Sensory Reception and Sensation - 12.1

Question 1

What category are photoreceptors located in?

Answer 1

Vision

Question 2

Examples of photoreceptors.

Answer 2

Rods and Cones

Question 3

What is the stimulus for photoreceptors?

Answer 3

visible light

Question 4

What are the categories of chemoreceptors?

Answer 4

Taste, smell, internal senses

Question 5

What is the receptor for taste?

Answer 5

Taste buds on the tongue

Question 6

What is the stimulus for the receptors for taste?

Answer 6

Food particles in saliva

Question 7

What is the receptor for smell?

Answer 7

Olfactory receptors in the nose

Question 8

What is the stimulus for the receptors for smell?

Answer 8

Odour molecules

Question 9

What is the receptor for hearing?

Answer 9

Hair cells in the air

Question 10

What is the stimulus for this receptor of hearing?

Answer 10

Sound waves

Question 11

What is the receptor for balance?

Answer 11

Hair cells in the inner ear

Question 12

What is the stimulus for this receptor of balance?

Answer 12

fluid movement

Question 13

What is the receptor for body position?

Answer 13

proprioceptors in the muscles, tendons, and joints

Question 14

What is the stimulus for the receptor of body position?

Answer 14

muscle contraction, stretching, movement

Question 15

What are the categories Thermoreceptors?

Answer 15

Temperature

Question 16

What are the receptors for temperature?

Answer 16

Heat and cold receptors in the skin

Question 17

What is the stimulus for temperature receptors?

Answer 17

Change in radiant energy

Question 18

What are the receptors for internal senses?

Answer 18

Osmoreceptors in the hypothalamus

receptors in the cartoid artery and aorta

Question 19

What are the stimulus’ for the internal sense receptors?

Answer 19

Osmoreceptors - low blood volume
receptors in aorta and cartoid artery - blood pH

Question 20

How do senses transmit sensory information to the brain?

Answer 20

With electrochemical impulses

Question 21

What are sensory receptors?

Answer 21

Nerve endings and cells that detect sensory information

Question 22

When does sensation occur?

Answer 22

When neural impulses reach the cerebral cortex.

Question 23

What does sensation depend on?

Answer 23

The area of the brain that interpretated the information.

Question 24

What is perception?

Answer 24

Interpretation of sensory information by the cerebral cortex.

Question 25

What is sensory adaptation?

Answer 25

When the brain filters our redundant, insignificant information
- If there is a significant change in your internal and external environment your body can adjust

Question 26

How does brain process information quickly?

Answer 26

Brain parallels - splits up input to various areas of the brain (neural multi tasking)

Question 27

What are the four categories of human sensory receptors?

Answer 27

Photoreceptors, chemoreceptors, mechanoreceptors, and thermoreceptors

Question 28

What do the receptors do?

Answer 28

Convert energy from stimuli into electrochemical energy (can be processed by nervous system)

Question 29

What do proprioceptors do?

Answer 29

Provide information on body position and movement

Question 30

What happens if a particular receptor is damaged?

Answer 30

Results in loss of associated sense

Question 31

How does the artificial eye work?

Answer 31

Camera is put on glasses

Camera captures images - sends them to computer on belt

Computer processes information - sends them to electrodes in visual cortex (passed damaged area)

Electrodes stimulate brain - produces pattern of bright spots - visual cortex perceieves as crude images