Makaton: This uses signs, symbols and speech to communicate with people who cannot communicate effectively. It is important because it has proven effective and can connect people who may not have had a chance before.
Not just for adults- or just for children- we need to recognize the importance of nonverbal communication as well. Those with oral apraxia have trouble making facial expressions for example Verbal and Non-Verbal Communication
33 Little Ways to Improve Your Nonverbal Communication Skills [Infographic]