Sensation

Question 1

What is sensation?

Answer 1

The process of Stimulating a Receptor that gives rise to the Neural Impulse

Question 2

What are the two types of sensory threshold?

Answer 2

1. Absolute Threshold

2. Difference Threshold/ noticeable difference

Question 3

What is an Absolute Threshold?

Answer 3

The minimum amount of energy to produce a reliable sensory experience

Question 4

What is the Difference Threshold/ Noticeable difference?

Answer 4

The smallest psychical difference that can be recognized as a difference

Question 5

What are the 4 basic types of sensory receptors & what part of the body do they correlate to?

Answer 5

• Photoreceptors (eyes)
• Chemoreceptors (nose & mouth)
• Mechanoreceptors (everywhere)
• Thermoreceptors (everywhere)

Question 6

What does the Photoreceptors do?

Answer 6

detects light, that results in vision

Question 7

What does the Chemoreceptors do?

Answer 7

detects chemicals, that result in taste and smell

Question 8

What does the Mechanoreceptors do?

Answer 8

detects movement, that results in hearing and touch sensations

Question 9

What does the Thermoreceptors do?

Answer 9

detects temperature, that gives a hot or cold sensation

Question 10

How do we taste?

Answer 10

What ever we are tasting have to contain chemical molecules that dissolve in saliva, & we have to produce enough saliva to break down the chemicals

Question 11

What are the 4 main qualities of taste?

Answer 11

• Sweet
• Sour
• Salty
• Bitter

Question 12

Where are the Receptors on are tongue for sweet, sour, salty, & bitter?

Answer 12

• In the tip of the tongue for sweet receptors
• In the middle of the sides of the tongue for sour
• All around the edges for salty
• In the back of the tongue for bitter