What is BASILAR MEMBRANE DISPLACEMENT?
The basilar membrane within the cochlea of the inner ear is a stiff structural element that separates two liquid-filled tubes that run along the coil of the cochlea, ... near the place where the displacement and velocity are maximized, ...
http://en.wikipedia.org/wiki/Basilar_membrane
1. Laryngoscope. 2004 Nov;114(11):1953-9. Basilar membrane displacement related to endolymphatic sac volume. Xenellis JE, Linthicum FH Jr, Webster P, Lopez R.
http://www.ncbi.nlm.nih.gov/pubmed/15510021
Evaluating the basilar membrane displacement for speech stimulus: a computational algorithm
http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=1557264
This figure shows the displacement of the basilar membrane over time, in response to a pure tone stimulus. Some points are displaced up and others down. Over time, the different points on the membrane move up and down (indicated by the 3 curves in the bottom panel of the figure).
http://www.cns.nyu.edu/%7Edavid/courses/perception/lecturenotes/pitch/pitch.html
Sinusoidal drive through the oval window (top) causes a traveling wave of fluid flow (snapshot of fluid streamlines as shown) in the cochlear ducts, with corresponding displacement and velocity waves on the basilar membrane.
http://www.thefullwiki.org/Basilar_membrane
This point of maximal displacement is determined by the sound frequency. ... Each point on the basilar membrane was postulated to have a characteristic frequency at which it vibrated most efficiently; because it was physically linked to adjacent areas of the membrane, ...
http://www.ncbi.nlm.nih.gov/books/NBK10946/
The displacement thus constitutes a traveling wave of deformation which progresses from base toward apex. ... Thus, when the basilar membrane vibrates in response to low-frequency signals, below about 4 kHz, ...
http://www.neurophys.wisc.edu/h&b/textbook/chap-6.html
BASILAR MEMBRANE Together with the ORGAN OF CORTI, the main sensing mechanism of the ear. It is ... Incoming vibrations set up a travelling wave along the membrane giving it a different maximum displacement for different frequencies as shown below.
http://www.sfu.ca/sonic-studio/handbook/Basilar_Membrane.html
CiteSeerX - Scientific documents that cite the following paper: Models for approximating basilar membrane displacement
http://citeseerx.ist.psu.edu/showciting?cid=185448
The displacement patterns of the basilar membrane are due to what? its physical characteristics: As a longitudinal wave travels through the perilymph, what does it create?
http://quizlet.com/11391616/comd-3400-exam-4-module-12-flash-cards/
The effect of efferent stimulation on basilar membrane displacement in the basal turn of the guinea pig cochlea. E Murugasu and IJ Russell; School of Biological Sciences, University of Sussex, Falmer, Brighton, United Kingdom. Abstract. Tone-evoked ...
http://www.jneurosci.org/content/16/1/325.short
noun Anatomy . a supporting membrane, especially the membrane that supports the organ of Corti in the ear and aids in translating sound vibrations into electrical signals ...
http://dictionary.reference.com/browse/basilar+membrane
Publication » The effect of efferent stimulation on basilar membrane displacement in the basal turn of the guinea pig cochlea..
http://www.researchgate.net/publication/14586356_The_effect_of_efferent_stimulation_on_basilar_membrane_displacement_in_the_basal_turn_of_the_guinea_pig_cochlea
For high frequency sounds the maximum displacement is at the ____ of the basilar membrane. beginning (base) What forms the ionic barrier between endolymph and perilymph? ... When basilar membrane vibrates, hair cell _____ are sheared or bent by the tectorial membrane.
http://www.studystack.com/flashcard-518492
The movement of fluid in the cochlea, induced by sound, causes displacement of the basilar membrane and subsequent stimulation of the attached hair cells which transform the mechanical signal into neural activity. Source: MeSH 2007.
http://www.rightdiagnosis.com/medical/basilar_membrane.htm
"Snapshot" of basilar membrane. Displacement of the basilar membrane at one instant in time. Some points are displaced up and others down. Traveling wave over time. Over time, the different points on the membrane move up and down.
http://www.cns.nyu.edu/~david/courses/perception/lecturenotes/pitch/pitch-3-24-2000.html
The effect of efferent stimulation on basilar membrane displacement in the basal turn of the guinea pig cochlea.
http://www.keepthefaith1296.com/parkinsons/the-effect-of-efferent-stimulation-on-basilar-membrane-displacement-in-the-basal-turn-of-the-guinea-pig-cochlea-ODYxMzc5OQ==.htm
Let us go into the details of basilar skull fracture signs and also find information about its prognosis and treatment. ... In case of severe injuries, displacement of skull fracture may occur. ... This bleeding occurs in the skull and outer membrane.
http://www.buzzle.com/articles/basilar-skull-fracture.html
basilar membrane n. The membrane that extends from the margin of the bony shelf of the cochlea to its outer wall and on which the sensory cells of the organ of Corti rest ...
http://medical-dictionary.thefreedictionary.com/basilar+membrane
Brief and Straightforward Guide: What Is the Basilar Membrane?
http://www.wisegeek.com/what-is-the-basilar-membrane.htm
Basilar Membrane. The basilar membrane is present inside the cochlea of inner ear. It is so stiff and has structural element which separate two liquid which are filled with tubes that run all along the cochlea coil, scala media and scala tympani.
http://classof1.com/homework_answers/anatomy/basilar_membrane/
The basilar membrane responds to single tones with AC vibrations that mimic the stimuli. For characteristic-frequency (CF) tones, responses are largely devoid of harmonic, DC or adaptation components. ... with neural threshold corresponding to a basilar-membrane displacement of about 0.35-2 nm.
http://www.aro.org/archives/1994/163.html
(2000) Nilsen, Russell. Proceedings of the National Academy of Sciences of the United States of America. Read by researchers in: 60% Biological Sciences, 10% Psychology. In the mammalian cochlea, the basilar membrane's (BM) mechanical responses are amplified, and frequency tuning is sharpened ...
http://www.mendeley.com/catalog/spatial-temporal-representation-tone-guinea-pig-basilar-membrane-1/
The basilar membrane moves and is the base for the organ of corti consisting of inner and outer hair cells whose stereocilia lie embedded in the tectorial membrane. ... Displacement of the outer hairs cells causes a tuning effect. From the hair cells, ...
http://answers.yahoo.com/question/index?qid=20120410191540AABRqHP
Above this they respond to basilar membrane displacement. 0 0 · 0 Bookmarks · 12 Views Citations (0) Cited In (1) Source. Article: Auditory mechanics of the tectorial membrane and the cochlear spiral. Núria Gavara, Daphne ...
http://www.researchgate.net/publication/15789349_The_responses_of_inner_hair_cells_to_basilar_membrane_velocity_during_low_frequency_auditory_stimulation_in_the_guinea_pig_cochlea
Physical displacement of the basilar membrane bends the stereocilia. 2. Bending of the cilia either opens or closes a K+ channel. 3. When K+ enters, the hair cell depolarizes. 4. Depolarization activates a Ca++ channel. 5. Ca++ influx causes NT release .
http://www.rci.rutgers.edu/~uzwiak/AnatPhys/Audition.htm
Short wavelengths, from high pitched sounds, cause displacement of the basilar membrane near the oval window. A) True: B) False Textbook Resources. Study on the Fly; Biology and A&P Prep Sites; Get Body Smart; Essential Study Partner; A&P Revealed; Lab ...
http://novella.mhhe.com/sites/0042561336/student_view0/chapter12/effect_of_sound_waves_on_cochlear_structures.html
Basilar membrane stiffness measurements were made in the base of the gerbil cochlea. Basilar membrane stiffness was determined by contacting the basilar membrane ... In cochleas that were not damaged during surgery the stiffness versus displacement characteristic usually had the following ...
http://www.mendeley.com/research/vivo-measurement-basilar-membrane-stiffness/
The movement of fluid in the cochlea, induced by sound, causes displacement of the basilar membrane and subsequent stimulation of the attached hair cells which transform the mechanical signal into neural activity. Organ Of Corti.
http://www.bioportfolio.com/resources/pmarticle/146070/Basilar-Membrane-Velocity-In-A-Cochlea-With-A-Modified-Organ-Of-Corti.html
Basilar Membrane: membrane that serves as the floor of the organ of Corti. It has a stiffness gradient. ... fluid is displaced causing an outward displacement of the round window. Cochlear Mechanics (2) as the stapes is punched outward, ...
http://quizlet.com/2506258/basilar-membrane-flash-cards/
Short wavelengths, from high pitched sounds, cause displacement of the basilar membrane near the oval window. A) True: B) False Textbook Resources. Virtual Labs; Chapter Activities. Learning Outcomes; Pre Test; Post Test; Flashcards; Effect of Sound Waves on ...
http://highered.mcgraw-hill.com/sites/9834092339/student_view0/chapter45/effect_of_sound_waves_on_cochlear_structures.html
The basilar membrane within the cochlea of the inner ear is the part of the auditory system that decomposes incoming auditory signals into their frequency components.
http://www.wordiq.com/definition/Basilar_membrane
basilar membrane(BM)in the basal half-turn ofthe cochlea wherefrequencies above the range ofthe acoustic fovea are represented andwehavecomparedthese measurementswith OAEsthat were measured in the auditory meatus. ... displacement P(t) is given by: P(t) =Po+psin(ot). [1]
http://www.pnas.org/content/92/1/276.full.pdf
wave shape of the expected basilar membrane displacement. As the microelectrode approaches and penetrates an inner hair cell, the recorded waveform becomes much more impulse-like, which is characteristic of a response to basilar membrane velocity. The response is ...
http://deepblue.lib.umich.edu/bitstream/handle/2027.42/24391/0000661.pdf?sequence=1
Vibration of the endolymph causes displacement of the (a). Short waves (high pitch) cause displacement of the (a) closer/higher ... Movement of the basilar membrane is detected in the (a) of the (b) which are attached to the basilar membrane. Vibrations of the perilymph in the scala vesibuli and ...
http://www.flashcardmachine.com/anatomy-and-functionoftheear.html
One way that frequency info is coded or represented in the auditory system is where along the basilar membrane max displacement occurs. If it’s near the base, frequency is high if it’s near the apex, ...
http://www.d.umn.edu/~floven/Courses/CSD3103/ppt/documents/InnerEar.ppt
basilar membrane n. A membranous portion of the cochlea in the mammalian inner ear that supports the organ of Corti. Thesaurus Legend: Synonyms Related Words Antonyms Noun 1 ...
http://www.thefreedictionary.com/basilar+membrane
Sinusoidal drive through the oval window (top) causes a traveling wave of fluid flow (snapshot of fluid streamlines as shown) in the coclear ducts, with corresponding displacement and velocity waves on the basilar membrane.
http://english.turkcebilgi.com/Basilar+membrane
In response to sinusoidal pressure applied to the stapes (tones) the basilar membrane vibrates producing the phenomenon of traveling waves.
http://147.162.36.50/cochlea/cochleapages/theory/bm/bm.htm
Maximum displacement of the basilar membrane occurs closer to its base as the sound frequency is increased. (The frequency of sound waves is measured in hertz [Hz], or cycles per second.) Figure 10.20 The effect of sounds of different frequency on the basilar membrane.
http://www.78steps.com/human-physiology/spiral-organ-organ-of-corti.html
Xenellis JE, Linthicum FH Jr, Webster P, Lopez R (2004) Basilar membrane displacement related to endolymphatic sac volume. Laryngoscope 114, 1953-1959.
http://www.neuroscience-of-music.se/Xenellis.htm
alternating upward and downward displacement of the basilar membrane that propagates from the base to the apex in much the same way that a wave of motion would propagate along a rope if it were shaken at one end.
http://courses.washington.edu/psych333/handouts/coursepack/ch20-Transduction_tonotopic_maps_and_central_auditory_system.pdf
Definition of basilar membrane – Our online dictionary has basilar membrane information from A Dictionary of Biology dictionary. Encyclopedia.com: English, psychology and medical dictionaries. ... wave of displacement along the basilar membrane ...
http://www.encyclopedia.com/doc/1O6-basilarmembrane.html
Inner hair cell depolarization is proportional to displacement of the basilar membrane, which, in turn, is dependent on 2 factors: the magnitude of the acoustic stimulus and the amplification of this signal by outer hair cell motility.
http://emedicine.medscape.com/article/874533-overview
The organ of Corti is the sensitive element in the inner ear and can be thought of as the body's microphone. It is situated on the basilar membrane in one of the three compartments of the Cochlea.
http://hyperphysics.phy-astr.gsu.edu/hbase/Sound/corti.html
Von Bekesy noted that the motion of the basilar membrane was in the form of a traveling wave, ... a high-pass filter a low-pass filter a bandpass filter * * As the sound pressure increases the amplitude of basilar membrane motion increases. the displacement of the stereocilia increases.
http://depts.washington.edu/sphsc461/traveling/the%20traveling%20wave_files/the%20traveling%20wave.ppt
The basilar membrane is narrow near the base of the cochlea and wide at the apex. ... The middle ear functions to amplify sound. The displacement of the tympanic membrane causes malleus, incus, and stapes (ossicles) to move in a mechanical fashion.
http://www.coursehero.com/keyword/basilar-membrane/
Definition of basilar membrane in the AudioEnglish.org Dictionary. Meaning of basilar membrane. What does basilar membrane mean? Proper usage of the word basilar membrane. Information about basilar membrane in the AudioEnglish.org dictionary, synonyms and antonyms.
http://www.audioenglish.org/dictionary/basilar_membrane.htm
Above this they respond to basilar membrane displacement. Mesh Acoustic Stimulation Animals Basilar Membrane Cochlear Microphonic Potentials Ear, Inner Guinea Pigs Hair Cells, Auditory Hair Cells, Auditory, Inner Language. eng. Pub Type(s) Journal Article PubMed ID. 7410248.
http://www.unboundmedicine.com/harrietlane/ub/citation/7410248/The_responses_of_inner_hair_cells_to_basilar_membrane_velocity_during_low_frequency_auditory_stimulation_in_the_guinea_pig_cochlea_
Basilar Membrane Filtering. Once introduced into the cochlea, a remarkable mechanical frequency decomposition of the sound vibration pattern occurs. ... , causes a standing wave-like displacement of the basilar membrane and the structures attached to it.
http://www.physiology.wisc.edu/phys735/lutear/Manual-Basilar.html
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