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Zh Vyssh Nerv Deiat Im I P Pavlova. 1997 May-Jun;47(3):513-22.

[Cross-correlational analysis of the neuronal connections of the cerebellum in the waking rabbit].

[Article in Russian]


The methods of cross-interval and crosscorrelation analysis were used to study interneuronal connections in cerebellar vermis in awake rabbit. Crosscorrelation, or spike-triggering method, complemented the analysis of cross-intervals which estimated the neuronal interaction comparing spike sequences as point processes. Among 16 neuronal pairs recorded intra- or extracellularly 10 pairs were considered as interconnected. Inhibitory interconnections dominated. The inhibitory neuronal interconnections were revealed in pairs with complex spikes. Neurons which constituted pairs with reciprocal excitatory-inhibitory interaction fired only simple spikes. The variability and plasticity of common inputs to Purkinje cells were seemingly lower than those of direct connections which probably transmitted the output signals of Purkinje cells.

[Indexed for MEDLINE]

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