Specific language impairment a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography

Children with specific language impairment (SLI) have problems in expressing themselves verbally and are generally a few years behind other children in language skills. They have limited vocabulary and are often late to talk. We recorded auditory cortex’s response to speech sounds and non speech sou...

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Main Author: Keita, Pertti
Other Authors: Yhteiskuntatieteellinen tiedekunta, Faculty of Social Sciences, Psykologian laitos, Department of Psychology, University of Jyväskylä, Jyväskylän yliopisto
Format: Master's thesis
Language:eng
Published: 2014
Subjects:
Online Access: https://jyx.jyu.fi/handle/123456789/48895
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author Keita, Pertti
author2 Yhteiskuntatieteellinen tiedekunta Faculty of Social Sciences Psykologian laitos Department of Psychology University of Jyväskylä Jyväskylän yliopisto
author_facet Keita, Pertti Yhteiskuntatieteellinen tiedekunta Faculty of Social Sciences Psykologian laitos Department of Psychology University of Jyväskylä Jyväskylän yliopisto Keita, Pertti Yhteiskuntatieteellinen tiedekunta Faculty of Social Sciences Psykologian laitos Department of Psychology University of Jyväskylä Jyväskylän yliopisto
author_sort Keita, Pertti
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description Children with specific language impairment (SLI) have problems in expressing themselves verbally and are generally a few years behind other children in language skills. They have limited vocabulary and are often late to talk. We recorded auditory cortex’s response to speech sounds and non speech sound in SLI group and age matched control group using magnetoencephalography. Stimuli were presented as passive listening while children were watching TV and in active listening task. To account the different stages of auditory process we measured rather large time window of - 200 ms to 800 ms post stimulus. Active listening task evoked stronger response throughout the experiment. Where non speech sound (complex sound with 3 formants) induced the strongest activation for control group - this effect was not found in SLI group. Our results indicate some low level discrepancies how children with SLI process auditory stimuli.
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spellingShingle Keita, Pertti Specific language impairment : a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography MEG magnetoencephalography Specific language impairment SLI Psykologia Psychology 202 kielelliset häiriöt
title Specific language impairment : a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography
title_alt Look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography
title_full Specific language impairment : a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography
title_fullStr Specific language impairment : a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography Specific language impairment : a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography
title_full_unstemmed Specific language impairment : a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography Specific language impairment : a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography
title_short Specific language impairment
title_sort specific language impairment a look into auditory cortex in time window of 80 600ms post stimulus using magnetoencephalography
title_sub a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography
title_txtP Specific language impairment : a look into auditory cortex in time window of 80-600ms post stimulus using magnetoencephalography
topic MEG magnetoencephalography Specific language impairment SLI Psykologia Psychology 202 kielelliset häiriöt
topic_facet 202 MEG Psychology Psykologia SLI Specific language impairment kielelliset häiriöt magnetoencephalography
url https://jyx.jyu.fi/handle/123456789/48895 http://www.urn.fi/URN:NBN:fi:jyu-201602231652
work_keys_str_mv AT keitapertti specificlanguageimpairmentalookintoauditorycortexintimewindowof80600mspoststimulusus