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Psych 1000 > Week 4: Sensation and Perception > Flashcards

Week 4: Sensation and Perception Flashcards

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1
Q

True or False: Perception is easy and direct/

A

False

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2
Q

True or False: Perception happens in the brain, not the eyes

A

True

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3
Q

What is the difference between sensation and perception?

A

sensation: the environment stimuli hitting the sensory organs vs perception: when the brain interprets the signals to form a representation of the enviorment

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4
Q

What is the difference between sensation and perception?

A

sensation: the environment stimuli hitting the sensory organs vs perception: when the brain interprets the signals to form a representation of the environment

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5
Q

What are the 5 senses?

A

vision, taste, smell, touch, and auditory

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6
Q

What are other types of senses, like in animals?

A

echolocation, thermal change, electrical fields

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7
Q

The visual system uses what to gather information about the enviornment?

A

light waves

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8
Q

What colors represent short and long wavelengths?

A

short: purple or blue, long: red

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9
Q

The brightness/ intensity of light is determined by what?

A

wave height

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10
Q

What are the 4 steps of seeing?

A
  1. Light hits eyes
  2. Lens sends light to retina (photo receptors)
  3. Transduction happens at retina
  4. Information goes to brain to be interpreted
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11
Q

What is transduction?

A

When sensory signals (light, pressure, sound, etc) is translated into electrical signals

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12
Q

The retina is covered in what cells?

A

photoreceptors

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13
Q

In our blind spot, there is no what?

A

photoreceptors

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14
Q

Rods and cones are in the what?

A

retina

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15
Q

Rods see in what while cones see in what?

A

grayscale and low acuity; color and high acuity

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16
Q

What is in the center of the retina?

A

fovea

17
Q

What color is associated with medium cones?

A

green

18
Q

What are the opposing color pairs?

A

blue vs yellow
red vs green
black vs white

19
Q

what are the 2 visual streams to the brain?

A

ventral and dorsal

20
Q

What kind of stream is the “what” stream?

A

ventral

21
Q

What kind of stream is the “where” and “how” stream?

A

dorsal

22
Q

How many Gestalts law of perception are there?

A

7

23
Q

What principle of Gestalts law is when the brain picks the simplest interpretation of something?

A

simplicity

24
Q

What principle of Gestalts law is when the brain fills in gaps with familiar elements/figures?

A

closure

25
Q

What principle of Gestalts law is when the brain groups lines with the same orientation together?

A

continuity

26
Q

What principle of Gestalts law is when the brain groups items with similar color, shape, and texture together?

A

similarity

27
Q

What principle of Gestalts law is when the brain groups things in close proximity together?

A

proximity

28
Q

What principle of Gestalts law is when the brain groups elements moving in the same direction together?

A

common fate

29
Q

What principle of Gestalts law is when the brain sees objects as separate from surroundings?

A

figure/ground distinction

30
Q

The like hood principle is what?

A

when the brain perceives the object that is most likely to have caused the pattern of stimuli
Ex: truck example from video

31
Q

True or False: Perception is not based on your knowledge.

A

False

32
Q

Smell and taste are what type of senses?

A

chemical

33
Q

What are the 4 steps of smelling?

A
  1. Molecules hit nose cavaties
  2. Transduction happens at olfactory epithelium
  3. olfactory epithelium sends neural impulses to olfactory bulb
  4. Smells processed at olfactory bulb
34
Q

memories and emotional areas may be linked to what sense?

A

smell

Psych 1000 (4 decks)

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