Key publications

For a full publication list, see our Google Scholar.

• Balog BZ, ..., Karalis N, ...,  Nyiri G
  Prefrontal-raphe-habenular circuit drives fear memory recall and updating.
  Nature Communications, 2026

• Grimm C, Duss S, Privitera M, Munn B, Karalis N, ...,  Zerbi V
  Tonic and burst-like locus coeruleus stimulation distinctly shift network activity across the cortical hierarchy.
  Nature Neuroscience, 2024

• Massi L, Hagihara K, ..., Karalis N* & Lüthi A*
  Di-synaptic specificity of serial information flow for conditioned fear.
  Science Advances, 2023

• Karalis, N. & Sirota, A.
  Breathing coordinates cortico-hippocampal dynamics in mice during offline states.
  Nature Communications, 2022

• Hagihara, K. M., Bukalo, O., Zeller, M., Aksoy-Aksel, A., Karalis, N., ..., Lüthi, A., & Holmes, A.
  Intercalated amygdala clusters orchestrate a switch in fear state.
  Nature, 2021

• Mahn, M., Saraf-Sinik, I., Patil, P., Pulin, M., Bitton, E., Karalis, N., ..., Lüthi, A., Rost, B. R., ... Yizhar, O.
  Efficient optogenetic silencing of neurotransmitter release with a mosquito rhodopsin.
  Neuron, 2021

• Castillo, X., Castro-Obregón, S., Gutiérrez-Becker, B., Gutiérrez-Ospina, G., Karalis, N., ..., Winek, K., & Zille, M.
  Re-thinking the etiological framework of neurodegeneration.
  Frontiers in neuroscience, 2019

• Babaev, O., Cruces-Solis, H., Piletti Chatain, C., Hammer, ..., Karalis, N., ..., Brose, N., & Krueger-Burg, D.
  IgSF9b regulates anxiety behaviors through effects on centromedial amygdala inhibitory synapses.
  Nature communications, 2018

• Rozeske, R. R., Jercog, D., Karalis, N., Chaudun, F., Khoder, S., Girard, D., Winke, N., & Herry, C.
  Prefrontal-periaqueductal gray-projecting neurons mediate context fear discrimination.
  Neuron, 2018

• Dejean, C.*, Courtin, J.*, Karalis, N.*, Chaudun, F., Wurtz, H., Bienvenu, T. C., & Herry, C.
  Prefrontal neuronal assemblies temporally control fear behaviour.
  Nature, 2016

• Karalis, N., Dejean, C. , Chaudun, F. , Khoder, S., Rozeske, R. R., ..., Sirota, A., Courtin, J., & Herry, C.
  4-Hz oscillations synchronize prefrontal-amygdala circuits during fear behavior.
  Nature Neuroscience, 2016

• Courtin, J., Chaudun, F., Rozeske, R. R., Karalis, N., ..., Baufreton, J., Bienvenu, T. C., & Herry, C.
  Prefrontal parvalbumin interneurons shape neuronal activity to drive fear expression.
  Nature, 2014

* equal contribution