M
Marcela Peña
Researcher at Pontifical Catholic University of Chile
Publications - 40
Citations - 3956
Marcela Peña is an academic researcher from Pontifical Catholic University of Chile. The author has contributed to research in topics: Speech perception & Language acquisition. The author has an hindex of 20, co-authored 39 publications receiving 3595 citations. Previous affiliations of Marcela Peña include University of Chile & School for Advanced Studies in the Social Sciences.
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Sounds and silence: An optical topography study of language recognition at birth
Marcela Peña,Atsushi Maki,Damir Kovačić,Ghislaine Dehaene-Lambertz,Hideaki Koizumi,Furio Bouquet,Jacques Mehler +6 more
TL;DR: In this article, the authors used a 24-channel optical topography device to assess changes in the concentration of total hemoglobin in response to auditory stimulation in 12 areas of the right hemisphere and 12 regions of the left hemisphere.
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Synchronization of Neural Activity across Cortical Areas Correlates with Conscious Perception
TL;DR: It is proposed that the critical process mediating the access to conscious perception is the early transient global increase of phase synchrony of oscillatory activity in the gamma frequency range.
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The neonate brain detects speech structure
TL;DR: The ability of newborns to learn simple repetition-based structures in two optical brain-imaging experiments suggests that newborns are sensitive to certain input configurations in the auditory domain, a perceptual ability that might facilitate later language development.
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Signal-driven computations in speech processing.
TL;DR: It is shown that both statistical computations to identify words in speech and algebraic-like computation to discover higher level (grammatical) structure can be influenced by subtle cues in the speech signal.
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Linguistic Constraints on Statistical Computations The Role of Consonants and Vowels in Continuous Speech Processing
Luca L. Bonatti,Luca L. Bonatti,Marcela Peña,Marcela Peña,Marina Nespor,Jacques Mehler,Jacques Mehler +6 more
TL;DR: This article hypothesized that vowels and consonants in words carry different kinds of information, the latter being more tied to word identification and the former to grammar, and predicted that in a word identification task involving continuous speech, learners would track TPs among consonants, but not among vowels.