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Sharon Inkelas: “The A-map model: Articulatory reliability in child-specific phonology”

January 15, 2016 @ 2:00 pm - 3:00 pm  |  Stevenson Fireside Lounge


Sharon InkelasThis talk, based on joint work with Tara McAllister Byun and Yvan Rose, addresses a phenomenon of longstanding interest: the existence of child-specific phonological patterns which are not attested in adult language. We propose a new theoretical approach, termed the A(rticulatory)-Map model, to account for the origin and elimination of child-specific phonological patterns. Due to the performance limitations imposed by structural and motor immaturity, children’s outputs differ from adult target forms in both systematic and sporadic ways. The computations of the child’s grammar are influenced by the distributional properties of motor-acoustic traces of previous productions, stored in episodic memory and indexed in the eponymous A-map. We propose that child phonological patterns are shaped by competition between two essential forces: the pressure to match adult productions of a given word (even if the attempt is likely to fail due to performance limitations), and the pressure to attempt a pronunciation that can be realized reliably (even if phonetically inaccurate). These forces are expressed in the grammar by two constraints that draw on the motor-acoustic detail stored in the A-map. These constraints are not child-specific, but remain present in the adult grammar, although their influence is greatly attenuated as a wide range of motor plans come to be realized with a similar degree of reliability. The A-map model thus not only offers an account of a problematic phenomenon in development, but also provides a mechanism to model motor- grammar interactions in adult speech, including in cases of acquired speech impairment.

Sharon Inkelas is Professor of Linguistics at UC Berkeley.

Linguistic Colloquium Series:

The Linguistic department hosts colloquium talks by distinguished faculty from around the world.

Fall 2015
October 9th: Keith Johnson, UC Berkeley
October 16th: Heidi Harley, University of Arizona
October 30th: Ivano Caponigro, UC San Diego
November 20th: Elliott Moreton, University of North Carolina

Winter 2016
January 15th: Sharon Inkelas, UC Berkeley
February 5th: Colin Phillips, University of Maryland
February 6th: N. Goodman, Stanford University and A. Kehler, UC San Diego
March 5th: Linguistics Conference at Santa Cruz Conference

Spring 2016
April 15th: Sabine Iatridou, MIT
April 29th: Paul Kiparsky, Stanford University
May 6, 7, 8: Semantics of Under-Represented Languages in the Americas 9
May 20th: Kyle Johnson, University of Massachusetts
May 27th/June 3rd (TBA): Linguistics Undergraduate Research Conference


January 15, 2016
2:00 pm - 3:00 pm
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Stevenson Fireside Lounge
Humanites 1 University of California, Santa Cruz Cowell College
Santa Cruz, CA 95064 United States
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Linguistics Department
(831) 459-2386
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