Dr. Katja Maquate erforscht, wie Menschen Sprache in Echtzeit verstehen, wenn soziale Kontextinformationen — etwa Formalität, Register oder emotionale Signale — mit dem Gesagten übereinstimmen oder nicht. Sie nutzt Eye-Tracking und EEG, um zu messen, wie schnell und präzise das Gehirn solche Kongruenzen oder Mismatches verarbeitet, und untersucht dabei Unterschiede zwischen Altersgruppen, Sprachen (Deutsch, Japanisch) und mehrsprachigen Jugendlichen. Die Erkenntnisse ermöglichen besseres Verständnis von Sprachverarbeitung in realen, sozial komplexen Situationen und können Anwendungen in Sprachlernforschung, Diagnostik von Sprachstörungen und Mensch-Computer-Interaktion informieren.
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Dr. Katja Maquate
HU-FIS-Profil ↗SFB 1412/2: Registerverständnis in Echtzeit bei mehrsprachigen Jugendlichen (TP C03)
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Förderer: DFG Sonderforschungsbereich Zeitraum: 01/2020 - 12/2023 Projektleitung: Prof. Dr. Pia Knoeferle, Dr. Katja Maquate
Förderer: DFG Sonderforschungsbereich Zeitraum: 01/2024 - 12/2027 Projektleitung: Prof. Dr. Pia Knoeferle, Dr. Katja Maquate, PD Dr. Natalia Gagarina
Cognition · DOI
Frontiers in Psychology · DOI
Age has been shown to influence language comprehension, with delays, for instance, in older adults' expectations about upcoming information. We examined to what extent expectations about upcoming event information (who-does-what-to-whom) change across the lifespan (in 4- to 5-year-old children, younger, and older adults) and as a function of different world-language relations. In a visual-world paradigm, participants in all three age groups inspected a speaker whose facial expression was either smiling or sad. Next they inspected two clipart agents (e.g., a smiling cat and a grumpy rat) depicted as acting upon a patient (e.g., a ladybug tickled by the cat and arrested by the rat). Control scenes featured the same three characters without the action depictions. While inspecting the depictions, comprehenders listened to a German sentence [e.g., Den Marienkäfer kitzelt vergnügt der Kater ; literally: “The ladybug (object/patient) tickles happily the cat (subject/agent)”]. Referential verb-action relations (i.e., when the actions were present) could, in principle, cue the cat-agent and so could non-referential relations via links from the speaker's smile to “happily” and the cat's smile. We examined variation in participants' visual anticipation of the agent (the cat) before it was mentioned depending on (a) participant age and (b) whether the referentially mediated action depiction or the non-referentially associated speaker smile cued the agent. The action depictions rapidly boosted participants' visual anticipation of the agent, facilitating thematic role assignment in all age groups. By contrast, effects of the non-referentially cued speaker smile emerged in the younger adults only. We outline implications of these findings for processing accounts of the temporally coordinated interplay between listeners' age-dependent language comprehension, their interrogation of the visual context, and visual context influences.
Language Cognition and Neuroscience · DOI
We investigated the brain responses associated with the integration of speaker facial emotion into situations in which the speaker verbally describes an emotional event. In two EEG experiments, young adult participants were primed with a happy or sad speaker face. The target consisted of an emotionally positive or negative IAPS photo accompanied by a spoken emotional sentence describing that photo. The speaker's face either matched or mismatched the event-sentence valence. ERPs elicited by the adverb conveying sentence valence showed significantly larger negative mean amplitudes in the EPN and descriptively in the N400 time windows for positive speaker faces - negative event-sentences (vs. negatively matching prime-target trials). Our results suggest that young adults might allocate more processing resources to attend to and process negative (vs. positive) emotional situations when being primed with a positive (vs. negative) speaker face but not vice versa. Post-hoc analysis indicated that this interaction was driven by female participants. We extend previous eye-tracking findings with insights into the timing of the functional brain correlates implicated in integrating the valence of a speaker face into a multi-modal emotional situation.