Selective targeting of the dendrites of corticothalamic cells by thalamic afferents in area 17 of the cat.

@article{Costa2009SelectiveTO,
  title={Selective targeting of the dendrites of corticothalamic cells by thalamic afferents in area 17 of the cat.},
  author={Nuno Maçarico da Costa and Kevan A. C. Martin},
  journal={The Journal of neuroscience : the official journal of the Society for Neuroscience},
  year={2009},
  volume={29 44},
  pages={13919-28}
}
Pyramidal cells of layer 6 in cat visual cortex are the source of the corticothalamic projection, and their recurrent collaterals provide substantially more excitatory synapses in layer 4 than does the thalamic input. They have predominantly simple receptive fields and can be driven monosynaptically by electrically stimulating thalamic relay cells. Layer 6 cells could thus provide a significant disynaptic amplification of the thalamic input to layer 4, particularly since their synapses… CONTINUE READING

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