Neurotoxic hippocampal lesions have no effect on odor span and little effect on odor recognition memory but produce significant impairments on spatial span, recognition, and alternation.

@article{Dudchenko2000NeurotoxicHL,
  title={Neurotoxic hippocampal lesions have no effect on odor span and little effect on odor recognition memory but produce significant impairments on spatial span, recognition, and alternation.},
  author={Paul A Dudchenko and Emma R. Wood and Howard Eichenbaum},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  year={2000},
  volume={20 8},
  pages={2964-77}
}
Recent work has shown that lesions of the hippocampus in monkeys cause deficits in the capacity to remember increasing numbers of objects, colors, and spatial locations (). However, others have observed that hippocampectomized monkeys can show intact memory for a list of objects or locations (). We wished to explore the effects of hippocampal damage on the capacity of memory in the rodent and, to do so, developed novel "span" tasks in which a variable number of odors or locations had to be… CONTINUE READING
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