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Articles 1 - 5 of 5
Full-Text Articles in Psychology
Language Abilities As A Function Of Lateralization Of Language-Specific Brain Networks, Jacey Anderson
Language Abilities As A Function Of Lateralization Of Language-Specific Brain Networks, Jacey Anderson
Honors Scholar Theses
The strength of hemispheric lateralization appears to be a good predictor of language abilities in children with developmental language impairments. Studies of healthy adults, in contrast, have generally failed to identify any association between degree of lateralization and language abilities, perhaps due to limited sensitivity to individual differences in standardized language assessments. This study used fMRI to measure the lateralization of functional task-engaged language networks in 25 healthy right-handed adults. Linear regressions examined lateralization indices (LI) of language activation in inferior temporal, superior temporal, and frontal brain networks, as a function of syntactic complexity (via story retelling), a grammaticality judgment …
Central Auditory Processing And The Link To Reading Ability In Adults, Lisa M. Brody
Central Auditory Processing And The Link To Reading Ability In Adults, Lisa M. Brody
Honors Scholar Theses
What makes someone a good reader? What makes someone a poor reader? The root biological marker of reading ability has yet to be determined. Many scientists agree that phonological awareness, the understanding of speech sounds, and phonological decoding are key components of reading ability (Melby-Lervag, Lyster, & Hulme, 2012). In addition to this, new research suggests that the auditory system, specifically the timing of auditory processing in the brain, provides a crucial platform that supports the development of reading ability (Banai et al., 2009). This thesis provides empirical data to support the link between reading skill …
The New Normal: Goodness Judgments Of Non-Invariant Speech, Julia R. Drouin
The New Normal: Goodness Judgments Of Non-Invariant Speech, Julia R. Drouin
Honors Scholar Theses
Previous research has found that perceptual learning, or normalizing the idiosyncratic phonemes of speech, causes a shift in speech sound category boundaries. The present study examined if perceptual learning was limited to the boundary or if also caused a shift in internal category structure. Seventeen individuals participated in three behavioral tasks to explicate this question. In the Lexical Decision task, participants were trained in either /s/-biasing or /ʃ/- biasing context. In the Goodness Judgment task, participants rated a continuum of sounds on perceived /s/ goodness using a designated scale. Finally, in the Phoneme Identification task, participants listened to the same …
Intact Statistical Word Learning In Autism Spectrum Disorders, Jessica Mayo
Intact Statistical Word Learning In Autism Spectrum Disorders, Jessica Mayo
Master's Theses
Individuals with Autism Spectrum Disorders (ASD) have impairments in language acquisition, but the underlying mechanism of these deficits is poorly understood. Implicit learning appears potentially relevant to language development, particularly in speech segmentation, which relies on sensitivity to the transitional probabilities between speech sounds. This study aimed to investigate the relationship between implicit learning and current language abilities in school-aged children with autism (n = 17) and typical development (n = 24) using a well-studied artificial language learning task. Results suggest that the ASD and TD groups were equally able to implicitly learn transitional probabilities from a lengthy …
Language-Specific Tuning Of Audiovisual Integration In Early Development, Juliana Flynn
Language-Specific Tuning Of Audiovisual Integration In Early Development, Juliana Flynn
Honors Scholar Theses
According to the perceptual narrowing hypothesis, older infants look longer towards speech in a native language than towards a non-native language. We presented speech in English, Spanish, and mis-matched English and Spanish speech, and recorded looking-time towards the speech. Results suggest that the synchrony of speech plays a strong role in infants' attention to speech, whereas nativeness of language does not.