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Intro to Audiology > Hearing Sensitivity > Flashcards

Hearing Sensitivity Flashcards

1
Q

the capacity of a sense organ to detect a stimulus

A

Sensitivity

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2
Q

2 kinds of sensitivity

A

Absolute sensitivity

Differential sensitivity

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3
Q

the capacity of the auditory system to detect FAINT sounds

A

Absolute sensitivity

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4
Q

the capacity of the auditory system to detect DIFFERENCES or CHANGES in Intensity, Frequency or some other dimension of sound

A

Differential sensitivity

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5
Q

most commonly refers to absolute sensitivity to faint sound.

A

Hearing sensitivity.Hearing sensitivity is expressed as the number of Decibels above (or below) the average normal-hearing person’s thresholds fro different puretones (0db HL)

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6
Q

most accurately to the differential sensitivity , the ability to detect differences in signals that differ in the Frequency domain

A

Hearing Acuity

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7
Q

the level at which a stimulus or change in stimulus is just sufficient to produce a sensation or effect

A

Threshold

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8
Q

the intensity at which a tone is barely audible

A

Hearing Threshold

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9
Q

represents hearing sensitivity as a function of signal frequency.

A

Minimum audibility curve

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10
Q

The Minimum Audibility Curve serves as the basis for pure-tone audiometry and the curve is converted into a graph known as

A

Audiogram

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11
Q

the graph is frequency in Hz.
It is divided into octave intervals
Ranging from 250 Hz to 8000 Hz

A

The Abscissa

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12
Q

is signal intensity in dB HL.

It is divided into 10 dB segments, usually ranging from -10 dB to 130 dB HL

A

The Ordinate

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13
Q

the capacity of a sense organ to detect a stimulus

A

Sensitivity

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14
Q

2 kinds of sensitivity

A

Absolute sensitivity

Differential sensitivity

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15
Q

the capacity of the auditory system to detect FAINT sounds

A

Absolute sensitivity

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16
Q

the capacity of the auditory system to detect DIFFERENCES or CHANGES in Intensity, Frequency or some other dimension of sound

A

Differential sensitivity

17
Q

most commonly refers to absolute sensitivity to faint sound.

A

Hearing sensitivity.Hearing sensitivity is expressed as the number of Decibels above (or below) the average normal-hearing person’s thresholds fro different puretones (0db HL)

18
Q

most accurately to the differential sensitivity , the ability to detect differences in signals that differ in the Frequency domain

A

Hearing Acuity

19
Q

the level at which a stimulus or change in stimulus is just sufficient to produce a sensation or effect

A

Threshold

20
Q

the intensity at which a tone is barely audible

A

Hearing Threshold

21
Q

represents hearing sensitivity as a function of signal frequency.

A

Minimum audibility curve

22
Q

The Minimum Audibility Curve serves as the basis for pure-tone audiometry and the curve is converted into a graph known as

A

Audiogram

23
Q

the graph is frequency in Hz.
It is divided into octave intervals
Ranging from 250 Hz to 8000 Hz

A

The Abscissa

24
Q

is signal intensity in dB HL.

It is divided into 10 dB segments, usually ranging from -10 dB to 130 dB HL

A

The Ordinate

25
Q

The lowest sound intensity that stimulates normal hearing is called

A

Zero Hearing Level (HL)

25
Q

The lowest sound intensity that stimulates normal hearing is called

A

Zero Hearing Level (HL)

26
Q

measure in microPascals

Measured amplitude at the level of the eardrum

A

dB SPL

26
Q

measure in microPascals

Measured amplitude at the level of the eardrum

A

dB SPL

27
Q

Audiometric Zero: the sound pressure level at which the threshold of audibility occurs in average normal listeners

A

dB HL

27
Q

Audiometric Zero: the sound pressure level at which the threshold of audibility occurs in average normal listeners

A

dB HL

28
Q

the intensity level in dB above a person’s threshold

A

dB SL

28
Q

the intensity level in dB above a person’s threshold

A

dB SL

29
Q

a device that allows for a comparison of any person’s threshold to that of an established norm

A

Audiometer

29
Q

a device that allows for a comparison of any person’s threshold to that of an established norm

A

Audiometer

30
Q

can interrupt or introduce a tone

A

Silent switch

30
Q

can interrupt or introduce a tone

A

Silent switch

Intro to Audiology (5 decks)

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