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. 1998 Dec 15;18(24):10672–10679. doi: 10.1523/JNEUROSCI.18-24-10672.1998

Fig. 4.

Fig. 4.

Velocity imbalance, gain, and phase lead of the vestibulo-ocular reflex after local administration in the PH nucleus of drugs affecting the NO–cGMP pathway. A, Velocity imbalance (VI) produced by the different drugs during VOR induction by rotation of the head at 0.1 and 1 Hz. Positive values represent velocity imbalance toward the injected side and negative values toward the contralateral side. B, Gain of the VOR induced by rotation of the head at 0.1 and 1 Hz after injection of the different drugs. Gain is expressed as a percentage of the control value for each experiment. Gray bar, 100% ± SD of control values. C, Changes in phase lead during the VOR induced by rotation of the head at 0.1 and 1 Hz produced by injection of the different drugs. Values are expressed in degrees (deg). Gray bar, 0 ± SD of control values. n = 2 for d-NAME;n = 3 for SNAP and l-arginine;n = 4 for 8-Br-cGMP; and n = 5 for l-NAME.