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Fig. 4. | BMC Biology

Fig. 4.

From: Relationship between oxygen consumption and neuronal activity in a defined neural circuit

Fig. 4.

Decrease of ventricular O2 concentrations during spontaneous spike bursts. a Typical multi-unit recording of the superior oblique nerve (black trace) and corresponding firing rate (red trace; bin width 1 s), depicting a spontaneously occurring spike burst (a1). a2 shows the transiently elevated discharge rate (red trace) of the multi-unit spike activity in a1 (gray area) and concurrent alteration in ventricular O2 concentration (green trace) in an air-saturated bath solution. b Overlay of four consecutive spike burst episodes in an individual preparation (gray traces in the upper plot) and concurrent increases in ventricular O2 consumption (gray traces in the lower plot) along with the respective averages (red and blue traces)

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