12.1 Sensory receptors and sensation

Question 1

Sensation

Answer 1

occurs when the neural impulses arrive at the cerebral cortex

when sensory receptors detect sensory stimuli

the process of sensing our surrounding using the five senses

Question 2

Preception

Answer 2

the process of interpreting the acquired sensations.

Question 3

sensory adaptation

Answer 3

when the brain filters out redundant insignificant information
- ex: you no longer notice the ticking of a clock or feel the clothes on your skin.

Question 4

Sensory receptors

Answer 4

specialized cells pr neuron endings that detect specific stimuli

Question 5

Photoreceptors

Answer 5

• stimulated by light energy
• rods and cones
  allow us to sense light and colour

Question 6

Chemoreceptors

Answer 6

• stimulated by certain chemicals

- ex: tongue and taste buds/olfactory cells that detect ordour in the air

Question 7

mechanoreceptors

Answer 7

• respond to mechanical forces from some sort of pressure

- ex: hair cells in the inner ear are activated when sound waves cause parts of the inner ear to vibrate

Question 8

Thermoreceptors

Answer 8

detect heat and cold