The dual coordination model of speech production is an elaborated functional model of what part of the Hickok & Poeppel Dual Stream Model?

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The question asks: The dual coordination model of speech production is an elaborated functional model of what part of the Hickok & Poeppel Dual Stream Model?

Option 1: The speech perception network. This option points toward perception processes involved in understanding speech, which is more closely tied to the ventral stream's role in mapping sound to meaning, rather than the production-focused coordination the question references.

Option 2: The combinatorial network. This term does not correspond to a standard labeled component in the Hickok & Poeppel framework; it sounds like a generic descriptor rather than a defined stream or network within the model, making it an unlikely candidate.

Option 3: The dorsal stream. This is the component most associated with the sensorimotor integration necessary for speech production, including mapping auditory representations to articulatory motor plans and coordinating timing for speech output. The dual coordination model of speech production fits this production-oriented, dorsal pathway function.

Option 4: The ventral stream. The ventral stream is typically linked to speech comprehension and semantic processing (sound-to-meaning mapping), not the production coordination aspect described in the question, so it does not capture the elaborated production-focused role implied by the dual coordination model.

In summary, option 3 best aligns with the production-oriented specialization of the dorsal stream, which handles the integration between auditory targets and motor commands necessary for articulating speech. The other options misattribute the model to perception, semantics, or to an undefined combinatorial construct, making them inconsistent with the established division of labor in the Hickok & Poeppel framework.

Language & the Brain -... Final Exam S25

The dual coordination model of speech production is an elaborated functional model of what part of the Hickok & Poeppel Dual Stream Model?

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