Rats sustaining damage to the superior colliculus in infancy or adulthood and sham-operated controls were tested on two tasks requiring visual orienting to 'unexpected' and 'expected' stimuli, respectively. Experiment 1 measured the distracting effect of novel visual and auditory stimuli presented while the animals traversed a familiar runway. Control rats oriented to the distracting stimulus and had lengthened running times on the trials where it was presented. Rats with lesions of the super...Expand abstract
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A comparison of the effects of superior collicular ablation in infant and adult rats.
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