Figure 3 Although chronic NMDAR blockade in full-size or compressed retino-SC maps results in enlarged receptive fields, tuning of SC neurons to visual response properties such as stimulus size and velocity is unaffected. Measures of best stimulus size and velocity in individual SC neurons as well as normalized response levels across the population of neurons were not significantly different between the normal, chronic NMDAR blockade (D-APV), and NMDAR blockade combined with PT ablation (PT/D-APV) groups. Adapted from Razak, K. A., Huang, L., and Pallas, S. L. 2003. NMDA receptor blockade in the superior colliculus increases receptive field size without altering velocity and size tuning. J. Neurophysiol. 90, 110-119.
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