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Deficits in RFVRs after ibotenic acid injections: sample temporal profiles (monkey P). Mean horizontal vergence velocity (°/s) over time (ms) in response to multiple presentations of 2% expansions (A) and contractions (B) before (thick traces) and after (thin traces) the injections. Radial flow steps were applied at zero on the time scale. Upward deflections denote convergent eye movements. The time bars, 50–100 ms, indicate the period over which the response measures were made.
