Chapter 4 Flashcards
Major structures of speech
Respiratory, phonation, and articulatory systems
Why study anatomy and physiology
To understand communication disorders because parts of different neuroanatomic systems provide physical mechanisms needed. Various bones, muscles, membranes, tendons, cartilage, and nerves are involved in speech production
Why is respiratory system important
You need air to speak and you speak on exhalation
Resonance
Modification of a sound by structures through which the sound passes
Afferent
The flow of information toward the cell body
Efferent
Information flowing out the cell body
Brain stem
Spinal cord, medulla, pons, midbrain
Cerebellum
Major structure of movement, regulates equilibrium, body posture, and coordinated fine motor movements. These movements are essential for rapid speech