语言病理学家对儿童和成人的语言，语音，流利度，发音和语音障碍，认知以及吞咽问题进行评估和治疗。它们提供了有助于功能交流并增强日常活动交流的技术。听力学家诊断和治疗患有听力和平衡障碍的个体，并提供服务，包括安装和分发助听器或其他辅助设备，为个体提供听力损失咨询，提供听觉康复以及进行噪声测量。
Speech-language pathologists assess and treat children and adults with language, voice, fluency, articulatory and phonologic disorders, cognitive, as well as swallowing problems. They provide the technology to assist with functional communication and to enhance communication in daily activities. Audiologists diagnose and treat individuals with hearing and balance disorders, and provide services that include fitting and dispensing hearing aids or other assistive devices, counseling individuals concerning hearing loss, providing auditory rehabilitation and making noise measurements.