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Telegraphic speech, according to linguistics and psychology, is speech during the two-word stage of language acquisition in children, which is laconic and efficient.〔Barker, S. (2004). ''Psychology (2nd ed.).'' Boston: Pearson Education.〕 The name derives from the fact that someone sending a telegram was generally charged by the word. To save money, people typically wrote their telegrams in a very compressed style, without conjunctions or articles. As children develop language, they speak similarly: when a child says "Daddy here", it is understood that the child means "Daddy is here", omitting the copula. The words dropped in this style of speech are closed class or functional words. In the field of psychology, telegraphic speech is defined as a form of communication consisting of simple three or more word sentences usually comprising at least one noun and verb that adhere to the grammatical standards of the culture's language. For example, an English-speaking child would say "Give cupcake" to express that they would like a cupcake rather than "Cupcake give", as a Turkish- or Japanese-speaking child would. Researchers have noted that this period of language acquisition occurs some time between the ages of 18–36 months and is present not just in English-speaking cultures, but can be found worldwide.〔Bloom, L. (1970). ''Language development: Form and function in emerging grammars.'' Cambridge, MA: MIT Press.〕 In adults, regression to telegraphic speech may indicate a neurological problem such as multiple sclerosis. Telegraphic speech is also common in non-fluent aphasia (Broca's aphasia), which is caused by a stroke damaging the posterior-inferior frontal lobe. It is also a potential symptom of schizophrenia, as a manifestation of manneristic speech. ==See also== *Critical period#Linguistics 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Telegraphic speech」の詳細全文を読む スポンサード リンク
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