Fig 8. TNAC light responses persist in presence of GABAzine and L-APB.

Traces in columns show responses evoked by 2s flashes of full field 440nm light at the indicated intensities (log₁₀ Rh*/rod/s) in Ames solution (left), after addition of 50 μM GABAzine (middle) and after addition of 75 μM L-APB (right). The resting potential was - 64 mV in control and - 59 mV and - 60 mV in GABAzine and GABAzine + L-APB, respectively.