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Character amnesia
Character amnesia is a phenomenon whereby experienced speakers of some East Asian languages forget how to write Chinese characters previously well known to them. The phenomenon is specifically tied to prolonged and extensive use of input methods, such as those that use romanizations of characters, and is documented to be a significant issue in China and Japan. Modern technology, such as mobile phones and computers, allows users to enter Chinese characters using their phonetic transcription without knowing how to write them by hand Whether or not the phenomenon is as widespread or troubling as some have claimed is the subject of debate.
== Background ==
Chinese characters are a logographic form of writing, where the form of the character is not always directly related to its pronunciation. The characters are composed of a combination of 8–11 standard strokes, over a hundred common radicals, and hundreds of phonetic components. The characters can be very complex and learning them is a highly neuro-muscular task, meaning that it is difficult to remember how to write the characters without repetitive practice in writing them by hand. Scientific studies have also shown that while reading utilizes diverse areas of the brain, reading Chinese makes unique usage of distinct parts of the frontal and temporal areas of the brain associated with motor memory, areas associated with handwriting.
It is difficult to establish exactly how many different Chinese characters are in use today; the new HSK, a widely used proficiency test for Standard Chinese as a second language, tests over 2,600 different characters, whilst in 1988 the People's Republic of China published the ''List of Commonly Used Characters in Modern Chinese'' which contains 7,000 different characters. In Japan, where a smaller set of characters are in general usage, the Japanese Ministry of Education prescribes the teaching of 2,136 kanji in primary and secondary school in a list called the jōyō kanji, meaning "regular-use Chinese characters".
Chinese character literacy in both China and Japan is taught by rote memorization, where schoolchildren become proficient at writing characters by writing them by hand repeatedly. As a result of people becoming less reliant on handwriting and more willing to use computer input methods, they are no longer exposed to the necessary reinforcement to retain the ability to write the characters. Those affected by character amnesia are still capable of reading text and visually recognizing characters, but are unable to write some characters by hand, usually those less frequently used, without the aid of an input method device such as a mobile phone or computer.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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