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Characterizing Bilingual Effects on Cognition: The Search for Meaningful Individual Differences.
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In: Brain sciences, vol 11, iss 1 (2021)
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Characterizing Bilingual Effects on Cognition: The Search for Meaningful Individual Differences
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In: Brain Sci (2021)
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Joint Attention in Hearing Parent-Deaf Child and Hearing Parent-Hearing Child Dyads.
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In: IEEE transactions on cognitive and developmental systems, vol 12, iss 2 (2020)
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Parental use of multimodal cues in the initiation of joint attention as a function of child hearing status.
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In: Discourse processes, vol 57, iss 5-6 (2020)
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The Cross-Modal Suppressive Role of Visual Context on Speech Intelligibility: An ERP Study.
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In: Brain sciences, vol 10, iss 11 (2020)
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Abstract:
The efficacy of audiovisual (AV) integration is reflected in the degree of cross-modal suppression of the auditory event-related potentials (ERPs, P1-N1-P2), while stronger semantic encoding is reflected in enhanced late ERP negativities (e.g., N450). We hypothesized that increasing visual stimulus reliability should lead to more robust AV-integration and enhanced semantic prediction, reflected in suppression of auditory ERPs and enhanced N450, respectively. EEG was acquired while individuals watched and listened to clear and blurred videos of a speaker uttering intact or highly-intelligible degraded (vocoded) words and made binary judgments about word meaning (animate or inanimate). We found that intact speech evoked larger negativity between 280-527-ms than vocoded speech, suggestive of more robust semantic prediction for the intact signal. For visual reliability, we found that greater cross-modal ERP suppression occurred for clear than blurred videos prior to sound onset and for the P2 ERP. Additionally, the later semantic-related negativity tended to be larger for clear than blurred videos. These results suggest that the cross-modal effect is largely confined to suppression of early auditory networks with weak effect on networks associated with semantic prediction. However, the semantic-related visual effect on the late negativity may have been tempered by the vocoded signal's high-reliability.
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Keyword:
audiovisual integration; auditory evoked potentials; Cognitive Sciences; cross-modal suppression; Neurosciences; Psychology; speech intelligibility; word identification
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URL: https://escholarship.org/uc/item/1f51x043
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Functional near-infrared spectroscopy as a tool for assessing speech and spoken language processing in pediatric and adult cochlear implant users.
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In: Developmental psychobiology, vol 61, iss 3 (2019)
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Executive Function in Deaf Children: Auditory Access and Language Access.
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In: Journal of speech, language, and hearing research : JSLHR, vol 61, iss 8 (2018)
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Functional near-infrared spectroscopy as a tool for assessing speech and spoken language processing in pediatric and adult cochlear implant users.
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In: Bortfeld, Heather. (2018). Functional near-infrared spectroscopy as a tool for assessing speech and spoken language processing in pediatric and adult cochlear implant users. Developmental psychobiology. doi:10.1002/dev.21818. UC Merced: Retrieved from: http://www.escholarship.org/uc/item/4jq6k1bm (2018)
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Functional Near-Infrared Spectroscopy As a Tool for Assessing Speech and Spoken Language Processing in Pediatric and Adult Cochlear Implant Users
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In: Dev Psychobiol (2018)
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Joint Attention in Hearing Parent-Deaf Child and Hearing Parent-Hearing Child Dyads
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In: IEEE Trans Cogn Dev Syst (2018)
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Auditory Deprivation Does Not Impair Executive Function, But Language Deprivation Might: Evidence From a Parent-Report Measure in Deaf Native Signing Children.
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In: Journal of deaf studies and deaf education, vol 22, iss 1 (2017)
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Auditory Deprivation Does Not Impair Executive Function, But Language Deprivation Might: Evidence From a Parent-Report Measure in Deaf Native Signing Children
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Cortical Activation Patterns Correlate with Speech Understanding After Cochlear Implantation.
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In: Ear and hearing, vol 37, iss 3 (2016)
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Infants' preference for native audiovisual speech dissociated from congruency preference.
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In: PloS one, vol 10, iss 4 (2015)
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Phonetic matching of auditory and visual speech develops during childhood: evidence from sine-wave speech.
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In: Journal of experimental child psychology, vol 129 (2015)
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