8. Back of Neck Questions 9. Are the two-point distances on different areas of t
ID: 3523491 • Letter: 8
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8. Back of Neck Questions 9. Are the two-point distances on different areas of the skin the same? Why or why not do you think this is? If they are not the same, which area was the most sensitive and which area was the least sensitive?l 10 Which skin areas do you think have more receptors, areas that have small two point distances or large two-point distances? Why? 11. Which brain area do you think is larger, one receiving information from skin with lots of receptors or from skin with a few receptors? Why? 12.What are the different types of tactile receptors in our skin and what sensation(s) does each detect? 13. Which tactile receptor is most involved with 2-point discrimination? Activity 2: Does Color Effect Taste? Materials . At least 4 different flavored jelly beans (two of each flavor for each subject)-so 8 per subject 2 Cups per subject (not clear-you should not be able to see through the cups) For each subject you test (do 2- you can have someone test you for 1 or you can test 2 people), you will need 4 pairs of jelly beans. For example, get 2 cherry jelly beans, 2 lime jelly beans, etc. Each jelly bean flavor should have its own unique color red cherry, green for lime, etc, Divide the jelly beans into two groups: each group should have one of each flavor forExplanation / Answer
Answer 9)
The two-point distances on different areas of skin are not the same. One is highly sensitive and other is less sensitive.
The areas that are more sensitive have large number of receptor cells than that in less sensitive areas.
Lips, fingertips are structures having high sensitivity while neck, forearm are least sensitive areas.
Answer 10)
The skin areas that have small two point distance have more number of receptors and are more sensitive as they regulate entire region and large two point distance are less sensitive beacuse the receptors are not evenly distributed over different areas of the body.
Answer 11)
The bain area which receives less amount of receptor has to be large enough to process abaundant information in lack of adequate receptors. Hence, the brain area that receives information from skin with few receptors is larger.
Answer 12)
There are wide range of tactile receptors in skin.
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