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. 2010 Sep 29;30(39):12936–12949. doi: 10.1523/JNEUROSCI.2690-10.2010

Figure 6.

Figure 6.

Relationships between sequence-dependent phonological differences and the phonological differences between adjacent syllables. a, Schematic of how the acoustic difference between syllables preceding a convergent syllable is compared with the size of sequence-dependent differences in phonology. Syllable B is found after either syllable A or D in the songs of BF06. The COM distance between syllables A and D is compared with the COM distance between AB and DB. This datum is plotted in green in b. b, Acoustic differences between syllables preceding a convergent syllable versus the size of sequence-dependent phonological differences. There is a significant, positive relationship between the COM distance separating the preceding syllables (pre-CONV COM distance) and the size of the sequence-dependent acoustic difference (CONV COM distance, p = 0.017; r = 0.40). c, Schematic of how the acoustic difference between syllables after a divergent syllable is compared with the size of sequence-dependent differences in phonology. Syllable A is found preceding either syllable B or another rendition of syllable A in the songs of BF07. The COM distance between syllables AB and AA is compared with the COM distance between A and B. This datum is plotted in green in d. d, Acoustic differences between syllables after a divergent syllable versus the size of sequence-dependent phonological differences. There is no significant relationship between the COM distance separating the following syllables (post-DIV COM distance) and the size of the sequence-dependent acoustic difference (DIV COM distance, p = 0.87).