A Theoretical Framework for Human and Nonhuman Vocal Interaction

Castellucci, Gregg A.; Guenther, Frank H H; Long, Michael A.

doi:10.31234/osf.io/4xzw8

Cited by 2 publications

(1 citation statement)

References 164 publications

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“…7 speech actions. The close interaction between language comprehension in production in conversation has also been confirmed by the neuroimaging experiments (Castellucci, Guenther, et al, 2022;Castellucci, Kovach, et al, 2022). To the best of our knowledge, only a handful of studies have tackled bilingual control mechanisms in a situation that more closely approximates bilingual dialogue (Gambi & Hartsuiker, 2016;Liu et al, 2018;Zhang et al, 2020).…”

Section: The Interaction Of Bilingual Language Comprehension and Prod...mentioning

confidence: 68%

The impact of cues on language switching: do spoken questions reduce the need for bilingual language control?

Timmer¹,

Wolna²,

Wodniecka³

2023

Preprint

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Bilinguals have two words for each concept, one in each language. Therefore, they need a mechanism to select the words in the right language. The classical language switching paradigm using arbitrary cues to indicate the language has revealed that switching between languages comes at a cost and typically makes one slower in the first than the second language. However, during everyday conversations, bilinguals seem to switch between their languages easily. Therefore, we investigated whether a more ecological environment than the classical language switching paradigm indeed facilitates language switching. To test this, we investigated how Polish-English bilinguals named pictures in their first and second language during the classical switching paradigm (Experiment 1: red vs. blue outline; Experiment 2 & 3: low vs. high tone) compared to our modified conversational switching paradigm. In the latter, auditory question cues (Experiments 1-3: ‘Co?’ vs. ‘What?’) indicated the language to answer in. We used question cues to simulate one element of real-life conversations. Our results revealed a dissociation between the two indices of language control: the question cues, compared to arbitrary cues, reduced the language switch cost and did not modulate (in Experiment 1) or increase the reversed language dominance (in Experiments 2 & 3). The reduced switch cost in all experiments suggests that tasks employing spoken questions as cues could represent a more valid measure of daily life's language switch cost. Therefore, we recommend this adapted switching paradigm should be used as a more accurate measure of language control.

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Section: The Interaction Of Bilingual Language Comprehension and Prod...mentioning

confidence: 68%

The impact of cues on language switching: do spoken questions reduce the need for bilingual language control?

Timmer¹,

Wolna²,

Wodniecka³

2023

Preprint

View full text Add to dashboard Cite

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Neural dynamics in the rodent motor cortex enables flexible control of vocal timing

Banerjee

Chen

Druckmann

et al. 2023

Preprint

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Neocortical activity is thought to mediate voluntary control over vocal production, but the underlying neural mechanisms remain unclear. In a highly vocal rodent, the Alstons singing mouse, we investigate neural dynamics in the orofacial motor cortex (OMC), a structure critical for vocal behavior. We first describe neural activity that is modulated by component notes (~ 100 ms), likely representing sensory feedback. At longer timescales, however, OMC neurons exhibit diverse and often persistent premotor firing patterns that stretch or compress with song duration (~ 10 s). Using computational modeling, we demonstrate that such temporal scaling, acting via downstream motor production circuits, can enable vocal flexibility. These results provide a framework for studying hierarchical control circuits, a common design principle across many natural and artificial systems.

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A Theoretical Framework for Human and Nonhuman Vocal Interaction

Cited by 2 publications

References 164 publications

The impact of cues on language switching: do spoken questions reduce the need for bilingual language control?

The impact of cues on language switching: do spoken questions reduce the need for bilingual language control?

Neural dynamics in the rodent motor cortex enables flexible control of vocal timing

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