Acquisition and functional use of signing and writing in deaf adults with mental retardation through conditional discrimination

Akira Mochizuki, Kazuko Nozaki, Hiroshi Watanabe, Jyun'ichi Yamamoto

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

Two deaf adults with mental retardation were trained to establish a stimulus equivalence among object, word, and sign through word-object and sign-object conditional discriminations for new vocabularies. The formation of the functional equivalence relations was tested both in an ordinal "tact" setting and in a "mand" setting. Results showed that: (1) the subjects could learn indirectly sign-word relations; (2) they could demand objects by writing and/or signing the name of objects without direct training of expression when the subjects took the role of the "demander." Moreover, each subject showed a spontaneous change of expressive mode (e.g., signing to writing, writing to signing), when an incorrect object was offered. Also, as the "supplier," each subject reconfirmed the requested object with a mode other than the demander's. These mode changes within and between subjects also represent the formation of a stimulus equivalence among object, word, and sign. The efficacy of the training in new vocabularies, by the combined use of conditional discrimination and the social behavior chain, was discussed for the deaf person with mental retardation.

Original languageEnglish
Pages (from-to)233-249
Number of pages17
JournalJournal of the Multihandicapped Person
Volume1
Issue number3
DOIs
Publication statusPublished - 1988 Sep

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Intellectual Disability
Vocabulary
Persons With Hearing Impairments
Social Behavior
Names

Keywords

  • conditional discrimination
  • deaf adults with mental retardation
  • mand
  • signing
  • stimulus equivalence
  • writing

ASJC Scopus subject areas

  • Health Professions(all)
  • Clinical Biochemistry

Cite this

Acquisition and functional use of signing and writing in deaf adults with mental retardation through conditional discrimination. / Mochizuki, Akira; Nozaki, Kazuko; Watanabe, Hiroshi; Yamamoto, Jyun'ichi.

In: Journal of the Multihandicapped Person, Vol. 1, No. 3, 09.1988, p. 233-249.

Research output: Contribution to journalArticle

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