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The lateral lemniscus is a tract of axons in the brainstem that carries information about sound from the cochlear nucleus to various brainstem nuclei and ultimately the contralateral inferior colliculus of the midbrain. Three distinct, primarily inhibitory, cellular groups are located interspersed within these fibers, and are thus named the ...
The lateral lemniscus is a tract of axons in the brainstem that carries information about sound from the cochlear nucleus to various brainstem nuclei and ultimately the contralateral inferior colliculus of the midbrain.
After decussating, some of these fibres proceed to ascend in the contralateral lateral lemniscus to reach and terminate in the dorsal nucleus of lateral lemniscus, and inferior colliculus. [1]: 383 The trapezoid body is part of the auditory pathway.
The output is via the ipsilateral lateral lemniscus to the inferior colliculus. [6] The MSO responds better to binaural stimuli. The MSO's main function is detection of interaural time difference (ITD) cues to binaural lateralization. The MSO is severely disrupted in the autistic brain. [7]
The lateral lemniscus contains cells of the nuclei of the lateral lemniscus, and in turn projects to the inferior colliculus. The inferior colliculus receives direct, monosynaptic projections from the superior olivary complex, the contralateral dorsal acoustic stria, some classes of stellate neurons of the VCN, as well as from the different ...
Sensitivity to Interaural Time Difference in the Dorsal Nucleus of the Lateral Lemniscus of the Unanesthetized Rabbit: Comparison with other structures. Journal of Neurophysiology. 95: 1309–1322. Moore, B. (1996) Perceptual Consequences of Cochlear Hearing Loss and their Implications for the Design of Hearing Aids. Ear and Hearing. 17(2):133-161
Therefore, the signals sent to the higher auditory nervous system are representative of this complete picture, integrated information from both ears instead of a single ear. The binaural squelch effect is a result of nuclei of the brainstem processing timing, amplitude, and spectral differences between the two ears. Sounds are integrated and ...
The medial geniculate nucleus (MGN) or medial geniculate body (MGB) is part of the auditory thalamus and represents the thalamic relay between the inferior colliculus (IC) and the auditory cortex (AC). [1]