Character amnesia
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".
Character amnesia
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.