BMD 330: Human Physiology
Chapter 10 Objectives
Sensory Physiology
Basic Sensory Physiology
1. Name the major classes of receptors
2. Define the Law of Specific Nerve Energies, modality, adequate stimulus, transduction, and adaptation
3. Compare/contrast rapidly- to slowly-adapting receptors
4. Describe sensory pathways: first order, second order, and third order neurons
5. Define a sensory unit
6. Define receptive fields
7. Describe how we code stimulus type, stimulus intensity, and stimulus location
8. Describe 2-point discrimination
9. Describe lateral inhibition
10. Explain why our perception is not necessarily what is actually present in the world
Somatosensory System
11. Name the main sensory receptors associated with the skin
12. Define proprioception
13. Describe the dorsal-column pathway
14. Describe the spinothalamic tract
15. Define the three classes of nociceptors
16. Explain fast vs. slow pain
17. Explain the gating theory of pain
18. Explain the phenomenon of referred pain
19. Compare/contrast warm and cold receptors
Smell
20. Describe the olfactory epithelium
21. Describe the transduction process for olfactory receptors
22. Describe the two neural pathways of olfaction
Taste
23. Describe a taste bud and chemoreceptors
24. Name the 4 primary tastes and describe the mechanism of transduction for each
Hearing
25. Describe the properties of sound waves
26. Describe the anatomy of the ear
27. Describe the process of sound amplification in the middle ear
28. Describe the process of sound transduction in the inner ear
29. Describe the coding of pitch and loudness of sound
30. Describe the neural pathway for hearing
31. Compare conductive, sensorineural, and central deafness
Vestibular System
32. Describe the vestibular apparatus and its role in angular vs. linear acceleration
33. Describe the process of transduction in the vestibular apparatus
34. Describe the neural pathways for maintaining balance and equilibrium
Vision
35. Describe the anatomy of the eye
36. Describe the refraction of light as it moves through concave and convex surfaces
37. Define the focal point
38. Describe accommodation
39. Define the following clinical defects: presbyopia, cataract, astigmatism, myopia, hyperopia, and
40. Describe the mechanisms for regulating light entering the eye
41. Describe the anatomy of the retina and photoreceptors
42. Describe the process of phototransduction
43. Compare/contrast rods to cones
44. Describe the neural pathway for vision