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Flashcards in Mod 17 Deck (18)
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1

Sensation: the process by which our ... and ... receive and represent ... from our environment --> the brain receives input from the ...

sensory receptors; nervous system; stimulus energies; sensory organs

2

perception: the process of ... and ... sensory information, enabling us to recognize meaningful ... and ... --> the brain makes sense out of the ... from sensory organs

organizing; interpreting; objects; events; input

3

bottom-up processing: taking sensory information and then

assembling and integrating it

4

top-down processing: using models, ideas, and expectations to

interpret sensory information

5

the process of sensation can be seen as three steps: ..., ..., and ...

reception; transduction; transmission

6

reception: the stimulation of ... by ... (sound, light, heat, etc.)

sensory receptor cells; energy

7

transduction: ... this cell stimulation into ...

transformation; neural impulses

8

transmission: ... this neural information to the ... to be ...

delivering; brain; processed

9

signal detection theory refers to whether or not we ..., esp amidst background noise. this depends not just on ... of the stimulus but on ... such as the person's ..., ..,. .., and ...

detect a stimulus; intensity; psychological factors; experience; expectations; motivations; alertness

10

the absolute threshold refers to the minimum level of ... needed to ... half the time

stimulus intensity; detect a stimulus

11

anything below the absolute threshold is considered ...

subliminal

12

subliminal: below our threshold for being able to ...

consciously detect a stimulus

13

although we cannot learn complex knowledge from subliminal stimuli, we can be ..., and this will affect our subsequent choices

primed

14

difference threshold refers to the minimum ... (in color, pitch, weight, temp, etc.) for a person to be able to ... half the time

difference; detect the difference

15

Weber's law refers to the principle that for two stimuli to be perceived as different, they must differ by a .... and not a ... (e.g. 1/100th of the weight, not 2 ounces):

minimum percentage; constant amount

16

to detect novelty in our surroundings, our senses tune out a ...

constant stimulus

17

perceptual set is what we ..., which influences what we ... perceptual set is an example of ... processing

expect to see; do see; top-down

18

(experiments show that) destinations seem farther when you're ....
a target looks ... when your crossbow is heavier
a hill looks ... with a heavy backpack, or after sad music, or when walking alone
something you ... looks closer

tired; farther; steeper; desire