Picture Exchange Communication System (PECS) is a form of augmentative and alternative communication. It is typically used as an aid in communication for children with autism and other special needs. The system has been used with a variety of ages including preschoolers, adolescents and adults who have a wide array of communicative, cognitive and physical difficulties. PECS has been the subject of academic research. It was developed in 1985 by Lori Frost, M.S., CCC-SLP and Andy Bondy, Ph.D.
Read more about Picture Exchange Communication System: Overview, Philosophy, PECS Protocol, Effectiveness
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“The explanation of the propensity of the English people to portrait painting is to be found in their relish for a Fact. Let a man do the grandest things, fight the greatest battles, or be distinguished by the most brilliant personal heroism, yet the English people would prefer his portrait to a painting of the great deed. The likeness they can judge of; his existence is a Fact. But the truth of the picture of his deeds they cannot judge of, for they have no imagination.”
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“Hence, a generative grammar must be a system of rules that can iterate to generate an indefinitely large number of structures. This system of rules can be analyzed into the three major components of a generative grammar: the syntactic, phonological, and semantic components.”
—Noam Chomsky (b. 1928)