Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Humans' and animals' identification functions for two series ranging from a voiced to a voiceless phonetic unit (/d/to/t/and/g/to/k/) showing that animals' perceptual boundaries correspond to humans' phonetic boundaries. VOT, voice onset time. [Reproduced with permission from ref. 19 (Copyright 1978, Acoustical Society of America).]
