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. Author manuscript; available in PMC: 2011 Dec 12.
Published in final edited form as: Exp Brain Res. 2011 May 10;213(2-3):341–349. doi: 10.1007/s00221-011-2714-z

Fig. 2. SC Dynamic Ranges in the newborn.

Fig. 2

Activity of SC neurons in response to different inputs in the newborn. The x-axis reports the magnitude of simulated external inputs in arbitrary units, while the y-axis the normalized activity evoked in the stimulated SC neurons. The activity was assessed by stimulating the model with auditory (small dotted line), visual (big dotted line) and cross-modal (solid line) inputs, presented in the center of their relative RFs, at various intensities. Before the training phase, the SC shows no multisensory integration and the cross-modal responses are no bigger than the best unisensory response. Note that the predicted sum (dash-dotted line) far outpaces the actual multisensory response.