Central pattern generators (CPGs) are found at the segmental level of motor control.
a. What is the job of the CPGs?
b. What controls them, and where is this control localized?

Marieb, Hoehn 7th Edition
Ch. 13 The Peripheral Nervous System and Reflex Activity
Problem 27
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Central pattern generators (CPGs) are found at the segmental level of motor control.
a. What is the job of the CPGs?
b. What controls them, and where is this control localized?
Characterize each receptor activity described below by choosing the appropriate letter and number(s) from keys A and B.
_____ , _____ (1) You are enjoying an ice cream cone.
_____ , _____ (2) You have just scalded yourself with hot coffee.
_____ , _____ (3) The retinas of your eyes are stimulated.
_____ , _____ (4) You bump (lightly) into someone.
_____ , _____ (5) You are in a completely dark room and reaching toward the light switch.
_____ , _____ (6) You feel uncomfortable after a large meal.
Key A:
a. Exteroceptor
b. Interoceptor
c. Proprioceptor
Key B:
(1) Chemoreceptor
(2) Mechanoreceptor
(3) Nociceptor
(4) Photoreceptor
(5) Thermoreceptor
Compare and contrast flexor and crossed-extensor reflexes.
Which of the following is not a possible cause of conduction deafness?
a. Impacted cerumen
b. Middle ear infection
c. Cochlear nerve degeneration
d. Otosclerosis
Where are the olfactory sensory neurons, and why is that site poorly suited for their job?
Which of the following is important in maintaining the balance of the body?
a. Visual cues
b. Semicircular canals
c. The saccule
d. Proprioceptors
e. All of these