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Chapter Objectives
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After studying the chapter, you should be able to . . .

Provide several examples that might serve to weaken Immanuel Kant's claim that our sense of smell is an inferior sense.

Explain why devising an odor classification scheme has proven difficult, and compare and contrast the methods of classification mentioned in the chapter.

Trace the neurological process of olfaction through the olfactory epithelium once an odorous vapor has reached this tissue.

Explain how olfactory sensory neurons differ from receptor neurons in the eyes and in the ears.

Continue to trace the neurological pathway once information has left the olfactory epithelium through the olfactory nerve to the brain.

Explain the factors involved in odor sensitivity (detection) and in coding odor intensity.

Explain the factors involved in odor identification, and discuss why identification can sometimes be difficult.

Explain what is meant by the "common chemical sense," and discuss its importance to olfaction.

Explain permanent and temporary disorders of olfaction.

Discuss the relationship between odors and memory.

Evaluate the evidence in human for a vomeronasal organ to detect sex pheromones.







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