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Psyc 102 > Week 6 Thursday > Flashcards

Week 6 Thursday Flashcards

1
Q

Difference between light and sound

A

Notes

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2
Q

Topics for today

A

Physical props of S
Perceptual aspects of S
Ear
Brain pathways 4 auditory info

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3
Q

Similarities between light and sound

A

..

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4
Q

Differences between light and sound

A

..

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5
Q

Hair cells

A

..

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6
Q

Sound waves

A

Pressure changes in air

Alternating patterns high and low density

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7
Q

Physical stimulation

A

..

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8
Q

How loud speaker works

A

..

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9
Q

Types of sound waves

A

Pure tone is one

Others??

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10
Q

Pure tone

A

Created by sine wave

One high and low pt, one cycle

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11
Q

How does graph of pure tone look like ?

A

One cycle , one high and low pt.
X axis - time
Y axis- atmospheric pressure (up - increased pressure down- decreased pressure )

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12
Q

Complexity

A

Pure tone has low complexity because just one cycle in range of time
High freq-> high complexity

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13
Q

Molecules densely packed together then is that low point or peak?

A

Peak

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14
Q

SPACED apart - low point or peak?

A

Low point

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15
Q

Peak - high pressure or low pressure ?

A

High

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16
Q

Low point pressure high or low?

A

Low

17
Q

Relation between frequency, pitch, # cycles

A

All directly proportional TEO!

18
Q

Unit of frequency

A

Hertz (Hz)

19
Q

Properties of sound waves

A 
Frequency 
Amplitude 
Quantity 
Complexity 
(All in that diagram -- pic#1 in ntbk)
20
Q

Frequency def

A

How many cycles are there in a given time frame?

21
Q

Amplitude def

A

How big waves are in terms of pressure changes

22
Q

Amplitude

A

Difference between high and low peak

23
Q

Alternating .. regions of air

A

H and L pressure regions of air

24
Q

Axis for pure tone graph

A

X: time
Y: air pressure , atmospheric pressure
(Created by sine wave )

25
Q

How many frequencies can sine wave have?

A

Only 1

26
Q

Quantity

A

How long you hear S for?

27
Q

How do higher complexity tones looks like?

A 
More bumps (up and down I think ) 
Not smooth sine curve function
28
Q

Properties of sound waves DIAGRAM

A

In new notes :)

Psyc 102 (1 decks)

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