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Acoustics Chapter 2

Shelters the eardrum by maintaining constant temperature and humidity and prevents the accumulation of dirt and foreign matter
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Not extremely important in humans, but aids in location and intensity judgments.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Delicate bones which transmit vibrations without distortion and increase mechanical efficiency by leverage and area-of-force advantage.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Vibrations of this structure cause a sliding, shearing force on the hair cells attached to the tectorial membrane.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Location of the first systematic connection of the auditory system with the central nervous system.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Serves to equalize air pressure on each side of the eardrum.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Responds to pressure variations of air and converts these into mechanical vibrations.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Actions of these minute structures transduce mechanical energy into electro-chemical impulses.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
The entrance to the cochlea and semi-circular canals.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Regulates body orientation in space and the sense of balance.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Connects the auditory sensory receptors with the central nervous system
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Transmits vibrations to the oval window of the vestibule.
Pinna
External Auditory Meatus
Vestibule
Eustachian Tube
Semi-Circular Canals
Tympanic Membrane
Basilar Membrane
Stapes
Hair Cells
Eighth Cranial Nerve
Ossicles
Eighth Cranial Nerve
Acoustical energy is transformed into mechanical energy in the
Cochlear Nucleus
Outer Ear
Middle Ear
Auricle
In order to reach the sensory receptors for hearing, sound must travel medially through the
Cochlea
External Otitis
Vestabular Apparatus
Eustachian Tube
Cerumen
Contains the sensory receptors of hearing
Saccule
Dendrites
Ranvier
Organ of Corti
Semi-Circular Canals
The action which transforms mechanical energy into neural impulses stimulates the fibers of the
Cerebral Cortex
Auditory Nerve
Myelin Sheath
Node of Ranvier
Synapse
The differential stimulation of the of the hair cells along the basilar membrane of tones of varying frequency is referred to as the
Modes of Vibration
Area of Force
Place Principle (Place Theory)
Cellular Theory
"Basilar Distribution"
The smallest increment of certain properties of musical sound which will permit the hearer to perceive a change in the stimulus is referred to in psychoacoustical terms as
Absolute Threshold
Decibels (dB)
CPS
Just Noticeable Difference (JND)
PDQ
If a friend of client complains of a ringing in their ears, you should send them to
An audiologist
An otologist
A laryngologist
An osteopath
An audiometrist
A disease in which bony growths inhibit the mechanical operation of the ossicles is
Otitis Media
Sensory-Neural Hearing Loss
Tinnitus
Reticular Deafness
Otosclerosis
The perception of differences between consonance and dissonance is mainly
Learned
A matter of noise content
Related to harmonic proximity
Less noticeable in the midrange of human hearing
All of the above
By using the "mystical" ratio of 3:2, the Greeks developed a musical temperament called
Dorian tuning
Scala Vestibuli
Pythagorean System
Enharmonic Equivalency
Epicurean Interplay
The three ossicles of the middle ear are individually known as the
Shaped like a snail shell, the cochlea contains a partition section and two parallel circular pathways; an upper region called __________ and a lower region known as __________
The space between two neurons in the same neural pathway is called a
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