This thesis investigates the phenomenon of neural entrainment, namely, the alignment of brain activity to rhythmic stimuli, applied to language, examining how the brain processes syllables, phrases, and sentences. The study introduces an adaptation of an experimental paradigm to the Italian language and employs pupillometry to observe how pupil size changes in response to linguistic stimuli, providing insights into cognitive load and underlying neural activity. Italian, thanks to its flexible word order, makes it possible to determine whether neural alignment is driven by the syntactic structure of sentences or simply by the properties of individual words. This topic lies at the center of an ongoing theoretical debate: some argue that entrainment reflects the construction of syntactic structures, while others propose that it may arise from synchronization with lexical features of words. The thesis therefore contributes to understanding how the brain organizes and interprets language in a rhythmic and hierarchical manner.
Questa tesi esplora il fenomeno dell’entrainment neurale, cioè l’allineamento del cervello a stimoli ritmici, applicato al linguaggio, analizzando come il cervello processa sillabe, frasi e proposizioni. Lo studio propone un adattamento di un paradigma sperimentale alla lingua italiana e utilizza la pupillometria per osservare come cambiano le dimensioni della pupilla in risposta agli stimoli linguistici, fornendo indizi sul carico cognitivo e sull’attività cerebrale. L’italiano, grazie alla sua flessibilità nell’ordine delle parole, permette di distinguere se l’allineamento del cervello è legato alla struttura sintattica delle frasi o semplicemente alle proprietà delle singole parole. Questo tema è al centro di un dibattito teorico: alcuni sostengono che l’entrainment rifletta la costruzione di strutture sintattiche, mentre altri suggeriscono che possa derivare dalla sincronizzazione con caratteristiche lessicali delle parole. La tesi contribuisce quindi ad esplorare come il cervello organizza e interpreta il linguaggio in modo ritmico e gerarchico.
Studio pupillometrico sull’entrainment con le regolarità di composizione e distribuzione del linguaggio
CRIVELLARI, LAURA
2024/2025
Abstract
This thesis investigates the phenomenon of neural entrainment, namely, the alignment of brain activity to rhythmic stimuli, applied to language, examining how the brain processes syllables, phrases, and sentences. The study introduces an adaptation of an experimental paradigm to the Italian language and employs pupillometry to observe how pupil size changes in response to linguistic stimuli, providing insights into cognitive load and underlying neural activity. Italian, thanks to its flexible word order, makes it possible to determine whether neural alignment is driven by the syntactic structure of sentences or simply by the properties of individual words. This topic lies at the center of an ongoing theoretical debate: some argue that entrainment reflects the construction of syntactic structures, while others propose that it may arise from synchronization with lexical features of words. The thesis therefore contributes to understanding how the brain organizes and interprets language in a rhythmic and hierarchical manner.| File | Dimensione | Formato | |
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https://hdl.handle.net/20.500.12608/100132