Senses of Taste

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A Powerpoint presentation I created for an Advanced Human Physiology group project, Summer 2010.

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Senses of Taste

  1. 1. The Senses of Taste<br />Michelle Ellis, John Knowles, Grace Purdy,Connie Walker, Brian Witte<br />
  2. 2. Introduction<br />Physiology of Taste<br />Purpose of Experiment<br />Demonstration of Experiment<br />Results of Experiment<br />
  3. 3. Physiology of Taste<br />Five basic taste receptors<br />Sweet<br />Sour<br />Salty<br />Bitter<br />Umami<br />Taste signals interpreted in the gustatory cortex<br />Senses rarely function independently<br />
  4. 4. Purpose of Experiment<br />Determine the influence of:<br /> visual<br />olfactory<br />input when a subject attempts to identify the flavor of a beverage<br />
  5. 5. Hypothesis<br />Test subjects will:<br />have little difficulty identifying the flavor of sample beverages when visual and olfactory clues are as expected<br />have some difficulty identifying the flavor of sample beverages when visual clues are altered<br />have a great deal of difficulty, or possibly no ability to identify the flavor of a sample beverage when both visual and olfactory clues are removed<br />
  6. 6. Sample Sets<br />
  7. 7. Demonstration<br />
  8. 8. Sample Set 1<br />
  9. 9. Sample Set 2<br />
  10. 10. Sample Set 3<br />
  11. 11. Results<br />Hypothesis was correct<br />Time to identify flavor increased with each set<br />Accuracy of identification decreased with each set<br />Gender and age of subject may influence taste<br />
  12. 12. Average Time Per Sample Set<br />
  13. 13. Percentage of Total Time<br />
  14. 14. Total Correct<br />
  15. 15. Percentage Correct<br />
  16. 16. Average Time Per Sample - Gender<br />
  17. 17. Average Time Per Sample - Age<br />
  18. 18. Conclusion<br />Visual and olfactory perceptions influence taste<br />Misleading visual cues can confuse sense of taste<br />Lack of visual and olfactory clues make it very difficult to perceive taste<br />What we perceive as one sense is often made up of input from several related senses<br />
  19. 19. Questions<br />

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