Sensation and Perception Flashcards

(37 cards)

1
Q

What is defined as the detection, like when you see, hear or smell something automatically?

A

Sensation

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2
Q

What is defined as the interpretation or making sense of something that you experience?

A

Perception

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3
Q

What is defined as filtering through incoming sensations and is involuntary?

A

Sensory Reduction, like mother hearing a baby crying in her sleep and not a train nearby.

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4
Q

What is defined as the psychological reaction to something in the physical world like a sight, sound, smell or taste of something?

A

Psychophysics

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5
Q

Psychologists take what two types of thresholds?

A

Absolute Thresholds and Difference Thresholds

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6
Q

What type of threshold is the minimum amount of stimulus required for detection?

A

Absolute threshold, like the faintest sound a person can pick up during a hearing test

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7
Q

What type of threshold is the just noticeable difference between 2 similar stimuli?

A

JND or Difference Threshold, like a wine taster knowing the difference in very similar wines.

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8
Q

What is defined as the diminishing sensitivity to an unchanging stimulus?

A

Sensory Adaptation

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9
Q

Tough transparent layer of the eye

A

cornea

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10
Q

opening of the eye that constricts and dilates

A

pupil

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11
Q

colored part of the eye

A

iris

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12
Q

the part of the eye that focuses light (accommodation)

A

lens

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13
Q

The back part of the eye containing photoreceptors.

A

retina

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14
Q

What are the 2 photoreceptors in the retina?

A

rods (dim lights) and cones (color and fine detail)

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15
Q

What is the tympanic membrane in the ear?

A

eardrum

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16
Q

what are decibels in the ear?

A

units of sounds

17
Q

what is the faintest detectable sound?

18
Q

What is the amount of decibels for a normal conversation?

19
Q

At what amount of decibels would cause hearing damage?

20
Q

What is olfaction?

21
Q

What is audition?

22
Q

How many different smells can humans detect?

23
Q

What is the point of taste gustation?

A

Function, to keep you from danger.

24
Q

What is defined as false or misleading perceptions?

25
What is defined as focusing on what you choose to pay attention to?
selective attention, like the cocktail party effect.
26
What is defined as the tendency to ignore an unchanging environmental stimulus?
selective habituation
27
What is ignoring a post-it note you've had up for a week or disregarding a compliment from a long time partner an example of?
selective habituation
28
What are the list of guidelines that help humans organize their perceptions?
The Gestalt Principles
29
What Gestalt Principle is defined as a figure being perceived as separate from the background?
Figure from Ground
30
What Gestalt Principle is defined as the tendency to perceive a complete unit, even where there are gaps?
Closure
31
What is defined as the perception of an object that remains the same despite changes in stimulus?
Constancies: size, shape, and color. like knowing the size of a car remains the same no matter how close or far you are from its view.
32
What is defined as the ability to judge a distance and perceive 3 dimensionally?
Depth Perception
33
How is Depth Perception measured?
By height, weight and distance
34
What are the 2 cues to perceive depth?
Monocular (one eye) and Binocular (2 eyes)
35
What does the cues to perceive depth mean?
Types of convergence
36
What does "frame of reference" mean?
context clues: tall, buff, strong man assumed to be basketball player but is really a librarian.
37
What is defined as the readiness to perceive in a particular way?
Perceptual Set, like answering the phone thinking 100% it is your cheating ex calling you back.