Human head and neck Basilar membrane

Diagram of the major structures of the human earDiagram of the major structures of the human ear
Refer back to the diagram. Answer the following questions based on the diagram. Decide if the question is true, false or can’t tell based on the information provided. Basilar membrane
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Auditory systems and sound wavesAuditory systems and sound waves
Auditory System: transmits information about sound waves in the environment to the cns. Basilar membrane
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Exostosis of the external auditory canal definitionExostosis of the external auditory canal definition
An exostosis is a benign growth of periosteal bone, which forms a smooth, sessile, hemispherical swelling in the deep part of the meatus, adjacent to the tympanic membrane. Basilar membrane
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If a tree falls and no one is there, does the tree make a sound?If a tree falls and no one is there, does the tree make a sound?
A psychologist would answer, “There are sound waves, but there is not sound or noise. Basilar membrane
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Lecture: Physiology of Hearing and Equilibrium I. Physical Characteristics of SoundLecture: Physiology of Hearing and Equilibrium I. Physical Characteristics of Sound
B. Perceiving Differences in Loudness (Intensity) amplitude increases, more hair cells of the basilar membrane (with same pitch) are activated. Basilar membrane
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Ear and hearingEar and hearing
The largest ear structure is the auricle which is able to trap and funnel a minute sound wave into the middle and inner ear structures. This will allow a concentration of the vibrations making the sound detection more likely to occur. Basilar membrane
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The Seven Senses II. HearingThe Seven Senses II. Hearing
The outer ear is composed of the pinna, the auditory canal, and the eardrum. The function of the outer ear is to focus the sound waves to the middle ear. Basilar membrane
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Basilar membrane Behavior Behaviorist perspective Belief-bias Biological perspective Bipolar disorderBasilar membrane Behavior Behaviorist perspective Belief-bias Biological perspective Bipolar disorder
A consistent pattern of cyclical body activities, usually lasting 24 hours and determined by an internal biological clock. Basilar membrane
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Hearing notesHearing notes
External. Includes auricle=pinna, external auditory meatus (or canal). End with eardrum = tympanic membrane. Basilar membrane
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Tasks & ResourcesTasks & Resources
The pinna “catch” these sound waves and their shape helps the brain work out which direction the sound is coming from. The vibrations travel down the ear canal to the eardrum which moves back and forth. Basilar membrane
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