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Psychoacoustics MCQ

Neurotransmitter are endogenous chemicals that transmit signals from a neuron to a target cell across a synapse. True or false?

True

False

Answer

Correct Answer: True

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Neurotransmitter are chemicals that send signals from a neuron _______.

Around a synapse

Across a synapse

From a target cell

To a target cell

Answer

Correct Answer: Across a synapse

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How do groups of neurons encode the timing of a sound waveform?

By the loudness of the sound

By the length of the sound

By the pitch of the sound

By neural firing patterns in time

Answer

Correct Answer: By neural firing patterns in time

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How do neural firing patterns determine the perception of pitch?

By encoding the timing of a sound waveform

By the combination of both mechanisms

By the rate-place patterns

By the number of neurons in a group

Answer

Correct Answer: By encoding the timing of a sound waveform

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What is the method of adjustment also called?

The method of tracking

The method of constant stimuli

The method of limits

The method of average error

Answer

Correct Answer: The method of average error

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Where is the medial geniculate body located?

Hippocampus

Temporal lobe of the cerebral cortex

Thalamus

Amygdala

Answer

Correct Answer: Temporal lobe of the cerebral cortex

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What is the McGurk Effect?

A type of optical illusion

A persuasive technique in which people are more likely to believe something if it is repeated to them multiple times

A technique used by advertisers to sell products

A perceptual phenomenon which demonstrates an interaction between hearing and vision in speech perception

Answer

Correct Answer: A perceptual phenomenon which demonstrates an interaction between hearing and vision in speech perception

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The McGurk effect is an interaction between which two senses?

Taste and smell

Hearing and smell

Hearing and vision

Smell and touch

Answer

Correct Answer: Hearing and vision

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What does Malleus transmit?

Sound vibrations from the incus to the eardrum.

Sound vibrations from the stapes to the eardrum.

Sound vibrations from the eardrum to the incus.

Sound vibrations from the eardrum to the stapes.

Answer

Correct Answer: Sound vibrations from the eardrum to the incus.

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Which of the following best describes magnitude estimation?

A method of evaluating stimuli indiscriminately.

A method of evaluating stimuli below threshold.

A method of evaluating stimuli of all intensities.

A psychophysical method of evaluating stimuli above threshold.

Answer

Correct Answer: A psychophysical method of evaluating stimuli above threshold.

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The psychophysical method of evaluating stimuli above threshold is known as:

Sensory adaptation

Magnitude estimation

Absolute threshold

Difference threshold

Answer

Correct Answer: Magnitude estimation

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What is a linear correlation?

A correlation in which the regression line is not a straight line

A correlation in which the regression line is a sinusoidal line

A correlation in which the regression line is a curvilinear line

A correlation in which the regression line is a straight line

Answer

Correct Answer: A correlation in which the regression line is a straight line

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Which of the following is NOT a part of the limbic system?

Septum

Hippocampus

Amygdala

Cerebellum

Answer

Correct Answer: Cerebellum

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What is the Likert Scale used for?

To measure vibration

To measure sound quality

To measure levels of agreement with a statement in a questionnaire

To correlate multiple analyses

Answer

Correct Answer: To measure levels of agreement with a statement in a questionnaire

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What is the Likert Scale?

The highest mountain in the world

A way to calculate how much money someone has made in a year

A type of animal

A scale used in questionnaires to measure respondents' level of agreement with a statement

Answer

Correct Answer: A scale used in questionnaires to measure respondents' level of agreement with a statement

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How many years of research did Liberman's ideas set the agenda for?

Forty-two

Twenty-seven

Sixty

Fifty

Answer

Correct Answer: Fifty

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Alvin Liberman's ideas set the agenda for fifty years of research in which area of psychology?

The psychology of speech perception

The psychology of speech synthesis

The psychology of critical issues in cognitive science

The relationships between speech and acoustics

Answer

Correct Answer: The psychology of speech perception

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What is the name of the author of the two best-selling books?

J.K. Rowling

Levitin, Daniel

John Grisham

James Patterson

Answer

Correct Answer: Levitin, Daniel

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What is the name of the book Levitin is most widely known for?

This Is Your Brain On Music: The Science of a Human Obsession

The World in Six Songs: How the Musical Brain Created Human Nature

The Neuroscience of Music

The Psychology of Music

Answer

Correct Answer: This Is Your Brain On Music: The Science of a Human Obsession

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What is Patricia Kuhl's profession?

Professor of Speech and Hearing Sciences

Neurologist

Psychiatrist

Psychologist

Answer

Correct Answer: Professor of Speech and Hearing Sciences

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What was Karl Kryter's profession?

Air Traffic Controller

Historian

Architect

Psychologist

Answer

Correct Answer: Psychologist

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What is the smallest detectable difference between a starting and secondary level of a particular sensory stimulus called?

Sensory Limit

Difference

Threshold Difference

Just Noticeable Difference

Answer

Correct Answer: Just Noticeable Difference

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What is the Just Noticeable Difference?

The difference between two objects that is just noticeable to the human nose.

The largest detectable difference between a starting and secondary level of a particular sensory stimulus.

The difference between two objects that is just noticeable to the human eye.

The smallest detectable difference between a starting and secondary level of a particular sensory stimulus.

Answer

Correct Answer: The smallest detectable difference between a starting and secondary level of a particular sensory stimulus.

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Which among the following is NOT a function of the inner hair cells?

They have fewer sensory hairs.

They are in synaptic contact with efferent fibers of the auditory nerve.

They are sensory cells in the organ of Corti.

They are fewer in number.

Answer

Correct Answer: They are in synaptic contact with efferent fibers of the auditory nerve.

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What is the Incus?

The largest bone in the human body

A type of white blood cell

The anvil-shaped small bone or ossicle in the middle ear.

The smallest bone in the human body

Answer

Correct Answer: The anvil-shaped small bone or ossicle in the middle ear.

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What is Imperfect Consonance?

A type of consonance

Minor and major thirds, and minor and major sixths in music.

Aiding the composer in avoiding monotony

Chords that are neither major nor minor

Answer

Correct Answer: Minor and major thirds, and minor and major sixths in music.

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What is imperfect consonance in music?

Octaves and unisons

Major and minor seconds

Minor and major thirds, and minor and major sixths

Major and minor sevenths

Answer

Correct Answer: Minor and major thirds, and minor and major sixths

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What is an Iamb?

A group of syllables

A type of poetic foot

A metrical foot (a group of 2 or 3 syllables forming the basic unit of poetic rhythm)

A poetic device

Answer

Correct Answer: A metrical foot (a group of 2 or 3 syllables forming the basic unit of poetic rhythm)

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Helmholtz is known for his contributions to which fields?

Astrology, geology, and oceanography

Archeology, geography, and anthropology

Biology, chemistry, and physics

Physiology, psychology, and mathematics

Answer

Correct Answer: Physiology, psychology, and mathematics

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What is Hermann Helmholtz known for?

Inventing the telephone

Contributions to several widely varied areas of modern science.

Turning lead into gold

Being the first physicist

Answer

Correct Answer: Contributions to several widely varied areas of modern science.

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What is the main component of the cochlear apex?

Cochlear labyrinth

Helicotrema

Scala tympani

Scala vestibuli

Answer

Correct Answer: Helicotrema

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What is the head related transfer function?

How an ear receives a sound from a point in space

A pair of HRTFs for two ears

From a particular point in space

To synthesize a binaural sound

Answer

Correct Answer: How an ear receives a sound from a point in space

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What is the definition of habituation?

The repeated presentation of an eliciting stimulus that may result in the increase of the elicited behavior.

The initial increase followed by a decline of the elicited behavior.

The repeated presentation of an eliciting stimulus that may result in no change of the elicited behavior.

The repeated presentation of an eliciting stimulus that may result in the decline of the elicited behavior.

Answer

Correct Answer: The repeated presentation of an eliciting stimulus that may result in the decline of the elicited behavior.

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Which of the following does NOT describe the process of habituation?

An increase in the elicited behavior

A decline in the elicited behavior

The repeated presentation of an eliciting stimulus

A sensitization process followed by a habituation process

Answer

Correct Answer: A decline in the elicited behavior

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What is habituation?

A decrease in an elicited behavior resulting from the repeated presentation of an eliciting stimulus

The repeated presentation of an eliciting stimulus

A increase in an elicited behavior resulting from the repeated presentation of an eliciting stimulus

A simple form of learning

Answer

Correct Answer: A decrease in an elicited behavior resulting from the repeated presentation of an eliciting stimulus

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What is the Haas effect?

The perception of sound signals from different directions

The perception of only the direction of the sound signals

The perception of only the direction of the first arriving sound signal

The perception of only the sound signals

Answer

Correct Answer: The perception of only the direction of the first arriving sound signal

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The ____ effect describes the phenomenon where a sound coming from one direction is perceived to originate from another direction.

Mach

Haas

Bell

Doppler

Answer

Correct Answer: Haas

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In which year did Donald Griffin identify the navigational method of bats as animal echolocation?

1954

1944

1934

1964

Answer

Correct Answer: 1944

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What did Donald Griffin identify as the navigational method of bats in 1944?

Animal hibernation

Animal echolocation

Animal migration

Animal attraction

Answer

Correct Answer: Animal echolocation

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What are the Gestalt rules?

Rule described by Gestalt psychologists which govern perceptual organization.

The way physical cues are used to achieve perceptual grouping of different sensory inputs.

Similarity, good continuation, common fate, disjoint location, closure, and figure-ground phenomenon and attention.

That sensory inputs can be governed by auditory cues.

Answer

Correct Answer: Rule described by Gestalt psychologists which govern perceptual organization.

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Which of the following is not a gestalt rule?

Similarity

Good continuation

Closure

Attention

Answer

Correct Answer: Attention

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What is the characteristic shape of a Gaussian function?

Triangular-shaped

Symmetric "bell curve"

Diamond-shaped

Square-shaped

Answer

Correct Answer: Symmetric "bell curve"

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What is the graph of a Gaussian function?

A spiral

A symmetric "bell curve" shape that quickly falls off towards plus/minus infinity.

A straight line

A sideways "S" shape

Answer

Correct Answer: A symmetric "bell curve" shape that quickly falls off towards plus/minus infinity.

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The Ganong effect is an effect where an ambiguous phoneme will be perceived as...?

The phoneme will always be perceived as the same regardless of the lexical context

Inconsistent with the surrounding lexical context

The lexical context has no effect on the perception of the phoneme

Consistent with the surrounding lexical context

Answer

Correct Answer: Consistent with the surrounding lexical context

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The Ganong effect is named after which researcher?

David Ganon

Stephanie Ganong

William Ganong

Peter Ganong

Answer

Correct Answer: Peter Ganong

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What is a fixed action pattern?

A behavioral sequence that is indivisible and runs to completion.

A behavior that is hard-wired and instinctive.

A behavioral sequence that can be divided into different parts.

A behavior that is not instinctive.

Answer

Correct Answer: A behavioral sequence that is indivisible and runs to completion.

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What is an instinctive behavioral sequence that is indivisible and runs to completion called?

Reflex action

Fixed action pattern

Voluntary action

Stimulus response sequence

Answer

Correct Answer: Fixed action pattern

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Which of the following is NOT a field-ground phenomenon?

The ability to see in three dimensions

Theitions

The feeling of presence in a given environment

The division of the perceptual field into background and objects that appear to stand out against it.

Answer

Correct Answer: The division of the perceptual field into background and objects that appear to stand out against it.

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Who was the German experimental psychologist that inspired many 20th century scientists and philosophers?

Pavlov, Ivan

Fechner, Gustav

Wundt, Wilhelm

Jesenin, Sergey

Answer

Correct Answer: Fechner, Gustav

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What was Fechner's demonstration?

That psychology could not become a quantified science.

That psychology could become a quantified science

That the mind was not susceptible to measurement and mathematical treatment

That the mind was susceptible to measurement and mathematical treatment

Answer

Correct Answer: That the mind was susceptible to measurement and mathematical treatment

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Fechner-Weber law states that subjective sensation is proportional to what of the stimulus intensity?

The just-noticeable difference

The logarithm

The magnitude

The intensity

Answer

Correct Answer: The logarithm

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Which of the following is NOT correct about Fechner-Weber law?

The just-noticeable difference between two stimuli is proportional to the magnitude of the stimuli

Subjective sensation is proportional to the logarithm of the stimulus intensity.

The just-noticeable difference between two stimuli is inversely proportional to the magnitude of the stimuli.

Subjective sensation is inversely proportional to the logarithm of the stimulus intensity

Answer

Correct Answer: Subjective sensation is proportional to the logarithm of the stimulus intensity.

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Which of the following is NOT a characteristic of factor analysis?

Observed

Correlated

Unobserved

Variability

Answer

Correct Answer: Unobserved

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What are endorphins?

Endogenous opioid peptides that function as neurotransmitters and hormones

Endogenous opioid peptides that function as hormones

Endogenous opioid peptides that function as enzymes

Endogenous opioid peptides that function as neurotransmitters

Answer

Correct Answer: Endogenous opioid peptides that function as neurotransmitters

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What is the function of Endorphins?

Endorphins are a peptide that helps to regulate love and orgasm.

Endorphins are neurotransmitters that function to produce analgesia and a feeling of well-being.

Endorphins are a type of spicy food.

Endorphins are produced by the pituitary gland to increase exercise performance.

Answer

Correct Answer: Endorphins are neurotransmitters that function to produce analgesia and a feeling of well-being.

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What is Electroencephalography?

The study of the effects of electricity on the brain

The study of the electrical activity of the heart

The study of the electrical activity of the muscles

The recording of electrical activity along the scalp

Answer

Correct Answer: The recording of electrical activity along the scalp

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Motor or effector neurons carry nerve impulses _______.

To the central nervous system

Away from the peripheral nervous system

Within the central nervous system

Away from the central nervous system

Answer

Correct Answer: Away from the central nervous system

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What are efferent nerves also known as?

Afferent nerves

Interneurons

Motor or effector neurons

Sensory neurons

Answer

Correct Answer: Motor or effector neurons

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What is ecological psychoacoustics?

The study of how humans process sound in artificial environments

The study of how humans process sound in naturalistic environments

The study of how humans produce sound in naturalistic environments

The study of how animals process sound in naturalistic environments

Answer

Correct Answer: The study of how humans process sound in naturalistic environments

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What is the title of the book by Neuhoff?

The ecology of psychoacoustics

Ecological psychoacoustics

Psychoacoustic ecology

Ecological literature

Answer

Correct Answer: Ecological psychoacoustics

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What is echolocation?

The ability of animals to see in the dark

The ability of animals to communicate with each other

The ability of animals to find their way around in the dark

The ability of humans to detect objects in their environment by sensing echoes from those objects.

Answer

Correct Answer: The ability of humans to detect objects in their environment by sensing echoes from those objects.

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What does echolocation allow humans to do?

See in the dark

Communicate with animals

Fly

Detect objects in their environment by sensing echoes from those objects

Answer

Correct Answer: Detect objects in their environment by sensing echoes from those objects

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Diana Deutsch did a lot of work in which field?

World of pitch

World of frequency

World of sound

World of music

Answer

Correct Answer: World of pitch

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Who came up with a model that viewed pitch as an ascending spiral?

Max Planck

Diana Deutsch

Ludwig van Beethoven

Wolfgang Amadeus Mozart

Answer

Correct Answer: Diana Deutsch

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What does OAE stand for?

Optic Auditory Evoked

Otoacoustic Emissions

Olfactory Auditory Evoked

Objective Auditory Evoked

Answer

Correct Answer: Otoacoustic Emissions

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What is the OAE?

Optimum audition environment

Outer ear infection

Otoacoustic emission

Otitis externa

Answer

Correct Answer: Otoacoustic emission

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What is delayed auditory feedback?

The original acoustic speech signal is artificially modified and then fed back via headphones

It is a technique to help improve memory

It is a technique to help reduce stuttering

It is a technique to help improve public speaking

Answer

Correct Answer: The original acoustic speech signal is artificially modified and then fed back via headphones

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Which of the following is true of Davis, Hallowell?

He was the first person to write about the basilar membrane.

He damaged his hearing during hearing tests in WWII.

He was born in 1937.

He was a ballerina.

Answer

Correct Answer: He damaged his hearing during hearing tests in WWII.

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Who wrote "Hearing: It's Psychology and Physiology"?

Sigmund Freud

Davis, Hallowell

John B. Watson

William James

Answer

Correct Answer: Davis, Hallowell

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What does C-weighting approximate?

Decibels

A-weighting

Sones

100 phon contour

Answer

Correct Answer: 100 phon contour

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What functions are linked to Broca's Area?

Emotion

Motor control

Speech production

Speech recognition

Answer

Correct Answer: Speech production

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What is Broca's Area?

A region of the brain with functions linked to vision

A region of the brain with functions linked to memory

A region of the brain with functions linked to hearing

A region of the brain with functions linked to speech production

Answer

Correct Answer: A region of the brain with functions linked to speech production

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What does the brain stem do?

Houses the thalamus and hypothalamus

Contains the cerebellum

Is the part of the brain responsible for language and reasoning

Provides the main motor and sensory innervation to the face and neck

Answer

Correct Answer: Provides the main motor and sensory innervation to the face and neck

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Which statement best describes blind sight?

People who are perceptually blind in a certain area of their visual field can see perfectly in other areas.

People who are perceptually blind in a certain area of their visual field can see perfectly in that area.

People who are perceptually blind in a certain area of their visual field demonstrate some response to visual stimuli.

Answer

Correct Answer: People who are perceptually blind in a certain area of their visual field demonstrate some response to visual stimuli.

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What is Binaural sluggishness?

A type of music

A painting technique

It is a dance move

The binarual system is sloq in adapting to changes in the interaural parameters to which it is sensitive.

Answer

Correct Answer: The binarual system is sloq in adapting to changes in the interaural parameters to which it is sensitive.

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Binaural masking differences is the difference in threshold of the signal for the case where:

The signal and masker have the same level relationship but different phase relationships at the two ears.

The signal and masker have different phase and level relationships at the two ears.

The signal and masker have the same phase relationship but different level relationships at the two ears.

The signal and masker have the same phase and level relationships at the two ears.

Answer

Correct Answer: The signal and masker have the same phase and level relationships at the two ears.

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What are binaural beats?

Apparent sounds

Brain

Physical stimuli

Auditory processing artifacts

Answer

Correct Answer: Auditory processing artifacts

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What did Berlyne develop a theory of?

Thermodynamics

Quantum Mechanics

Aesthetics

Hydrodynamics

Answer

Correct Answer: Aesthetics

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What is the name of the psychologist who developed a theory of aesthetics based on complexity?

Berlyne, Daniel

Carl Jung

Jean Paul Sartre

Sigmund Freud

Answer

Correct Answer: Berlyne, Daniel

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What was Bekesy awarded the Nobel Prize in Physiology or Medicine for?

His research on the function of the cochlea in the mammalian hearing organ

His research on the function of the brain in the mammalian nervous system

His research on the function of the heart in the mammalian circulatory system

His research on the function of the lungs in the mammalian respiratory system

Answer

Correct Answer: His research on the function of the cochlea in the mammalian hearing organ

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For which discovery was Bekesy awarded the Nobel Prize in Physiology or Medicine?

Function of the cochlea in the mammalian hearing organ

Polio vaccine

Research on the human brain

Discovery of penicillin

Answer

Correct Answer: Function of the cochlea in the mammalian hearing organ

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What is the basilar membrane?

A membrane inside the cochlea that vibrates in response to sound

A membrane outside the cochlea that vibrates in response to sound

A membrane inside the cochlea that does not vibrate in response to sound

A membrane outside the cochlea that doesn't vibrate in response to sound

Answer

Correct Answer: A membrane inside the cochlea that vibrates in response to sound

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What is the main function of the Basal Ganglia?

Coordinating movement

Processing visual information

Storing long-term memories

Regulating heart rate

Answer

Correct Answer: Coordinating movement

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What does temporal masking of quiet sounds refer to?

Forward Masking

Temporal Masking

Backward Masking

Masking

Answer

Correct Answer: Backward Masking

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What is backward masking?

Spatial masking of sounds that occur in the same location

Temporal masking of quiet sounds that occur moments before a louder sound

Temporal masking of loud sounds that occur moments before a quieter sound

Spatial masking of sounds that occur in different locations

Answer

Correct Answer: Temporal masking of quiet sounds that occur moments before a louder sound

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What does B-weighting approximate?

The 40 phon contour

The 50 phon contour

The 120 phon contour

The 70 phon contour

Answer

Correct Answer: The 70 phon contour

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What is the cocktail party effect?

The cocktail party effect is an example of auditory attention.

The cocktail party effect is an example of auditory isolating.

The cocktail party effect is an example of auditory streaming.

The cocktail party effect is an example of auditory discrimination.

Answer

Correct Answer: The cocktail party effect is an example of auditory streaming.

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What is Auditory Stream Segregation?

The grouping of dissimilar sounds together.

The perception of sound as a whole

The perceptual grouping of sounds to form coherent representations of objects in the acoustic scene.

The grouping of similar sounds together

Answer

Correct Answer: The perceptual grouping of sounds to form coherent representations of objects in the acoustic scene.

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What is the process by which the human auditory system organizes sound into perceptually meaningful elements?

Aural Scene Analysis

Visual Scene Analysis

Auditory Scene Analysis

Tactile Scene Analysis

Answer

Correct Answer: Auditory Scene Analysis

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What is the definition of auditory looming?

The study of hearing

The study of sound

The study of the ear

The detection of appaoching objects via sound.

Answer

Correct Answer: The detection of appaoching objects via sound.

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What is auditory looming?

The detection of approaching objects via sound.

The study of how sound affects emotions

The practice of learning through listening

The exposure of sound waves to a listener

Answer

Correct Answer: The detection of approaching objects via sound.

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What is auditory fatigue?

A temporary increase in hearing after exposure to sound.

The inability to hear sound.

A permanent loss of hearing after exposure to sound.

A temporary loss of hearing after exposure to sound.

Answer

Correct Answer: A temporary loss of hearing after exposure to sound.

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What causes auditory fatigue?

Exposure to sound

Exposure to light

Exposure to air

Exposure to water

Answer

Correct Answer: Exposure to sound

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What is the auditory cortex responsible for?

Creating auditory information

Storing auditory information

Interpreting auditory information

Processing auditory information

Answer

Correct Answer: Processing auditory information

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What is an audiogram?

A graph showing absolute threshold for complex tones as a function of frequency

A graph showing absolute threshold for pure tones as a function of frequency

A graph showing the loudness of pure tones as a function of frequency

A graph showing relative threshold for pure tones as a function of frequency

Answer

Correct Answer: A graph showing absolute threshold for pure tones as a function of frequency

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Which of the following is true about an audiogram?

It is a graph showing relative threshold for pure tones as a function of frequency.

It is a graph showing hearing loss in decibels as a function of frequency.

It is a graph showing absolute threshold for pure tones as a function of frequency.

It is a graph showing absolute threshold for complex tones as a function of frequency.

Answer

Correct Answer: It is a graph showing absolute threshold for pure tones as a function of frequency.

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What does Articulation Index measure?

The amount of speech that is audible to a patient with a specific hearing loss.

The range of sound a patient can hear.

The degree of hearing loss for a patient.

The clarity of speech a patient can understand.

Answer

Correct Answer: The amount of speech that is audible to a patient with a specific hearing loss.

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What does an antagonist do when binding to a receptor?

Provoke a biological response itself

Cause side effects

Blocks or dampens agonist-mediated responses

Do nothing

Answer

Correct Answer: Blocks or dampens agonist-mediated responses

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What is the name of the model?

Bose–Einstein model

AHAAH Model

Human ear model

Calorie model

Answer

Correct Answer: AHAAH Model

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What is an agonist?

A cell that responds to a chemical stimulus.

A chemical that inhibits the binding of another chemical to a receptor.

A chemical that binds to a receptor of a cell and triggers a response by that cell.

A receptor that binds to a chemical agonist.

Answer

Correct Answer: A chemical that binds to a receptor of a cell and triggers a response by that cell.

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Which of the following is not true about afferent nerves?

Carry nerve impulses from the central nervous system to the brain.

Are also called motor nerves.

Carry nerve impulses from receptors or sense organs towards the central nervous system.

Carry nerve impulses from the central nervous system to the effectors.

Answer

Correct Answer: Carry nerve impulses from receptors or sense organs towards the central nervous system.

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When using the adaptive procedure to test someone's hearing, what is the threshold that is being passed?

10 dB

15 dB

5 dB

The person's hearing threshold

Answer

Correct Answer: The person's hearing threshold

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What is the Adaptive Procedure?

A method of testing that was created in 1711.

A method of ballet that was created in 1681.

A method of testing similar to tracking that involves incrimental steps until some threshold is passed.

A method of testing that involves incrimental steps until some threshold is not passed.

Answer

Correct Answer: A method of testing similar to tracking that involves incrimental steps until some threshold is passed.

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What is adaptation?

The decline in the frequency of firing of a neuron, particularly of a receptor, under conditions of varying stimulation.

The increase in the frequency of firing of a neuron, particularly of a receptor, under conditions of constant stimulation.

The decline in the frequency of firing of a neuron, particularly of a receptor, under conditions of constant stimulation.

The increase in the frequency of firing of a neuron, particularly of a receptor, under conditions of varying stimulation.

Answer

Correct Answer: The decline in the frequency of firing of a neuron, particularly of a receptor, under conditions of constant stimulation.

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What is the absolute threshold?

The minimum detectable level of a sound in the presence of other external sounds.

The minimum detectable level of a sound in the absence to an other external sounds.

There is no such thing as an absolute threshold.

The maximum detectable level of a sound in the presence of other external sounds.

Answer

Correct Answer: The minimum detectable level of a sound in the absence to an other external sounds.

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Which of the following is NOT true of the absolute threshold?

The manner of presentation of the sound does not matter.

The minimum detectable level of a sound in the absence of other external sounds.

The minimum detectable level of a sound in the presence of other external sounds.

The method of determining detectability does not matter.

Answer

Correct Answer: The minimum detectable level of a sound in the absence of other external sounds.

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What is the ability to identify or re-create a given musical note without the benefit of an external reference called?

Concentration

Brightness

Absolute pitch

Ambidexterity

Answer

Correct Answer: Absolute pitch

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What does A-weighting approximate?

40 phon contour

The average noise level

The best way to reduce noise annoyance

45 decibels

Answer

Correct Answer: 40 phon contour

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More Acoustical Engineering Subjects

Architectural Acoustics

Noise & Vibration Control

Sound Insulation

Environmental Acoustics

Measurement of Noise

Ear Anatomy

Basic Audiology

Microphones

Acoustic modelling software

Acoustics Design Practicum

Acoustical Modeling

Noise Control

Audio Visual System Design

Acoustical and Audio Measurements

Electroacoustics

Musical Acoustics

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Acoustical Engineering Skill Assessment

Acoustical Engineering PDF

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