Title
Production of Inflected Novel Words in Older Adults With and Without Dementia.
Abstract
While cognitive changes in aging and neurodegenerative disease have been widely studied, language changes in these populations are less well understood. Inflecting novel words in a language with complex inflectional paradigms provides a good opportunity to observe how language processes change in normal and abnormal aging. Studies of language acquisition suggest that children inflect novel words based on their phonological similarity to real words they already know. It is unclear whether speakers continue to use the same strategy when encountering novel words throughout the lifespan or whether adult speakers apply symbolic rules. We administered a simple speech elicitation task involving Finnish-conforming pseudo-words and real Finnish words to healthy older adults, individuals with mild cognitive impairment, and individuals with Alzheimer's disease (AD) to investigate inflectional choices in these groups and how linguistic variables and disease severity predict inflection patterns. Phonological resemblance of novel words to both a regular and an irregular inflectional type, as well as bigram frequency of the novel words, significantly influenced participants' inflectional choices for novel words among the healthy elderly group and people with AD. The results support theories of inflection by phonological analogy (single-route models) and contradict theories advocating for formal symbolic rules (dual-route models).
Year
DOI
Venue
2020
10.1111/cogs.12879
COGNITIVE SCIENCE
Keywords
DocType
Volume
Phonological analogy,Inflectional morphology,Single-route models,Dual-route models,Alzheimer's disease,Mild cognitive impairment,Aging,Language
Journal
44
Issue
ISSN
Citations 
8.0
0364-0213
0
PageRank 
References 
Authors
0.34
0
8
Name
Order
Citations
PageRank
Alexandre Nikolaev100.34
Eve Higby200.34
JungMoon Hyun300.34
Minna Lehtonen4133.47
Sameer Ashaie500.34
Merja Hallikainen600.34
Tuomo Hänninen7428.92
Hilkka Soininen81498.31