Sensation Flashcards

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1
Q

Sensation

A

physical response to stimulation

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2
Q

Stimulus

A

any outside factor that arouses a sense organ

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3
Q

Receptor Cell

A

neurons specialized for each sense

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4
Q

Detection

A

body noticing the stimulus

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5
Q

Discrimination

A

distinguishing differences

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6
Q

Noise

A

any background stimulation

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7
Q

Absolute Threshold

A

minimum stimulus needed to detect stimulus

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8
Q

Difference Threshold

A

how different until differentiable?

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9
Q

Weber’s Law

A

difference threshold = ratio

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10
Q

Signal Detection Theory

A

miss vs. false alarm vs. hit vs. correct rejection

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11
Q

Distal Stimulus

A

actual wavelength

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12
Q

Proximal Stimulus

A

signal the brain can use; transduced from distal stimulus

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13
Q

Sensory Adaptation

A

get used to stimulation

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14
Q

Habituation

A

brain gets used to it

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15
Q

Sensory Restriction vs. Deprivation

A

restrict stimulus vs. deprive stimulus (torture)

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16
Q

Attention

A

noticing a stimulus

17
Q

Dual-Processing

A

“multitasking” — selective attention.

- Not splitting attention, merely shifting attention back and forth

18
Q

Cocktail Party Effect

A

attention shifts to something distracting

19
Q

Dichotic Presentation

A

ex. watch/focus on 1 thing in a video, miss something completely random (like a bear walking right through)