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SUpporting wellbeing through PEeR-Befriending (SUPERB) feasibility trial: fidelity of peer-befriending for people with aphasia
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Supporting wellbeing through peer-befriending (SUPERB) for people with aphasia: A feasibility randomised controlled trial
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Solution Focused brief therapy In post-stroke Aphasia (SOFIA): feasibility and acceptability results of a feasibility randomised wait-list controlled trial
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Early evoked brain activity underlies auditory and audiovisual speech recognition deficits in schizophrenia
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In: Neuroimage Clin (2021)
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Abstract:
OBJECTIVES: People with Schizophrenia (SZ) show deficits in auditory and audiovisual speech recognition. It is possible that these deficits are related to aberrant early sensory processing, combined with an impaired ability to utilize visual cues to improve speech recognition. In this electroencephalography study we tested this by having SZ and healthy controls (HC) identify different unisensory auditory and bisensory audiovisual syllables at different auditory noise levels. METHODS: SZ (N = 24) and HC (N = 21) identified one of three different syllables (/da/, /ga/, /ta/) at three different noise levels (no, low, high). Half the trials were unisensory auditory and the other half provided additional visual input of moving lips. Task-evoked mediofrontal N1 and P2 brain potentials triggered to the onset of the auditory syllables were derived and related to behavioral performance. RESULTS: In comparison to HC, SZ showed speech recognition deficits for unisensory and bisensory stimuli. These deficits were primarily found in the no noise condition. Paralleling these observations, reduced N1 amplitudes to unisensory and bisensory stimuli in SZ were found in the no noise condition. In HC the N1 amplitudes were positively related to the speech recognition performance, whereas no such relationships were found in SZ. Moreover, no group differences in multisensory speech recognition benefits and N1 suppression effects for bisensory stimuli were observed. CONCLUSION: Our study suggests that reduced N1 amplitudes reflect early auditory and audiovisual speech processing deficits in SZ. The findings that the amplitude effects were confined to salient speech stimuli and the attenuated relationship with behavioral performance in patients compared to HC, indicates a diminished decoding of the auditory speech signals in SZs. Our study also revealed relatively intact multisensory benefits in SZs, which implies that the observed auditory and audiovisual speech recognition deficits were primarily related to aberrant processing of the auditory syllables.
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Keyword:
Regular Article
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC8683777/ https://doi.org/10.1016/j.nicl.2021.102909 http://www.ncbi.nlm.nih.gov/pubmed/34915330
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Adjustment with aphasia after stroke: a pilot feasibility randomised controlled trial for supporting wellbeing through peer-befriending (SUPERB)
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Challenges for the Representations for Morphology in Ontology Lexicons ...
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Challenges for the Representations for Morphology in Ontology Lexicons ...
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Early Jurassic felsic and associated mafic meta-igneous rocks in Otago Schist, Central Otago, New Zealand ...
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Early Jurassic felsic and associated mafic meta-igneous rocks in Otago Schist, Central Otago, New Zealand ...
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IMPACT OF INSTRUCTION ON COLLEGE STUDENTS’ PERCEPTIONS OF OLDER ADULTS
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Resistance to sliding in orthodontics: misconception or method error? A systematic review and a proposal of a test protocol
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Preliminary evidence that androgen signaling is correlated with men’s everyday language
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