26 - o Newport: critical period for language 1 Subjects:...

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560 3/26 26/03/2009 12:52:00 Critical Period Sensitive period Biologically-defined time window when experience is most effective Examples from earlier classes: o Bird song o Chick imprinting Critical Period for language Anecdotal evidence yes How can we test this hypothesis o Lenneberg 1967 Recovery from LH damage Kids better recovery from aphasia Limitation: RE-learning the language o L2 Learning Independent variable: age of exposure (3 to 39 years) Dependent variable: grammaticality judgments Variance increases with age as well Limitation: already know a language
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Unformatted text preview: o Newport: critical period for language 1 Subjects: deaf adults First exposed to ASL at age 0-25 ASL primary language Tested in late adulthood (age 60-70) Test: ASL grammar/morphology Results the same!: even for individuals who use asl everyday for their only languageif exposed later in like they are not nearly as good as it as people who were exposed early in life Case Study: Genie Supports critical period hypothesis? Messy case Humanitarian issues Scientific ethics issues 26/03/2009 12:52:00 26/03/2009 12:52:00...
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This note was uploaded on 09/20/2009 for the course PSY 560 taught by Professor Staff during the Spring '08 term at Wisconsin.

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26 - o Newport: critical period for language 1 Subjects:...

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