Module 6: Sensation and Perception Flashcards

1
Q

Transduction

A

the process by which specialized cells in our body translate the physical stimuli of our body

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2
Q

Past Negative

A

pessimistic, negative, aversive orientation TO past

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3
Q

Past Positive

A

warm, sentimental, nostalgic, positive construction OF past

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4
Q

Present Hedonistic

A

hedonistic orientation attitude toward time and life

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5
Q

Present Fatalistic

A

helpless hopeless attitude toward the future and life

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6
Q

Future

A

planning for future goals, characterizing a general future orientation

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7
Q

Future Transcendental

A

orientation to future beyond one’s own death

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8
Q

Sensation

A

physical process during which our sensory organs respond to external stimuli

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9
Q

Perception

A

brain’s psychological process to make sense of the stimuli

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10
Q

Absolute Threshold

A

minimal amount of stimulation in order to detect a stimulus

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11
Q

Signal Detection

A

the way we measure absolute thresholds, involving presenting stimuli of varying intensities to a research participant in order to determine the level at which he or she can reliably detect stimulation

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12
Q

Differential Threshold (Just Noticeable Difference, JND)

A

smallest difference needed in order to differentiate between 2 stimuli

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13
Q

Webers Law

A

bigger stimuli require larger stimuli to be noticed

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14
Q

Bottom-Up Processing

A

build up to perception from the individual piece

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15
Q

Top-Down Processing

A

stimulus we’ve experienced in our past will influence how we process new ones

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16
Q

Sensory Adaptation

A

when a stimulus is constant and unchanging

17
Q

Binocular Disparity

A

Difference in vision processed by L and R eye

18
Q

Binocluar Vision

A

our ability to perceive 3d and depth because of dif in images of image on left and right

19
Q

Rods

A

are primarily responsible for our ability to see in dim light conditions

20
Q

Cones

A

see color and fine detail when the light detail

21
Q

Primary Visual Cortex

A

where info about light orientation and movement being to come together

22
Q

Sound Waves

A

changes in air pressure, physical stimulus for audition

23
Q

Somatosensation

A

includes our ability to sense touch, temp, and pain

24
Q

Mechanoreceptors

A

special receptors in skin, allow for conversion of one kind of energy into a form the brain can understand

25
Multimodal Perception
info from one sense has the potential to influence how we perceive info from another
26
Superadditive Effect of Multisensory Integration
respond more strongly to multimodal stimuli
27
Principle of Inverse Effectiveness
less likely to benefit from additional cues from other modalities if the initial unimodal stimulus is strong enough