sensation and perception

Question 1

define stimuli

Answer 1

external energy in the environment that elicits or influences a psychological or physiological activity or responce.

Question 2

define sensory organs

Answer 2

sense organs that allow us to recieve physical energy from the environment (eyes, ears, tongue, nose, skin)

Question 3

define sensation

Answer 3

the physiological/physical process by which sensory organs detect stimuli from the environment and transmit them to the brain for interpretation

Question 4

define perception

Answer 4

the psychological process of recieving, organising and interpreting information received by our sense organs into meaningful objects and events.

Question 5

what are the 3 stages of sensation

Answer 5

Reception - sensory receptors detect the presence of stimuli
Transduction - sensory receptors covert energy into electro chemical energy
Transmission - neural impulses leave sensory organs and travel to the brain.

Question 6

what are the three stages of perception

Answer 6

selection - feature detectors in the brain filter the stimuli by responding to specific features of stimulus and ignoring the rest.
Organisation - organise the features of sensory stimuli in a meaningful manner.
Interpretation - gives meaning to sensory stimuli