypoperfusion at the left middle and inferior frontal gyrus and the anterior area of the left Sylvian fissure (Fig. 4).
Single photon emission computed tomography using 99mTc-ethyl cysteinate dimer.
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Society for Higher Brain Dysfunction) was normal. Brain magnetic resonance imaging revealed atrophy of the left frontoparietal lobe (Fig. 3). Single photon emission computed tomography using 99mTc-ethyl cysteinate dimer revealed hypoperfusion at the left middle and inferior frontal gyrus and the anterior area of the left Sylvian fissure (Fig. 4).