Exam 3 Questions
A complex sound wave is missing its fundamental harmonic, but is still composed of the following harmonics: 1000hz, 1500hz, 2000hz, 2500hz. What is most likely to be the fundamental frequency of the sound wave? 500 hz 1000 hz 300 hz 200 hz
500 hz
If a given sound has a pressure level of 200,000 what would the volume be in dB SPL 20 dB SPL 40 dB SPL 60 dB SPL 80 db SPL
80 db SPL
Who is mostly likely to have the WORST hearing at high frequencies? A 70 year old man A 70 year old woman A 40 year old man A 20 year old woman
A 70 year old man
Which is a NOT a cause of conductive hearing loss? Ruptured ear drum Too much ear wax Aging Stuck a green bean in your ear More than one of those
Aging
Pitch is to color as ______ is to _______ Amplitude; volume Volume; Brightness Timbre; Saturation Both B & C
Both B & C
When a speaker moves out it pushes the surrounding air molecules together, a process called _______ the results in __________ pressure. Afterwards, when the speaker moves back in the air molecules spread out, a process called ______________ that results in ______________ pressure. Rarefaction; increased; condensation; decreased Condensation; decreased; rarefaction; increased Rarefaction; decreased; condensation; increased Condensation; increased; rarefaction; decreased
Condensation; increased; rarefaction; decreased
For which frequencies is IID/ILD most useful? Low Frequencies High Frequencies Frequencies between ~1000-5000Hz Equally good at all frequencies
High Frequencies
Which is true of the audibility curve? It shows we are most sensitive to sounds in the 1000-5000 Hz range It dips down at the low and high frequency regions Is the same as the Threshold of Feeling curve We are able to hear anything occuring below the curve
It shows we are most sensitive to sounds in the 1000-5000 Hz range
Place code is to all frequencies as timing code is to_______. Low frequencies All frequencies High frequencies Three specific frequencies
Low frequencies
Chad has damage to the ossicle closest to his eardrum. Which ossicle does he have damage to and what type of hearing loss would most likely result? Malleus, Conductive Hearing Loss Malleus, Sensory-Motor Hearing Loss Stapes, Conductive Hearing Loss Stapes, Sensory-Motor Hearing Loss
Malleus, Conductive Hearing Loss
Which of the mechanoreceptors are slowly adapting receptors? Merkel only Pacianian and Meissner Merkel and Ruffini Pacianian and Merkel
Merkel and Ruffini
The _____ are located near the border of the epidermis and surface of the skin, and are associated with sensing fine details Pacinian corpuscle Meissner corpuscles Ruffini cylinders Merkel receptors
Merkel receptors
Which would be a free nerve ending? A receptor sensing pain A receptor sensing pressure A receptor sensing heat A receptor sensing stretch of the skin More than one of the above
More than one of the above (pain and heat and maybe pressure if it's a pressure nociceptor)
What occurs to a tone as the frequency increases? Pitch gets higher. Pitch gets lower. Loudness increases. Loudness decreases.
Pitch gets higher.
Which area of the body would have the highest two-point threshold? Finger Elbow Shoulder Wrist
Shoulder
Which is the best description of threshold as it relates to perception? The smallest amount of given stimulus that can be measured The largest amount of a stimulus that can be perceived The largest amount of a given stimulus that can be measured The smallest amount of a given stimulus that can be perceived
The smallest amount of a given stimulus that can be perceived
Which sound is most likely to be reinforced by the ear canal? Screeching brakes A low tone of of a bass guitar Your friend telling a joke
Your friend telling a joke
With which sense do we use top-down processing to build our perceptions? vision only taste and smell only vision and hearing only all of them
all of them
The _____ is composed of the locations where the ILD and ITD are the same common region cone of confusion inverse acoustic range Jeffries tube
cone of confusion
Bobby is asked to use haptic perception to identify a soccer ball. She will most likely use the exploratory procedure(s) of _____ to identify the soccer ball's exact shape. lateral motion and pressure pressure only enclosure and contour following passive motion and lateral motion
enclosure and contour following
The edge between a dark shadow and an illuminated checkerboard is a(n) _____ reflectance edge illuminance edge ratio edge Ishihara border
illuminance edge
Jan is a right-handed violin player -she bows with her right hand and fingers the strings with her left. The cortical representation for the fingers on her left hand is _____. equal to the area for the fingers on her right hand equal to the area for the fingers on the left hand of a non-musician larger than the area for the fingers on the left hand of a non-musician smaller than the area for the fingers on the left hand of a non-musician
larger than the area for the fingers on the left hand of a non-musician
Low Fundamental frequencies are associated with ________ and high fundamental frequencies are associated with _________ low pitches; high pitches high pitches; low pitches high loudness; low loudness low loudness; high loudness
low pitches; high pitches
George suffered an injury to his ear. His pinna suffered a tremendous amount of injury and was removed from his head. What would most likely be the resulting impairment on George's hearing? normal hearing; impairment locating a sound on the elevation plane complete hearing loss; impairment locating a sound on the azimuth and elevation planes mild hearing loss; impairment locating sounds on the azimuth plane no impairment in hearing or any other hearing related cues
normal hearing; impairment locating a sound on the elevation plane
The receptive fields of cortical S1 neurons are _____ the same size for the fingers as for the hand larger for the fingers than for the hand smaller for the fingers than the forearm
smaller for the fingers than the forearm
The duplex theory of texture perception refers to the importance of _____ temporal cues and spatial cues parietal cues and occipital cues spatial cues and occipital cues temporal cues and parietal cues
temporal cues (pacinian) and spatial cues (merkel)
If there is an interaural time difference, we interpret the sound as coming from _____ directly in front of us directly behind us the side directly above us
the side
A complex tone composed of a 440 Hz tone, an 880 Hz tone, and a 1320 HZ tone is presented. Which part of the basilar membrane will respond? One spot on the apex one spot near the base one intermediate area the three different areas characteristic of each individual component
the three different areas characteristic of each individual component
The cochlear implant makes use of _____ phase locking mechanisms in the sound processor the tonotopic map of frequencies on the cochlea artificial ossicles resonance harmonics on the tectorial membrane
the tonotopic map of frequencies on the cochlea
What causes the pain message to travel through A delta fibers faster? they are thinner and unmyelinated they are thicker and unmyelinated they are thinner and myelinated they are thicker and myelinated
they are thicker and myelinated