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Article: Age-related changes to layer 3 pyramidal cells in the rhesus monkey visual cortex.

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Luebke JI; Medalla M; Amatrudo JM; Weaver CM; Crimins JL; Hunt B; Hof PR; Peters A
Cereb. Cortex, 2015


Table 3

Synapse densities and profile lengths

Young Aged P-value
Numerical density, NV (synapses ×106/mm3)
All synapses 598 ± 38 467 ± 18 0.002
 Asymmetric 416 ± 36 369 ± 21 0.20
  Axospinous 280 ± 25 231 ± 16 0.09
  Axodendritic 100 ± 10 97 ± 10 0.85
 Symmetric 186 ± 21 106 ± 6 0.0003
  Axospinous 88 ± 12 50 ± 4 0.002
  Axodendritic 88 ± 14 41 ± 4 0.001
Synapse profile length (µm)
 Asymmetric (all) 0.34 ± 0.01 0.36 ± 0.01 0.08
  Axospinous 0.33 ± 0.01 0.36 ± 0.01 0.06
  Axodendritic 0.34 ± 0.02 0.35 ± 0.02 0.61
 Symmetric (all) 0.29 ± 0.01 0.33 ± 0.02 0.06
  Axospinous 0.28 ± 0.01 0.31 ± 0.01 0.15
  Axodendritic 0.29 ± 0.02 0.35 ± 0.02 0.03

  • P-values that are statistically significant (less than 0.05) are indicated in italics.


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Inferred neuron-electrophysiology data values

Neuron Type Neuron Description Ephys Prop Extracted Value Standardized Value Content Source