Experience shapes chandelier cell function and structure in the visual cortex

Koen Seignette, Nora Jamann, Paolo Papale, Huub Terra, Ralph O Porneso, Leander de Kraker, Chris van der Togt, Maaike van der Aa, Paul Neering, Emma Ruimschotel, Pieter R Roelfsema, Jorrit S Montijn, Matthew W Self, Maarten H P Kole, Christiaan N Levelt

Research output: Contribution to journal/periodicalArticleScientificpeer-review

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Detailed characterization of interneuron types in primary visual cortex (V1) has greatly contributed to understanding visual perception, yet the role of chandelier cells (ChCs) in visual processing remains poorly characterized. Using viral tracing we found that V1 ChCs predominantly receive monosynaptic input from local layer 5 pyramidal cells and higher-order cortical regions. Two-photon calcium imaging and convolutional neural network modeling revealed that ChCs are visually responsive but weakly selective for stimulus content. In mice running in a virtual tunnel, ChCs respond strongly to events known to elicit arousal, including locomotion and visuomotor mismatch. Repeated exposure of the mice to the virtual tunnel was accompanied by reduced visual responses of ChCs and structural plasticity of ChC boutons and axon initial segment length. Finally, ChCs only weakly inhibited pyramidal cells. These findings suggest that ChCs provide an arousal-related signal to layer 2/3 pyramidal cells that may modulate their activity and/or gate plasticity of their axon initial segments during behaviorally relevant events.

Original languageEnglish
Article numberRP91153
Publication statusPublished - 09 Jan 2024


  • Animals
  • Mice
  • Neurons
  • Pyramidal Cells
  • Visual Cortex
  • Interneurons
  • Arousal


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