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Loss of speech.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



absence or impairment of speech in children caused by underdevelopment or lesions in the speech zones of the dominant hemisphere of the cerebral cortex.

There are two types of alalia: motor and sensory. In motor alalia, the motor functions of speech are impaired, while understanding of speech is basically retained. Alalic children will learn to pronounce individual sounds but not sound combinations and will often display syllable paraphasia, for instance, saying “kitchen” instead of “chicken.” As the alalic child acquires a vocabulary, he often develops agrammatism; he uses wrong case endings and does not use prepositions, conjunctions, or adverbs. In sensory alalia, the understanding of speech is impaired, while elementary hearing is retained. The alalic child makes an effort to speak, but his speech is completely unintelligible to others. Because of this profound speech impairment, alalic children become psychologically underdeveloped.

Instruction in reading and writing is difficult at all stages. Alalic children attend special schools where they are taught by special methods to pronounce words, construct sentences, and develop the ability of sound analysis of words, which helps in the formation of reading and writing skills. After training in such schools, children with motor alalia learn to speak and master the academic program of regular schools, although they proceed at a slower pace than normal children.


Levina, R. E. Opyt izucheniia negovoriashchikh detei (alalikov). Moscow, 1951.
The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.
References in periodicals archive ?
Corsica is quite rightly proud of its produce and we end our stay with lunch at Aux Coquillages de Diana, a popular fish and seafood restaurant on stilts at the Etang de Diana in Aleria on the east coast.
The NBI said the Alerias were the first to be arrested inside a van at a gas station in Tagum City on the night of Nov.
While the Alerias were in NBI custody, agents learned they were being called by Magalso who was demanding the proceeds of the sale of explosives he gave to the Alerias.
Aleria was said to be the maintenance chief of Northern Samar District Engineer's Office and chairman of its bids and awards committee.
District engineer Angie Opina asked the police authorities to speed up their investigation into the killing of Aleria.
"President Duterte also thanked Vietnam for warm reception being extended to around 3,800 Filipinos working in Vietnam and he appealed for humanitarian assistance in favor of a certain Captain Rommel Aleria who has been detained in Vietnam since 2016 for alleged illegal cross-border recruitment," Roque said.
Josefa, San Agustin, Esperanza, San Luis, Bunawan and Veruela, in Agusan del Sur; Bacuag, Gigaquit, San Benito, Burgos, San Francisco, Tubajon, Claver, Aleria and Socorro in Surigao del Norte; Bayabas, Lianga, San Miguel, Marihatag, Madrid and Cagwait in Surigao del Sur; Divilacan and Tumauini in Isabela; Dona Remedios Trinidad and Marilao in Bulacan; Esperanza in Masbate; Rosales and Mapandan in Pangasinan; Amadeo in Cavite; Barauen in Leyte; Pitogo in Zamboanga del Sur; Talusan in Zamboanga Sibugay; San Jose in Batangas; Sanchez Mira and Piat in Cagayan Valley.