Stimulus novelty uncovers coding diversity in visual cortical circuits
Garrett, M.; Groblewski, P.; Piet, A.; Ollerenshaw, D.; Yavorska, I.; Najafi, F.; Amster, A.; Bennett, C.; Buice, M.; Caldejon, S.; Casal, L.; D'Orazi, F.; Daniel, S.; de Vries, S. E.; Kapner, D.; Kiggins, J.; Lecoq, J.; Ledochowitsch, P.; Manavi, S.; Mei, N.; Morrison, C. B.; Naylor, S.; Orlova, N.; Perkins, J.; Ponvert, N.; Roll, C.; Seid, S.; Williams, D.; Williford, A.; Ahmed, R.; Amine, D.; Billeh, Y.; Bowman, C.; Cain, N.; Cho, A.; Dawe, T.; Departee, M.; Desoto, M.; Feng, D.; Gale, S.; Gelfand, E.; Gradis, N.; Grasso, C.; Hancock, N.; Hu, B.; Hytnen, R.; Jia, X.; Johnson, T.; Kato, I.;
Show abstract
Detecting novel stimuli in the environment is critical for learning and survival, yet the neural basis of novelty processing is not understood. To characterize cell type-specific novelty processing, we surveyed the activity of [~]15,000 excitatory and inhibitory neurons in mice performing a visual task with novel and familiar stimuli. Clustering revealed a dozen functional neuron types defined by experience-dependent encoding. Vasoactive-intestinal-peptide (Vip) expressing inhibitory neurons were diverse, encoding novel stimuli, omissions of familiar stimuli, or behavioral features. Distinct Somatostatin (Sst) expressing inhibitory neurons encoded either familiar or novel stimuli. Subsets of excitatory neurons co-clustered with specific Vip or Sst subpopulations, while Sst and Vip inhibitory clusters were non-overlapping. This study establishes that novelty processing is mediated by diverse functional neuron types in the visual cortex.
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