Inverted Encoding Model of Serial Dependence

Project intern under the supervision of David Pascucci, Ph.D., and Michael Herzog, Ph.D., Brain Mind Institute, Ecole polytechnique federale de Lausanne (EPFL), CH

10/2019 – 03/2020

Previous studies showed that prior experience has a positive effect on the current perception, such that the prior experience can lead to a bias towards perceiving the current stimulus as more similar to the previous stimulus than it actually is. This effect is known as serial dependence. To investigate the effect of serial dependence, 21 participants performed an orientation adjustment task. Behaviorally, an effect of serial dependence was shown in this experiment. I preprocess and analyze the EEG data that was previously collected. We model the orientation channels and serial dependence by using the paradigm of an inverted encoding model. Our next step will be to model the fMRI data for a similar model of serial dependence as we applied to EEG data.

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