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Psychology 104 > Lecture 15 > Flashcards

Lecture 15 Flashcards

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1
Q

What is an example of anolomous perception?

A

Synaesthesia

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2
Q

What is an example of sensory deficit?

A

Deafness

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3
Q

What is an example of intercpecies differences?

A

Electroreception

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4
Q

How do people with Colour-Graphme Synaesthesia perceive things?

A

They perceive numbers as being coloured iin specific ways

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5
Q

What is the cause of Synaesthesia?

A

Abnormal cross-modal association that are involuntary triggered by different stimuli

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6
Q

What is Sensation?

A

When sense organs translate representation of stimuli

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7
Q

What is Transduction?

A

Characteristics of a stimulus are converted into nerve impulses

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8
Q

What are Feature Detectors?

A

Neurons which respond to specific features (ex. vertical lines)

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9
Q

What is Perception?

A

Organizing and giving meaning to input, often by drawing on memory and prior experience

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10
Q

What does interpretation depend on?

A

Context

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11
Q

What is Psychophysics?

A

The study of the relationship between the physical characteristics of stimuli and sensory experience

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12
Q

What are the two questions about sensitivity?

A

What are the absolute limits of sensitivity? (how bright before we see it?)
What is the smallest difference we can detect? (how much does it have to get brighter before we notice it has gotten brighter?)

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13
Q

What do the Limits of sensitivity relate to?

A

Absolute threshold

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14
Q

What does the smallest difference we can detect relate to?

A

Difference threshold

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15
Q

What is absolute threshold?

A

Intensity at which stimulus can be detected 50% of the time

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16
Q

What is the relationship between threshold and sensitivity?

A

The lower the threshold the higher the sensitivity

17
Q

What does Signal Detection theory address?

A

The question of what factors influence sensory judgements

18
Q

What does Decision criteria refer to?

A

The standard of how certain we must be before deciding whether or not we believe a stimulus is present

19
Q

What is the Standard SDT experiment?

A

A series of trials asking if stimulus is present, varying presence/intensity

20
Q

What are the 4 possible outcomes of the SDT experiment?

A

Hit, miss, false alarm correct rejection

Psychology 104 (33 decks)

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