UNIT 2 sensation and perception

Question 1

what is sensation

Answer 1

the processing of information from our environment through the 5senses. info is sent to the brain in raw form where the brain processes and perception begins.

Question 2

what is perception

Answer 2

the way we interpret our sensations and makes us aware of everything around us

Question 3

absolute threshold

Answer 3

the minimum amount of stimulus energy required for perception to occur

Question 4

stages of sensation and perception

Answer 4

reception, transmission, transduction, selection, organisation, interpretation

Question 5

what is reception

Answer 5

stimulus collected by sense organ

Question 6

transmission

Answer 6

receptor cells send messages to the brain and sensory cortex for perception to begin

Question 7

transduction

Answer 7

stimulus energy converted by receptor cells into electro chemical nerve impulses

Question 8

selection

Answer 8

only paying attention to specific stimuli

Question 9

organisation

Answer 9

reorganisation of information in the brain

Question 10

interpretation

Answer 10

past experiences etc put into context and involved in the process of giving stimulus meaning.

Question 11

raw form for 5 senses

Answer 11

touch -mechanical
sight - light
smell - chemical (olfcation)
sound - vibrations 
taste - chemical (gustation)