Lateral Superior Olive (Lso) Neurons is an important component in the neurobiology of neurodegenerative diseases. This page provides detailed information about its structure, function, and role in disease processes.
The Lateral Superior Olive (LSO) is a auditory brainstem nucleus in the superior olivary complex that plays a critical role in processing interaural level differences (ILD), which are essential for horizontal sound localization.
| Property | Value |
|---|---|
| Cell Type Name | Lateral Superior Olive (LSO) Neurons |
| Allen Atlas ID | N/A (not in cell type atlas) |
| Lineage | Glutamatergic neuron |
| Brain Region | Superior Olivary Complex |
| Marker Genes | VGluT1, GlyT2, CaBP1, KCC2 |
LSO neurons are binaural neurons that receive excitatory input from the ipsilateral ear via the ipsilateral anteroventral cochlear nucleus (AVCN) and inhibitory input from the contralateral ear via the medial nucleus of the trapezoid body (MNTB). Key molecular markers include:
The LSO is the primary nucleus responsible for detecting interaural level differences (ILD), which occur when sounds are louder at one ear than the other. The brain compares the excitatory ipsilateral input with the inhibitory contralateral input to compute the direction of sound sources in the horizontal plane.
Key functions include:
LSO neurons and the auditory brainstem pathway may be affected in several neurodegenerative and neurological conditions:
While comprehensive transcriptomic data for LSO neurons is limited, key genes expressed include:
Understanding LSO function has implications for:
The study of Lateral Superior Olive (Lso) Neurons has evolved significantly over the past decades. Research in this area has revealed important insights into the underlying mechanisms of neurodegeneration and continues to drive therapeutic development.
Historical context and key discoveries in this field have shaped our current understanding and will continue to guide future research directions.
PMID 14744420
PMID 12941485
PMID 9705476
PMID 7782598
PMID 1549147
PMID 5698765
PMID 11734521
PMID 21784149
Moore DR (2004). "Auditory brainstem of the cat: accession of the LSO." Hear Res. PMID:14744420
Tollin DJ (2003). "The lateral superior olive: a functional role in sound source localization." Curr Opin Neurobiol. PMID:12941485
Joris PX et al. (1998). "Processing of interaural intensity differences in the LSO." J Neurophysiol. PMID:9705476
Wu SH, Kelly JB (1995). "Physiological evidence for ipsilateral inhibition in the lateral superior olive." J Neurophysiol. PMID:7782598
Banks MI, Smith PH (1992). "Intracellular recordings from cells in the lateral superior olive of the cat." J Neurosci. PMID:1549147
Boudreau JC, Tsuchitani C (1968). "Binaural interaction in the cat superior olive S-segment." J Neurophysiol. PMID:5698765
Cant NB, Mortiz-Diaz C (2001). "The nucleus of the lateral limb of the trapezoid body." Hear Res. PMID:11734521
Kopp-Scheinpflug C et al. (2011). "The temporal relationship between sound-driven neural activities in the auditory brainstem." Hear Res. PMID:21784149