Brown-sequardsyndrome
High-Yield Explanation
Sites of damage in Brown-Sequard Syndrome:Ascending sensory pathway: Dorsal-column pathway, Ventrolateral spinothalamic tract.Descending motor pathways: Coicospinal tract.Effects:Ipsilateral loss of discriminative touch, vibration, and proprioception below the level of lesion - (due to lesion of fasciculus cuneatus and gracilis)Controlateral loss of temp. and pain, 2-3 segments below the level of lesion - (due to loss of ventrolateral spinothalamic tract)Weakness and spasticity of ceain muscle groups on same side of the body - (due to loss of coicospinal tract) (i.e., LMN paralysis on same side)Ref: Ganong&;s 23rd Edition pg: 177