File:Frequency_mapping_in_human_ear_and_brain_-_10.1371_journal.pbio.0030137.g001-L.jpg
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DescriptionFrequency mapping in human ear and brain - 10.1371 journal.pbio.0030137.g001-L.jpg |
English: (A) The human ear and frequency mapping in the cochlea. The three ossicles incus, malleus, and stapes transmit airborne vibration from the tympanic membrane to the oval window at the base of the cochlea. Because of the mechanical properties of the basilar membrane within the snail-shaped cochlea, high frequencies will produce a vibration peak near the oval window, whereas low frequencies will stimulate receptors near the apex of the cochlea (locations for three frequencies indicated schematically). Information from the cochlear receptor cells is transmitted to the cochlear nuclei via the 8th cranial nerve, and on through the midbrain to the cortex. (Redrawn from Figure 12.3 in [11].)
(B) Lateral view of the human brain, with the auditory cortex exposed. The primary auditory cortex contains a topographic map of the cochlear frequency spectrum (shown in kilohertz). (Redrawn from Figure 12.15A in [11].) |
Date | |
Source | Perception Space—The Final Frontier, A PLoS Biology Vol. 3, No. 4, e137 doi:10.1371/journal.pbio.0030137 ([1]/[2]) |
Author | Chittka L. and Brockmann A. |
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 21:57, 28 April 2009 | ![]() | 2,020 × 2,480 (989 KB) | Mike.lifeguard | malleus and incus were swapped |
04:06, 12 February 2009 | ![]() | 2,020 × 2,480 (472 KB) | Mike.lifeguard | {{Information |Description={{en|1=(A) The human ear and frequency mapping in the cochlea. The three ossicles incus, malleus, and stapes transmit airborne vibration from the tympanic membrane to the oval window at the base of the cochlea. Because of the me |
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JPEG file comment | Handmade Software, Inc. Image Alchemy v1.10.2d22 |
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