Monitoring alpha oscillations and pupil dilation across the performance-intensity function

Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear...
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Gespeichert in:

Autor*in:	Catherine M McMahon [verfasserIn] Isabelle eBoisvert [verfasserIn] Peter ede Lissa [verfasserIn] Louise eGranger [verfasserIn] Ronny eIbrahim [verfasserIn] Chi Yhun eLo [verfasserIn] Kelly eMiles [verfasserIn] Petra L Graham [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2016

Schlagwörter:	Speech Perception pupil dilation Alpha power listening effort listening in noise Perceived effort

Übergeordnetes Werk:	In: Frontiers in Psychology - Frontiers Media S.A., 2010, 7(2016)
Übergeordnetes Werk:	volume:7 ; year:2016

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3389/fpsyg.2016.00745

Katalog-ID:	DOAJ070886520

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520			\|a Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear whether they assess the same cognitive processes involved, or other sensory and/or neurophysiological mechanisms that are associated with the task. Therefore, the aim of this study is to compare alpha power and pupil dilation during a sentence recognition task in 15 randomized levels of noise (-7dB to +7dB SNR) using highly intelligible (16 channel vocoded) and moderately intelligible (6 channel vocoded) speech. Twenty young normal hearing adults participated in the study; however, due to extraneous noise, data from 16 (10 females, 6 males; aged 19-28 years) was used in the EEG analysis and 10 in the pupil analysis. Behavioral testing of perceived effort and speech performance was assessed at 3 fixed SNRs per participant and was comparable to sentence recognition performance assessed in the physiological test session for both 16- and 6-channel vocoded sentences. Results showed a significant interaction between channel vocoding for both the alpha power and the pupil size changes. While both measures significantly decreased with more positive SNRs for the 16-channel vocoding, this was not observed with the 6-channel vocoding. The results of this study suggest that these measures may encode different processes involved in speech perception, which show similar trends for highly intelligible speech, but diverge for more spectrally degraded speech. The results to date suggest that these objective correlates of listening effort, and the cognitive processes involved in listening effort, are not yet sufficiently well understood to be used within a clinical setting.
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allfields	10.3389/fpsyg.2016.00745 doi (DE-627)DOAJ070886520 (DE-599)DOAJ79d7254cb02f487d8fe003b15e54476b DE-627 ger DE-627 rakwb eng BF1-990 Catherine M McMahon verfasserin aut Monitoring alpha oscillations and pupil dilation across the performance-intensity function 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear whether they assess the same cognitive processes involved, or other sensory and/or neurophysiological mechanisms that are associated with the task. Therefore, the aim of this study is to compare alpha power and pupil dilation during a sentence recognition task in 15 randomized levels of noise (-7dB to +7dB SNR) using highly intelligible (16 channel vocoded) and moderately intelligible (6 channel vocoded) speech. Twenty young normal hearing adults participated in the study; however, due to extraneous noise, data from 16 (10 females, 6 males; aged 19-28 years) was used in the EEG analysis and 10 in the pupil analysis. Behavioral testing of perceived effort and speech performance was assessed at 3 fixed SNRs per participant and was comparable to sentence recognition performance assessed in the physiological test session for both 16- and 6-channel vocoded sentences. Results showed a significant interaction between channel vocoding for both the alpha power and the pupil size changes. While both measures significantly decreased with more positive SNRs for the 16-channel vocoding, this was not observed with the 6-channel vocoding. The results of this study suggest that these measures may encode different processes involved in speech perception, which show similar trends for highly intelligible speech, but diverge for more spectrally degraded speech. The results to date suggest that these objective correlates of listening effort, and the cognitive processes involved in listening effort, are not yet sufficiently well understood to be used within a clinical setting. Speech Perception pupil dilation Alpha power listening effort listening in noise Perceived effort Psychology Catherine M McMahon verfasserin aut Isabelle eBoisvert verfasserin aut Isabelle eBoisvert verfasserin aut Peter ede Lissa verfasserin aut Peter ede Lissa verfasserin aut Louise eGranger verfasserin aut Louise eGranger verfasserin aut Ronny eIbrahim verfasserin aut Ronny eIbrahim verfasserin aut Chi Yhun eLo verfasserin aut Chi Yhun eLo verfasserin aut Kelly eMiles verfasserin aut Kelly eMiles verfasserin aut Petra L Graham verfasserin aut In Frontiers in Psychology Frontiers Media S.A., 2010 7(2016) (DE-627)631495711 (DE-600)2563826-9 16641078 nnns volume:7 year:2016 https://doi.org/10.3389/fpsyg.2016.00745 kostenfrei https://doaj.org/article/79d7254cb02f487d8fe003b15e54476b kostenfrei http://journal.frontiersin.org/Journal/10.3389/fpsyg.2016.00745/full kostenfrei https://doaj.org/toc/1664-1078 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2086 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2016
spelling	10.3389/fpsyg.2016.00745 doi (DE-627)DOAJ070886520 (DE-599)DOAJ79d7254cb02f487d8fe003b15e54476b DE-627 ger DE-627 rakwb eng BF1-990 Catherine M McMahon verfasserin aut Monitoring alpha oscillations and pupil dilation across the performance-intensity function 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear whether they assess the same cognitive processes involved, or other sensory and/or neurophysiological mechanisms that are associated with the task. Therefore, the aim of this study is to compare alpha power and pupil dilation during a sentence recognition task in 15 randomized levels of noise (-7dB to +7dB SNR) using highly intelligible (16 channel vocoded) and moderately intelligible (6 channel vocoded) speech. Twenty young normal hearing adults participated in the study; however, due to extraneous noise, data from 16 (10 females, 6 males; aged 19-28 years) was used in the EEG analysis and 10 in the pupil analysis. Behavioral testing of perceived effort and speech performance was assessed at 3 fixed SNRs per participant and was comparable to sentence recognition performance assessed in the physiological test session for both 16- and 6-channel vocoded sentences. Results showed a significant interaction between channel vocoding for both the alpha power and the pupil size changes. While both measures significantly decreased with more positive SNRs for the 16-channel vocoding, this was not observed with the 6-channel vocoding. The results of this study suggest that these measures may encode different processes involved in speech perception, which show similar trends for highly intelligible speech, but diverge for more spectrally degraded speech. The results to date suggest that these objective correlates of listening effort, and the cognitive processes involved in listening effort, are not yet sufficiently well understood to be used within a clinical setting. Speech Perception pupil dilation Alpha power listening effort listening in noise Perceived effort Psychology Catherine M McMahon verfasserin aut Isabelle eBoisvert verfasserin aut Isabelle eBoisvert verfasserin aut Peter ede Lissa verfasserin aut Peter ede Lissa verfasserin aut Louise eGranger verfasserin aut Louise eGranger verfasserin aut Ronny eIbrahim verfasserin aut Ronny eIbrahim verfasserin aut Chi Yhun eLo verfasserin aut Chi Yhun eLo verfasserin aut Kelly eMiles verfasserin aut Kelly eMiles verfasserin aut Petra L Graham verfasserin aut In Frontiers in Psychology Frontiers Media S.A., 2010 7(2016) (DE-627)631495711 (DE-600)2563826-9 16641078 nnns volume:7 year:2016 https://doi.org/10.3389/fpsyg.2016.00745 kostenfrei https://doaj.org/article/79d7254cb02f487d8fe003b15e54476b kostenfrei http://journal.frontiersin.org/Journal/10.3389/fpsyg.2016.00745/full kostenfrei https://doaj.org/toc/1664-1078 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2086 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2016
allfields_unstemmed	10.3389/fpsyg.2016.00745 doi (DE-627)DOAJ070886520 (DE-599)DOAJ79d7254cb02f487d8fe003b15e54476b DE-627 ger DE-627 rakwb eng BF1-990 Catherine M McMahon verfasserin aut Monitoring alpha oscillations and pupil dilation across the performance-intensity function 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear whether they assess the same cognitive processes involved, or other sensory and/or neurophysiological mechanisms that are associated with the task. Therefore, the aim of this study is to compare alpha power and pupil dilation during a sentence recognition task in 15 randomized levels of noise (-7dB to +7dB SNR) using highly intelligible (16 channel vocoded) and moderately intelligible (6 channel vocoded) speech. Twenty young normal hearing adults participated in the study; however, due to extraneous noise, data from 16 (10 females, 6 males; aged 19-28 years) was used in the EEG analysis and 10 in the pupil analysis. Behavioral testing of perceived effort and speech performance was assessed at 3 fixed SNRs per participant and was comparable to sentence recognition performance assessed in the physiological test session for both 16- and 6-channel vocoded sentences. Results showed a significant interaction between channel vocoding for both the alpha power and the pupil size changes. While both measures significantly decreased with more positive SNRs for the 16-channel vocoding, this was not observed with the 6-channel vocoding. The results of this study suggest that these measures may encode different processes involved in speech perception, which show similar trends for highly intelligible speech, but diverge for more spectrally degraded speech. The results to date suggest that these objective correlates of listening effort, and the cognitive processes involved in listening effort, are not yet sufficiently well understood to be used within a clinical setting. Speech Perception pupil dilation Alpha power listening effort listening in noise Perceived effort Psychology Catherine M McMahon verfasserin aut Isabelle eBoisvert verfasserin aut Isabelle eBoisvert verfasserin aut Peter ede Lissa verfasserin aut Peter ede Lissa verfasserin aut Louise eGranger verfasserin aut Louise eGranger verfasserin aut Ronny eIbrahim verfasserin aut Ronny eIbrahim verfasserin aut Chi Yhun eLo verfasserin aut Chi Yhun eLo verfasserin aut Kelly eMiles verfasserin aut Kelly eMiles verfasserin aut Petra L Graham verfasserin aut In Frontiers in Psychology Frontiers Media S.A., 2010 7(2016) (DE-627)631495711 (DE-600)2563826-9 16641078 nnns volume:7 year:2016 https://doi.org/10.3389/fpsyg.2016.00745 kostenfrei https://doaj.org/article/79d7254cb02f487d8fe003b15e54476b kostenfrei http://journal.frontiersin.org/Journal/10.3389/fpsyg.2016.00745/full kostenfrei https://doaj.org/toc/1664-1078 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2086 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2016
allfieldsGer	10.3389/fpsyg.2016.00745 doi (DE-627)DOAJ070886520 (DE-599)DOAJ79d7254cb02f487d8fe003b15e54476b DE-627 ger DE-627 rakwb eng BF1-990 Catherine M McMahon verfasserin aut Monitoring alpha oscillations and pupil dilation across the performance-intensity function 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear whether they assess the same cognitive processes involved, or other sensory and/or neurophysiological mechanisms that are associated with the task. Therefore, the aim of this study is to compare alpha power and pupil dilation during a sentence recognition task in 15 randomized levels of noise (-7dB to +7dB SNR) using highly intelligible (16 channel vocoded) and moderately intelligible (6 channel vocoded) speech. Twenty young normal hearing adults participated in the study; however, due to extraneous noise, data from 16 (10 females, 6 males; aged 19-28 years) was used in the EEG analysis and 10 in the pupil analysis. Behavioral testing of perceived effort and speech performance was assessed at 3 fixed SNRs per participant and was comparable to sentence recognition performance assessed in the physiological test session for both 16- and 6-channel vocoded sentences. Results showed a significant interaction between channel vocoding for both the alpha power and the pupil size changes. While both measures significantly decreased with more positive SNRs for the 16-channel vocoding, this was not observed with the 6-channel vocoding. The results of this study suggest that these measures may encode different processes involved in speech perception, which show similar trends for highly intelligible speech, but diverge for more spectrally degraded speech. The results to date suggest that these objective correlates of listening effort, and the cognitive processes involved in listening effort, are not yet sufficiently well understood to be used within a clinical setting. Speech Perception pupil dilation Alpha power listening effort listening in noise Perceived effort Psychology Catherine M McMahon verfasserin aut Isabelle eBoisvert verfasserin aut Isabelle eBoisvert verfasserin aut Peter ede Lissa verfasserin aut Peter ede Lissa verfasserin aut Louise eGranger verfasserin aut Louise eGranger verfasserin aut Ronny eIbrahim verfasserin aut Ronny eIbrahim verfasserin aut Chi Yhun eLo verfasserin aut Chi Yhun eLo verfasserin aut Kelly eMiles verfasserin aut Kelly eMiles verfasserin aut Petra L Graham verfasserin aut In Frontiers in Psychology Frontiers Media S.A., 2010 7(2016) (DE-627)631495711 (DE-600)2563826-9 16641078 nnns volume:7 year:2016 https://doi.org/10.3389/fpsyg.2016.00745 kostenfrei https://doaj.org/article/79d7254cb02f487d8fe003b15e54476b kostenfrei http://journal.frontiersin.org/Journal/10.3389/fpsyg.2016.00745/full kostenfrei https://doaj.org/toc/1664-1078 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2086 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2016
allfieldsSound	10.3389/fpsyg.2016.00745 doi (DE-627)DOAJ070886520 (DE-599)DOAJ79d7254cb02f487d8fe003b15e54476b DE-627 ger DE-627 rakwb eng BF1-990 Catherine M McMahon verfasserin aut Monitoring alpha oscillations and pupil dilation across the performance-intensity function 2016 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear whether they assess the same cognitive processes involved, or other sensory and/or neurophysiological mechanisms that are associated with the task. Therefore, the aim of this study is to compare alpha power and pupil dilation during a sentence recognition task in 15 randomized levels of noise (-7dB to +7dB SNR) using highly intelligible (16 channel vocoded) and moderately intelligible (6 channel vocoded) speech. Twenty young normal hearing adults participated in the study; however, due to extraneous noise, data from 16 (10 females, 6 males; aged 19-28 years) was used in the EEG analysis and 10 in the pupil analysis. Behavioral testing of perceived effort and speech performance was assessed at 3 fixed SNRs per participant and was comparable to sentence recognition performance assessed in the physiological test session for both 16- and 6-channel vocoded sentences. Results showed a significant interaction between channel vocoding for both the alpha power and the pupil size changes. While both measures significantly decreased with more positive SNRs for the 16-channel vocoding, this was not observed with the 6-channel vocoding. The results of this study suggest that these measures may encode different processes involved in speech perception, which show similar trends for highly intelligible speech, but diverge for more spectrally degraded speech. The results to date suggest that these objective correlates of listening effort, and the cognitive processes involved in listening effort, are not yet sufficiently well understood to be used within a clinical setting. Speech Perception pupil dilation Alpha power listening effort listening in noise Perceived effort Psychology Catherine M McMahon verfasserin aut Isabelle eBoisvert verfasserin aut Isabelle eBoisvert verfasserin aut Peter ede Lissa verfasserin aut Peter ede Lissa verfasserin aut Louise eGranger verfasserin aut Louise eGranger verfasserin aut Ronny eIbrahim verfasserin aut Ronny eIbrahim verfasserin aut Chi Yhun eLo verfasserin aut Chi Yhun eLo verfasserin aut Kelly eMiles verfasserin aut Kelly eMiles verfasserin aut Petra L Graham verfasserin aut In Frontiers in Psychology Frontiers Media S.A., 2010 7(2016) (DE-627)631495711 (DE-600)2563826-9 16641078 nnns volume:7 year:2016 https://doi.org/10.3389/fpsyg.2016.00745 kostenfrei https://doaj.org/article/79d7254cb02f487d8fe003b15e54476b kostenfrei http://journal.frontiersin.org/Journal/10.3389/fpsyg.2016.00745/full kostenfrei https://doaj.org/toc/1664-1078 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_101 GBV_ILN_105 GBV_ILN_110 GBV_ILN_138 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_187 GBV_ILN_206 GBV_ILN_213 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_647 GBV_ILN_702 GBV_ILN_2003 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2086 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4326 GBV_ILN_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 7 2016
language	English
source	In Frontiers in Psychology 7(2016) volume:7 year:2016
sourceStr	In Frontiers in Psychology 7(2016) volume:7 year:2016
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	Speech Perception pupil dilation Alpha power listening effort listening in noise Perceived effort Psychology
isfreeaccess_bool	true
container_title	Frontiers in Psychology
authorswithroles_txt_mv	Catherine M McMahon @@aut@@ Isabelle eBoisvert @@aut@@ Peter ede Lissa @@aut@@ Louise eGranger @@aut@@ Ronny eIbrahim @@aut@@ Chi Yhun eLo @@aut@@ Kelly eMiles @@aut@@ Petra L Graham @@aut@@
publishDateDaySort_date	2016-01-01T00:00:00Z
hierarchy_top_id	631495711
id	DOAJ070886520
language_de	englisch
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callnumber-first	B - Philosophy, Psychology, Religion
author	Catherine M McMahon
spellingShingle	Catherine M McMahon misc BF1-990 misc Speech Perception misc pupil dilation misc Alpha power misc listening effort misc listening in noise misc Perceived effort misc Psychology Monitoring alpha oscillations and pupil dilation across the performance-intensity function
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topic_title	BF1-990 Monitoring alpha oscillations and pupil dilation across the performance-intensity function Speech Perception pupil dilation Alpha power listening effort listening in noise Perceived effort
topic	misc BF1-990 misc Speech Perception misc pupil dilation misc Alpha power misc listening effort misc listening in noise misc Perceived effort misc Psychology
topic_unstemmed	misc BF1-990 misc Speech Perception misc pupil dilation misc Alpha power misc listening effort misc listening in noise misc Perceived effort misc Psychology
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title	Monitoring alpha oscillations and pupil dilation across the performance-intensity function
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title_full	Monitoring alpha oscillations and pupil dilation across the performance-intensity function
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author_browse	Catherine M McMahon Isabelle eBoisvert Peter ede Lissa Louise eGranger Ronny eIbrahim Chi Yhun eLo Kelly eMiles Petra L Graham
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title_sort	monitoring alpha oscillations and pupil dilation across the performance-intensity function
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title_auth	Monitoring alpha oscillations and pupil dilation across the performance-intensity function
abstract	Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear whether they assess the same cognitive processes involved, or other sensory and/or neurophysiological mechanisms that are associated with the task. Therefore, the aim of this study is to compare alpha power and pupil dilation during a sentence recognition task in 15 randomized levels of noise (-7dB to +7dB SNR) using highly intelligible (16 channel vocoded) and moderately intelligible (6 channel vocoded) speech. Twenty young normal hearing adults participated in the study; however, due to extraneous noise, data from 16 (10 females, 6 males; aged 19-28 years) was used in the EEG analysis and 10 in the pupil analysis. Behavioral testing of perceived effort and speech performance was assessed at 3 fixed SNRs per participant and was comparable to sentence recognition performance assessed in the physiological test session for both 16- and 6-channel vocoded sentences. Results showed a significant interaction between channel vocoding for both the alpha power and the pupil size changes. While both measures significantly decreased with more positive SNRs for the 16-channel vocoding, this was not observed with the 6-channel vocoding. The results of this study suggest that these measures may encode different processes involved in speech perception, which show similar trends for highly intelligible speech, but diverge for more spectrally degraded speech. The results to date suggest that these objective correlates of listening effort, and the cognitive processes involved in listening effort, are not yet sufficiently well understood to be used within a clinical setting.
abstractGer	Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear whether they assess the same cognitive processes involved, or other sensory and/or neurophysiological mechanisms that are associated with the task. Therefore, the aim of this study is to compare alpha power and pupil dilation during a sentence recognition task in 15 randomized levels of noise (-7dB to +7dB SNR) using highly intelligible (16 channel vocoded) and moderately intelligible (6 channel vocoded) speech. Twenty young normal hearing adults participated in the study; however, due to extraneous noise, data from 16 (10 females, 6 males; aged 19-28 years) was used in the EEG analysis and 10 in the pupil analysis. Behavioral testing of perceived effort and speech performance was assessed at 3 fixed SNRs per participant and was comparable to sentence recognition performance assessed in the physiological test session for both 16- and 6-channel vocoded sentences. Results showed a significant interaction between channel vocoding for both the alpha power and the pupil size changes. While both measures significantly decreased with more positive SNRs for the 16-channel vocoding, this was not observed with the 6-channel vocoding. The results of this study suggest that these measures may encode different processes involved in speech perception, which show similar trends for highly intelligible speech, but diverge for more spectrally degraded speech. The results to date suggest that these objective correlates of listening effort, and the cognitive processes involved in listening effort, are not yet sufficiently well understood to be used within a clinical setting.
abstract_unstemmed	Listening to degraded speech can be challenging and requires a continuous investment of cognitive resources, which is more challenging for those with hearing loss. However, while alpha power (8-12 Hz) and pupil dilation have been suggested as objective correlates of listening effort, it is not clear whether they assess the same cognitive processes involved, or other sensory and/or neurophysiological mechanisms that are associated with the task. Therefore, the aim of this study is to compare alpha power and pupil dilation during a sentence recognition task in 15 randomized levels of noise (-7dB to +7dB SNR) using highly intelligible (16 channel vocoded) and moderately intelligible (6 channel vocoded) speech. Twenty young normal hearing adults participated in the study; however, due to extraneous noise, data from 16 (10 females, 6 males; aged 19-28 years) was used in the EEG analysis and 10 in the pupil analysis. Behavioral testing of perceived effort and speech performance was assessed at 3 fixed SNRs per participant and was comparable to sentence recognition performance assessed in the physiological test session for both 16- and 6-channel vocoded sentences. Results showed a significant interaction between channel vocoding for both the alpha power and the pupil size changes. While both measures significantly decreased with more positive SNRs for the 16-channel vocoding, this was not observed with the 6-channel vocoding. The results of this study suggest that these measures may encode different processes involved in speech perception, which show similar trends for highly intelligible speech, but diverge for more spectrally degraded speech. The results to date suggest that these objective correlates of listening effort, and the cognitive processes involved in listening effort, are not yet sufficiently well understood to be used within a clinical setting.
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title_short	Monitoring alpha oscillations and pupil dilation across the performance-intensity function
url	https://doi.org/10.3389/fpsyg.2016.00745 https://doaj.org/article/79d7254cb02f487d8fe003b15e54476b http://journal.frontiersin.org/Journal/10.3389/fpsyg.2016.00745/full https://doaj.org/toc/1664-1078
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Monitoring alpha oscillations and pupil dilation across the performance-intensity function

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