Neural dynamics and acoustic adaptations during the Lombard effect: evidence from EEG and dynamic causal modeling.

This study by Z-Rivera, Castro, and Cuadros in *Scientific Reports* delves into the neural underpinnings of the Lombard effect, investigating how brain activity and acoustic speech changes occur when individuals speak in noisy environments. Utilizing electroencephalography (EEG) and dynamic causal modeling (DCM), the research aims to elucidate the complex interplay between neural processing and vocal adjustments. The findings offer crucial insights into how the brain modulates speech production in response to acoustic challenges. By understanding these neural dynamics and their relationship to acoustic adaptations, this research contributes to a deeper comprehension of speech behavior under adverse listening conditions, which is fundamental for any clinician working with communication in varied environments.

Original publication date: 2026 Apr 24