Cortical modulation of dorsal column nuclei: a computational study
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Cortical modulation of dorsal column nuclei: a computational studyData
2006-04-22Cita bibliográfica
Sánchez E, Barro S, Mariño J, Canedo A. Cortical modulation of dorsal column nuclei: a computational study. J Comput Neurosci. 2006;21:21-33
Resumo
[Abstract] We present a computational study aimed at exploring the sensorimotor cortex modulation of the behaviour of dorsal column nuclei, specifically the impact of synaptic parameters, during both sleep and waking conditions. On the basis of the circuit proposed by Canedo et al. (2000), we have developed realistic computational models that have been tested with simultaneous electrocorticographic as well as intracellular cuneate recordings performed in anaesthetized cats. The results show that, (1) under sleep conditions, the model can block the transmission of afferent sensory information and, (2) operations expected during wakefulness, such as filtering and facilitation, can be performed if synaptic parameters are appropriately tuned.
Palabras chave
Sensiromotor cortex
Cuneate nucleus
Cutaneous transmission
Cortical modulation
Sleep rhytms
Cuneate nucleus
Cutaneous transmission
Cortical modulation
Sleep rhytms
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The final publication is avaliable online at Springer Link