Which of the following points support the theory that gestural language preceded the evolution of speech?
A) children who are bilingual in speech and sign generally are more advanced in speech
B) it is generally believed that hominid brain size increased long before the human vocal tract evolved
C) children deprived of a language model invent spoken languages more readily than signed languages
D) present-day humans still use gesture to accompany speech

Question

Quizplus · Accepted Answer

The increase in hominid brain size before the evolution of the vocal tract suggests that cognitive capabilities for communication developed before the physical ability for speech, supporting the idea that gestural language could have preceded spoken language.

Which of the Following Points Support the Theory That Gestural