U2AOS2 - Sensation (3)

The process by which sense organs gather information about the environment and transmit it to the brain for initial processing (Reception, Transduction, Transmission)

• Sensation

• Perception

• Interpretation

• Organisation

The related process by which the brain selects, organises and interprets sensations (Selection, Organisation, Interpretation)

• Sensation

• Perception

• Interpretation

• Organisation

You sense the

external environment

through your...

• Eyes, ears, nose, tongue, fingers

• Brain

• Sight, sound, smell, touch, taste,

• Perceptual interpretation

What are sense receptors?

• Nerve endings in your skin

• Rods & cones

• Taste buds

• All of the above

What energy is required for you to sense taste?

• Electrochemical energy

• Chemical energy

• Kinetic energy

• All of the above

Where are the receptor cells contained in this diagram?

• Cornea

• Iris

• lens

• Retina

What colour on the tongue represents taste buds that sense sour?

• Pink

• Yellow

• Green

• Blue

The absolute threshold for most peoples vision is?

• Unobstructed candle light 500m

• Unobstructed candle light 1km away

• Unobstructed candle light 5km away

• Unobstructed candle light 50km away

The absolute threshold for most people to detect taste is approximately?

• 1 teaspoon in 1L

• 1 teaspoon in 2L

• 1 teaspoon in 4L

• 1 teaspoon in 8L

Are the stages of sensation systematic?

• No, receptions, transduction, transmission can occur in any order

• No, receptions, transduction, transmission have to occur in a set order

• Yes, receptions, transduction, transmission have to occur in set order

• Yes, receptions, transduction, transmission can occur in any order