Sentence examples for vocal variation from inspiring English sources
Songbirds with less vocal variation also show a tendency to copy chunks from their tutors' song.
The current study examines intra- and inter-individual vocal variation in the song of female African black coucals.
Thus, we provisionally conclude that vocal variation in rufous-collared sparrows is probably a manifestation of cultural evolution that overlies deeper intraspecific genealogical patterns.
Indexical cues of fitness-related parameters have also been observed in the vocal variation of non-human mammals, suggesting that they play a role in mate attraction and/or intrasexual competition.
In the second analysis for vocal variation, we considered four populations in which vocal characters are fixed (Ciel, Ord, Tux and Nov); vocal traits were coded as presence/absence of introductory syllable type.
Studies investigating the causal mechanisms underlying vocal variation in primates are therefore a first step towards a better understanding of the factors that drive acoustic divergence, and ultimately vocal learning.
The result is lots of eye candy, some garbling of the verse (from Padraic Delaney's Oberon/Theseus especially), and Mr. Walliams going against the tide by pretty much keeping his clothes on while effecting vocal variations on his "Little Britain" TV persona.
ResearchKit lets people take tests like saying "ahhh" to detect vocal variations, walking in a line, or tapping in rhythm to test for Parkinson's Disease.
These results suggest that a single-trial design is sensitive enough to begin to delineate a widespread network of activations in both hemispheres associated with vocal pitch variation.
Instructor immediacy includes both nonverbal behaviors (e.g., facial expressions, gestures, movement around the classroom) and verbal behaviors (e.g., calling students by name, using humor, vocal tone variation), including the noncontent language used by instructors.
The telephone, at least, allows for some of our vocal tone variations.
