How Context Influences the Interpretation of Facial Expressions: A Source Localization High-density EEG Study on the “Kuleshov Effect”

Marta Calbi , Francesca Siri, Katrin Heimann, Daniel Barratt, Vittorio Gallese, Anna Kolesnikov, Maria Alessandra Umiltà

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

Few studies have explored the specificities of contextual modulations of the processing of facial expressions at a neuronal level. This study fills this gap by employing an original paradigm, based on a version of the filmic “Kuleshov effect”. High-density EEG was recorded while participants watched film sequences consisting of three shots: the close-up of a target person’s neutral face (Face_1), the scene that the target person was looking at (happy, fearful, or neutral), and another close-up of the same target person’s neutral face (Face_2). The participants’ task was to rate both valence and arousal, and subsequently to categorize the target person’s emotional state. The results indicate that despite a significant behavioural ‘context’ effect, the electrophysiological indexes still indicate that the face is evaluated as neutral. Specifically, Face_2 elicited a high amplitude N170 when preceded by neutral contexts, and a high amplitude Late Positive Potential (LPP) when preceded by emotional contexts, thus showing sensitivity to the evaluative congruence (N170) and incongruence (LPP) between context and Face_2. The LPP activity was mainly underpinned by brain regions involved in facial expressions and emotion recognition processing. Our results shed new light on temporal and neural correlates of context-sensitivity in the interpretation of facial expressions.

Original languageEnglish
Article number2107
JournalScientific Reports
Volume9
Issue number1
Number of pages16
ISSN2045-2322
DOIs
Publication statusPublished - 2019

Cite this

Calbi , Marta ; Siri, Francesca ; Heimann, Katrin ; Barratt, Daniel ; Gallese, Vittorio ; Kolesnikov, Anna ; Umiltà, Maria Alessandra. / How Context Influences the Interpretation of Facial Expressions : A Source Localization High-density EEG Study on the “Kuleshov Effect”. In: Scientific Reports. 2019 ; Vol. 9, No. 1.
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How Context Influences the Interpretation of Facial Expressions : A Source Localization High-density EEG Study on the “Kuleshov Effect”. / Calbi , Marta; Siri, Francesca; Heimann, Katrin; Barratt, Daniel; Gallese, Vittorio; Kolesnikov, Anna; Umiltà, Maria Alessandra.

In: Scientific Reports, Vol. 9, No. 1, 2107, 2019.

Research output: Contribution to journalJournal articleResearchpeer-review

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