Figure 1 | Scientific Reports

Figure 1

From: Auditory thresholds compatible with optimal speech reception likely evolved before the human-chimpanzee split

Figure 1

Evolutionary models representing the most likely evolution of the average auditory threshold of primates between 1 and 8 kHz. (A) Evolutionary model when considering the Kojima audiogram30 for chimpanzees. (B) Evolutionary model when considering the Elder audiogram32 for chimpanzees. Note the differences at the node of the last common ancestor of Homo and Pan. (A, B) The colour scale represents decibels.

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