Sensory systems

Question 1

Name some different types of sensory receptors.

Answer 1

• mechanoreceptors
• chemoreceptors
• thermoreceptors
• nociceptors
• proprioceptors

Question 2

What is the specific area over which a sensory receptor can respond to a stimulus?

Answer 2

The receptive field.

Question 3

Generator potential is:

Answer 3

Graded, local and detrimental.

Size of receptor potential encodes the intensity of the stimulus.

Question 4

AP’s are:

Answer 4

Always the same size and can only encode intensity in frequency –> frequency of AP’s encodes the intensity of the stimulus. They are self-propagating.