title: An fMRI study of implicit language learning in developmental language impairment.
abstract: Individuals with developmental language impairment can show deficits into adulthood. This suggests that neural networks related to their language do not normalize with time. We examined the ability of 16 adults with and without impaired language to learn individual words in an unfamiliar language. Adults with impaired language were able to segment individual words from running speech, but needed more time to do so than their normal-language peers. ICA analysis of fMRI data indicated that adults with language impairment activate a neural network that is comparable to that of adults with normal language. However, a regional analysis indicated relative hyperactivation of a collection of regions associated with language processing. These results are discussed with reference to the Statistical Learning Framework and the sub-skills thought to relate to word segmentation.
authors.affiliation: Department of Speech, Language, & Hearing Sciences, The University of Arizona, PO Box 210071, Tucson, AZ, USA.
authors.forename: Elena
authors.initials: E
authors.lastname: Plante
authors.affiliation: Department of Speech, Language, & Hearing Sciences, The University of Arizona, PO Box 210071, Tucson, AZ, USA.
authors.forename: Dianne
authors.initials: D
authors.lastname: Patterson
authors.affiliation: Department of Speech, Language, & Hearing Sciences, The University of Arizona, PO Box 210071, Tucson, AZ, USA.
authors.forename: Michelle
authors.initials: M
authors.lastname: Sandoval
authors.affiliation: Department of Speech, Language, & Hearing Sciences, The University of Arizona, PO Box 210071, Tucson, AZ, USA.
authors.forename: Christopher J
authors.initials: CJ
authors.lastname: Vance
authors.affiliation: Department of Biological & Medical Psychology, University of Bergen, Postboks 7802 5020 Bergen, Bergen, Norway.
authors.forename: Arve E
authors.initials: AE
authors.lastname: Asbjørnsen
mesh_terms: D000161:Acoustic Stimulation; D000293:Adolescent; D000704:Analysis of Variance; D001921:Brain / Q000000981:diagnostic imaging*; D005260:Female; D006801:Humans; D007091:Image Processing, Computer-Assisted; D007805:Language Development Disorders / Q000000981:diagnostic imaging*; D008279:Magnetic Resonance Imaging; D008297:Male; D010100:Oxygen / Q000097:blood; D014706:Verbal Learning / Q000502:physiology*; D055815:Young Adult
chemical_list: D010100:Oxygen
keywords: Brain; LI, Language impaired; Language; Learning; NL, Normal language; Specific language impairment; Statistical learning; fMRI