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Primer explores how delta waves may influence slow animal communication tempos, suggesting evolutionary implications.
How does the tempo of animal communication signals evolve? This Primer explores two recent reports published in PLOS Biology, identifying a hotspot of signal tempos between 0.5-4 Hz and independently hypothesizing that delta waves in the receivers' brains may drive the evolution of this pattern.
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Xu et al. (2026) studied this question.
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