Search Results - "SHAFER, Valerie L"

Mismatch Negativity (MMN) as an Index of Cognitive Dysfunction by Näätänen, Risto, S. Sussman, Elyse, Salisbury, Dean, L. Shafer, Valerie

“…Cognition is often affected in a variety of neuropsychiatric, neurological, and neurodevelopmental disorders. The neural discriminative response, reflected in…”
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Neural Representation of the English Vowel Feature [High]: Evidence From /ε/ vs. /ɪ by Yu, Yan H, Shafer, Valerie L

“…Many studies have observed modulation of the amplitude of the neural index mismatch negativity (MMN) related to which member of a phoneme contrast [phoneme A,…”
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Maturation of cortical auditory evoked potentials (CAEPs) to speech recorded from frontocentral and temporal sites: Three months to eight years of age by Shafer, Valerie L., Yu, Yan H., Wagner, Monica

“…The goal of the current analysis was to examine the maturation of cortical auditory evoked potentials (CAEPs) from three months of age to eight years of age…”
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Acoustic-level and language-specific processing of native and non-native phonological sequence onsets in the low gamma and theta-frequency bands by Wagner, Monica, Ortiz-Mantilla, Silvia, Rusiniak, Mateusz, Benasich, April A., Shafer, Valerie L., Steinschneider, Mitchell

“…Acoustic structures associated with native-language phonological sequences are enhanced within auditory pathways for perception, although the underlying…”
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Editorial: Phonological Representations and Mismatch Negativity Asymmetries by Hestvik, Arild, Scharinger, Mathias, Shafer, Valerie L., Lahiri, Aditi

“…[...]they observed an effect of order of condition presentation (which stimulus first served as the standard in blocks that alternated which stimulus…”
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Language Learning Under Varied Conditions: Neural Indices of Speech Perception in Bilingual Turkish-German Children and in Monolingual Children With Developmental Language Disorder (DLD) by Rinker, Tanja, Yu, Yan H, Wagner, Monica, Shafer, Valerie L

“…Lateral temporal measures of the auditory evoked potential (AEP) including the T-complex (positive Ta and negative Tb), as well as an earlier negative peak…”
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From Sensory Perception to Lexical-Semantic Processing: An ERP Study in Non-Verbal Children with Autism by Cantiani, Chiara, Choudhury, Naseem A, Yu, Yan H, Shafer, Valerie L, Schwartz, Richard G, Benasich, April A

“…This study examines electrocortical activity associated with visual and auditory sensory perception and lexical-semantic processing in nonverbal (NV) or…”
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Neurophysiological and Behavioral Responses of Mandarin Lexical Tone Processing by Yu, Yan H, Shafer, Valerie L, Sussman, Elyse S

“…Language experience enhances discrimination of speech contrasts at a behavioral- perceptual level, as well as at a pre-attentive level, as indexed by…”
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T-complex measures in bilingual Spanish-English and Turkish-German children and monolingual peers by Rinker, Tanja, Shafer, Valerie L, Kiefer, Markus, Vidal, Nancy, Yu, Yan H

“…Lateral temporal neural measures (Na and T-complex Ta and Tb) of the auditory evoked potential (AEP) index maturation of auditory/speech processing. These…”
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Maturation of Speech Discrimination in 4- to 7-Yr-Old Children as Indexed by Event-Related Potential Mismatch Responses by Shafer, Valerie L, Yu, Yan H, Datta, Hia

“…OBJECTIVES:This study examined maturation of mismatch responses (MMRs) to an English vowel contrast (/I/ versus /ε/) in 4- to 7-yr-old children…”
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Neural measures of a Japanese consonant length discrimination by Japanese and American English listeners: Effects of attention by Hisagi, Miwako, Shafer, Valerie L, Strange, Winifred, Sussman, Elyse S

“…Abstract This study examined automaticity of discrimination of a Japanese length contrast for consonants (miʃi vs. miʃʃi) in native (Japanese) and non-native…”
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Developmental Language Disorder as Syntactic Prediction Impairment by Hestvik, Arild, Epstein, Baila, Schwartz, Richard G, Shafer, Valerie L

“…We provide evidence that children with Developmental Language Disorder (DLD) are impaired in predictive syntactic processing. In the current study, children…”
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The Duration of Auditory Sensory Memory for Vowel Processing: Neurophysiological and Behavioral Measures by Yu, Yan H, Shafer, Valerie L, Sussman, Elyse S

“…Speech perception behavioral research suggests that rates of sensory memory decay are dependent on stimulus properties at more than one level (e.g., acoustic…”
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Perception of a Japanese vowel length contrast by Japanese and American English listeners: Behavioral and electrophysiological measures by Hisagi, Miwako, Shafer, Valerie L, Strange, Winifred, Sussman, Elyse S

“…Abstract This study examined the role of automatic selective perceptual processes in native and non-native listeners' perception of a Japanese vowel length…”
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Vocabulary of Toddlers Who Are Late Talkers by MacRoy-Higgins, Michelle, Shafer, Valerie L., Fahey, Katlin J., Kaden, Elyssa R.

“…The purpose of this study was to understand vocabulary characteristics in toddlers who are late talkers (LT) as compared with age-matched (AM) and…”
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Language Experience with a Native-Language Phoneme Sequence Modulates the Effects of Attention on Cortical Sensory Processing by Wagner, Monica, Lee, Jungmee, Mingino, Francesca, O'Brien, Colleen, Constantine, Adam, Shafer, Valerie L, Steinschneider, Mitchell

“…Auditory evoked potentials (AEP) reflect spectro-temporal feature changes within the spoken word and are sufficiently reliable to probe deficits in auditory…”
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Maturation of Mismatch Negativity in Typically Developing Infants and Preschool Children by Morr, Mara L, Shafer, Valerie L, Kreuzer, Judith A, Kurtzberg, Diane

“…OBJECTIVE1) To determine whether an adult-like mismatch negativity (MMN) can be reliably elicited in typically developing awake infants and preschool children,…”
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Minimally-verbal children with autism show deficits in theta and gamma oscillations during processing of semantically-related visual information by Ortiz-Mantilla, Silvia, Cantiani, Chiara, Shafer, Valerie L., Benasich, April A.

“…To acquire language, children must build phonemic representations of their native language, learn to associate auditory words to visual objects and assemble a…”
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Stability of the Cortical Sensory Waveforms, the P1-N1-P2 Complex and T-Complex, of Auditory Evoked Potentials by Wagner, Monica, Shafer, Valerie L, Haxhari, Evis, Kiprovski, Kevin, Behrmann, Katherine, Griffiths, Tara

“…Purpose: Atypical cortical sensory waveforms reflecting impaired encoding of auditory stimuli may result from inconsistency in cortical response to the…”
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Second-Language Learning Effects on Automaticity of Speech Processing of Japanese Phonetic Contrasts: An MEG study by Hisagi, Miwako, Shafer, Valerie L, Miyagawa, Shigeru, Kotek, Hadas, Sugawara, Ayaka, Pantazis, Dimitrios

“…Abstract We examined discrimination of a second-language (L2) vowel duration contrast in English learners of Japanese (JP) with different amounts of experience…”
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