Variation is the Norm: Brain State Dynamics Evoked By Emotional Video Clips

no code implementations • 24 Oct 2021 • Ashutosh Singh, Christiana Westlin, Hedwig Eisenbarth, Elizabeth A. Reynolds Losin, Jessica R. Andrews-Hanna, Tor D. Wager, Ajay B. Satpute, Lisa Feldman Barrett, Dana H. Brooks, Deniz Erdogmus

For the last several decades, emotion research has attempted to identify a "biomarker" or consistent pattern of brain activity to characterize a single category of emotion (e. g., fear) that will remain consistent across all instances of that category, regardless of individual and context.

Recovering individual emotional states from sparse ratings using collaborative filtering

1 code implementation • 14 Sep 2021 • Eshin Jolly, Max Farrens, Nathan Greenstein, Hedwig Eisenbarth, Marianne Reddan, Eric Andrews, Tor D. Wager, Luke J. Chang

We validate our approach across three different experimental contexts by recovering dense individual ratings using only a small subset of the original data.

Collaborative Filtering Imputation