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The role of occipital temporal cortex in the formation of face familiarity and identity
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Abstract:
The recognition of faces holds a special role in human cognition, which reflects in multiple involved regions in the occipito-temporal cortex (OTC). One region is the Occipital Face Area (OFA), previously described as a low-level, structural encoding area. This work investigates whether the OFA plays a more complex role in face processing with a focus on the familiarity status of a face and their identity representation. For this purpose, four studies were implemented to answer if the OFA is participating in low- as well as high-level face representations and what the temporal dynamics of electrophysiological responses to familiarity and identity learning are. Further, we evaluated if the different processing of familiar and unfamiliar faces can be detected and are modulated by the OFA. In Study I we demonstrated, that Transcranial Magnetic Stimulation (TMS) over the rOFA impairs encoding of trained face images. This indicates that this region is involved in the encoding of image-specific face representations. Study II lead to the conclusion, that TMS of the OFA reduces accuracy in retrieving face-associated job titles. This suggests that this region is not limited to visual information. Study III revealed, that the quality of familiarization impacts neural representations as they were visible after personal-, weaker after media-, and absent after perceptual-familiarization. Study IV connected neural signals of familiarity with TMS of the OFA and showed that this region indeed is causally involved in the differential processing of familiar and unfamiliar faces. Our findings indicate, that the OTC processes perceptual face information, identity representations and associating semantic information. Hence, the OFA is not limited to low-level feature processing, but is versatile involved in the face network. This suggests a re-evaluation of hierarchical face models and favors a non-hierarchical model with connections between the OFA and higher face processing areas.
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Keyword:
Abschlussarbeit; ddc:150; doctoral thesis; Kognition -- Gesicht -- Gesichtserkennung -- Visuelle Wahrnehmung -- Identität -- Vertrautheit
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URL: https://www.db-thueringen.de/servlets/MCRFileNodeServlet/dbt_derivate_00053825/Ch_Eick_thesis.pdf
https://www.db-thueringen.de/receive/dbt_mods_00049245
http://uri.gbv.de/document/gvk:ppn:1764058348
https://doi.org/10.22032/dbt.49245
https://nbn-resolving.org/urn:nbn:de:gbv:27-dbt-20210721-115447-004
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| 3 |
"Can we please stop yelling at each other just because it’s the Internet?" Comparing incivility perceptions of community managers, users, and ac-tivists in online comment sections
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In: Proceedings of the Weizenbaum Conference 2021 ; 5 ; Weizenbaum Conference 2021: Democracy in Flux – Order, Dynamics and Voices in Digital Public Spheres ; 3 (2021)
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| 4 |
Das "Lied vom Hürnen Seyfrid" als Text seiner Zeit - mit einem Schwerpunkt auf dem Bergbau der Frühen Neuzeit
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| 8 |
Cross-curricular analysis of picture books in the fifth grade of primary school: a case study ... : Medpredmetna obravnava slikanice v petem razreduosnovne sole (studija primera) ...
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| 9 |
"Langsam vermisse ich die Schule .". Schule während und nach der Corona-Pandemie
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In: Münster ; New York : Waxmann 2020, 229 S. - (Die Deutsche Schule, Beiheft; 16) (2020)
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| 10 |
Music and Synesthesia:Abstracts from a Conference in Vienna, scheduled for July 3–5, 2020
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| 11 |
Cross-curricular analysis of picture books in the fifth grade of primary school: a case study ; Medpredmetna obravnava slikanice v petem razreduosnovne sole (studija primera)
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In: CEPS Journal 10 (2020) 4, S. 165-185 (2020)
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| 12 |
Automated Journalism: A Meta-Analysis of Readers’ Perceptions of Human-Written in Comparison to Automated News
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In: Media and Communication ; 8 ; 3 ; 50-59 ; Algorithms and Journalism: Exploring (Re)Configurations (2020)
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| 15 |
My sadness - our happiness : writing about positive, negative, and neutral autobiographical life events reveals linguistic markers of self-positivity and individual well-being ...
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| 16 |
The impact of linguistic similarity on cross-cultural comparability of students' perceptions of teaching quality ...
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| 17 |
The impact of linguistic similarity on cross-cultural comparability of students' perceptions of teaching quality
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In: Educational assessment, evaluation and accountability 31 (2019) 2, S. 201-220 (2019)
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| 18 |
Training emotionaler Wahrnehmung bei Patienten mit psychotischen Erkrankungen und Untersuchungen zur Korrelation mit der Ausprägung der Negativsymptomatik ...
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| 19 |
Scenario as a tool for critical thinking: climate change awareness and denial as a case study
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In: ESSACHESS - Journal for Communication Studies ; 11 ; 2 ; 67-84 ; Critical thinking - inside out: public discourse and everyday life (2019)
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