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Altered complexity in layer 2/3 pyramidal neurons (Luuk van der Velden et al. 2012)
" ... Our experimental results show that hypercomplexity of the apical dendritic tuft of layer 2/3 pyramidal neurons affects neuronal excitability by reducing the amount of spike frequency adaptation. This difference in firing pattern, related to a higher dendritic complexity, was accompanied by an altered development of the afterhyperpolarization slope with successive action potentials. Our abstract and realistic neuronal models, which allowed manipulation of the dendritic complexity, showed similar effects on neuronal excitability and confirmed the impact of apical dendritic complexity. Alterations of dendritic complexity, as observed in several pathological conditions such as neurodegenerative diseases or neurodevelopmental disorders, may thus not only affect the input to layer 2/3 pyramidal neurons but also shape their firing pattern and consequently alter the information processing in the cortex."
  • Neocortex spiking regular (RS) neuron Show Other
  • Neuron or other electrically excitable cell Show Other
  • van der Velden L, van Hooft JA, Chameau P (2012) Show Other
  • van der Velden, Luuk [l.j.j.vandervelden at uva.nl] Show Other
l.j.j.vandervelden@uva.nl
van der Velden, Luuk [l.j.j.vandervelden at uva.nl]
22696545
True
False
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Last Time: 1/20/2014 3:53:47 PM
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