Neural oscillatory dynamics of spoken word recognition
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| Format: | Abschlussarbeit Buch |
| Sprache: | English |
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Leipzig
Max Planck Inst. for Human Cognitive and Brain Sciences
2015
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| Schriftenreihe: | MPI Series in Human Cognitive and Brain Sciences
163 |
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| 245 | 1 | 0 | |a Neural oscillatory dynamics of spoken word recognition |c Antje Strauß |
| 264 | 1 | |a Leipzig |b Max Planck Inst. for Human Cognitive and Brain Sciences |c 2015 | |
| 300 | |a IV, 147 S. |b Ill., graph. Darst. | ||
| 336 | |b txt |2 rdacontent | ||
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Datensatz im Suchindex
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| adam_text | Contents
1 General Introduction 1
1.1 Spoken word recognition and its cognitive efforts..................... 2
1.1.1 Psycholinguistic models of spoken word recognition.................. 2
1.1.2 Recognition of spoken word in noise................................. 3
1.2 Spoken word recognition and its neural basis .................... 4
1.2.1 Alpha oscillations and attention ................................... 7
1.2.2 Theta oscillations and semantic memory.................... 8
1.3 General Hypotheses ........................................................ 9
2 General Methods 11
2.1 The auditory lexical decision task........................................ 11
2.2 Adaptive tracking procedures.............................................. 15
2.3 Electroencephalography.................................................... 16
2.3.1 The neurophysiological basis of EEG................................ 17
2.3.2 Preprocessing and artefact rejection............................... 17
2.3.3 Event-related potentials........................................... 18
2.3.4 Time-frequency analysis............................................ 18
2.3.5 Source localization................................................ 20
3 Alpha and theta power dissociate in spoken word recognition 23
3.1 Introduction.............................................................. 23
3.2 Methods................................................................... 25
3.2.1 Participants....................................................... 25
3.2.2 Stimuli ........................................................... 25
3.2.3 Experimental procedure............................................. 26
3.2.4 Electroencephalogram acquisition................................... 27
3.2.5 Data analysis: event-related potentials............................ 28
3.2.6 Data analysis: time-frequency representations...................... 28
3.2.7 Source localisation of time-frequency effects...................... 29
3.3 Results................................................................... 30
1
CONTENTS
ii
3.3.1 Highly accurate performance......................................... 30
3.3.2 Sequential effects of word-pseudoword discrimination in ERPs .... 30
3.3.3 Differential signatures of wordness in time-frequency data.......... 31
3.3.4 Source localization of alpha and theta power changes................ 31
3.3.5 Two separate networks disclosed by an alpha-theta index............. 33
3.4 Discussion................................................................. 34
3.4.1 Wordness effect in the alpha band................................... 34
3.4.2 Ambiguity effect in the theta band.................................. 35
3.4.3 Relationship of evoked potentials and induced oscillations.......... 37
3.4.4 Conclusion.......................................................... 37
4 Alpha oscillations as a tool for auditory selective inhibition 39
4.1 Introduction............................................................... 39
4.2 A framework to test auditory alpha inhibition............................ 39
4.3 A short review of auditory alpha inhibition................................ 41
4.4 Conclusion ................................................................ 43
5 Alpha phase determines successful lexical decision in noise 45
5.1 Introduction............................................................... 45
5.2 Methods.................................................................... 46
5.2.1 Participants........................................................ 46
5.2.2 Stimuli ............................................................ 46
5.2.3 Experimental procedure.............................................. 47
5.2.4 Data acquisition and preprocessing.................................. 47
5.2.5 Data analysis: the phase bifurcation index.......................... 48
5.3 Results.................................................................... 50
5.3.1 Accuracy of lexical decisions....................................... 50
5.3.2 Alpha phase predicts lexical-decision accuracy...................... 50
5.3.3 Accuracy is not predicted by other measures ........................ 51
5.3.4 Phase effects in the theta band..................................... 52
5.4 Discussion................................................................. 53
5.4.1 Fluctuations in the probability of attentional selection............ 53
5.4.2 Alpha phase reflects decision weighting............................. 54
5.4.3 Accuracy is not predicted by other measures .................... 55
5.4.4 Theta vs alpha phase effects on lexical decision.................... 56
5.4.5 Conclusion.......................................................... 56
5.5 Supplement Behaviour....................................................... 57
5.5.1 Introduction ....................................................... 57
5.5.2 Methods............................................................. 57
5.5.3 Results ............................................................ 58
CONTENTS_______________________________________________________iii
5.5.4 Discussion.......................................................... 60
5.6 Supplement Bifurcation Index................................................ 63
5.6.1 Introduction ........................................................ 63
5.6.2 Methods and Results.................................................. 63
5.6.3 Discussion........................................................... 66
6 Narrowed expectancies in degraded speech 67
6.1 Introduction................................................................ 67
6.1.1 Semantic context..................................................... 68
6.1.2 Neural signatures of context in language comprehension............. 68
6.1.3 Semantic benefits in adverse listening............................... 69
6.2 Methods..................................................................... 71
6.2.1 Participants......................................................... 71
6.2.2 Stimuli and design................................................... 71
6.2.3 Pilot study.......................................................... 73
6.2.4 Electroencephalogram acquisition..................................... 74
6.2.5 Data analysis........................................................ 75
6.3 Results..................................................................... 76
6.3.1 Intelligibility rating and reaction time............................. 76
6.3.2 Event related potentials to sentence onset: N100-P200 ............... 77
6.3.3 Event related potentials to sentence-final word: N400 77
6.4 Discussion.................................................................. 79
6.4.1 N400 and behavioural responses: fast vs. delayed processes............81
6.4.2 Prediction capacities and other cognitive resources............... 83
6.4.3 Conclusion .......................................................... 85
6.5 Supplement Theta power and phase ........................................... 86
6.5.1 Introduction ........................................................ 86
6.5.2 Methods.............................................................. 86
6.5.3 Results ............................................................ 86
6.5.4 Discussion........................................................... 88
7 General Discussion 91
7.1 Summary of experimental findings............................................ 91
7.2 The dissociation of alpha and theta activity................................ 93
7.3 Spoken word recognition as a nonlinear process.............................. 94
7.4 N400 and inter-trial phase coherence........................................ 95
7.5 Alpha activity along the auditory pathway................................... 97
7.6 Theta oscillations and speech processing.................................... 98
References
101
IV
List of Figures
List of words and pseudowords
List of cloze probability sentences
Summary
Zusammenfassung
CONTENTS
125
127
131
137
143
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| genre_facet | Hochschulschrift |
| id | DE-604.BV042804376 |
| illustrated | Illustrated |
| indexdate | 2024-12-24T04:33:39Z |
| institution | BVB |
| isbn | 9783941504479 |
| language | English |
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| physical | IV, 147 S. Ill., graph. Darst. |
| publishDate | 2015 |
| publishDateSearch | 2015 |
| publishDateSort | 2015 |
| publisher | Max Planck Inst. for Human Cognitive and Brain Sciences |
| record_format | marc |
| series | MPI Series in Human Cognitive and Brain Sciences |
| series2 | MPI Series in Human Cognitive and Brain Sciences |
| spellingShingle | Strauß, Antje 1985- Neural oscillatory dynamics of spoken word recognition MPI Series in Human Cognitive and Brain Sciences Sprachverstehen (DE-588)4077744-3 gnd |
| subject_GND | (DE-588)4077744-3 (DE-588)4113937-9 |
| title | Neural oscillatory dynamics of spoken word recognition |
| title_auth | Neural oscillatory dynamics of spoken word recognition |
| title_exact_search | Neural oscillatory dynamics of spoken word recognition |
| title_full | Neural oscillatory dynamics of spoken word recognition Antje Strauß |
| title_fullStr | Neural oscillatory dynamics of spoken word recognition Antje Strauß |
| title_full_unstemmed | Neural oscillatory dynamics of spoken word recognition Antje Strauß |
| title_short | Neural oscillatory dynamics of spoken word recognition |
| title_sort | neural oscillatory dynamics of spoken word recognition |
| topic | Sprachverstehen (DE-588)4077744-3 gnd |
| topic_facet | Sprachverstehen Hochschulschrift |
| url | http://bvbr.bib-bvb.de:8991/F?func=service&doc_library=BVB01&local_base=BVB01&doc_number=028234032&sequence=000002&line_number=0001&func_code=DB_RECORDS&service_type=MEDIA |
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