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publications
Closed-loop modulation of local slow oscillations in human NREM sleep
Published in NeuroImage, 2022
We introduce TOPOSO, a real-time EEG closed-loop algorithm that topographically targets local UP/DOWN states of slow oscillations—overcoming single-channel limitations—producing fewer but region-specific stimulations, reliably hitting frontal/sensorimotor/centro-parietal UP-states in naps and transiently enhancing the targeted local state before a canonical frontal slow oscillation emerges, thereby enabling precise modulation and study of local slow-oscillation function.
Recommended citation: Ruch, S., Schmidig, F. J., Knüsel, L., & Henke, K. (2022). Closed-loop modulation of local slow oscillations in human NREM sleep. Neuroimage, 264, 119682.
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Episodic long-term memory formation during slow-wave sleep
Published in eLife, 2024
Targeted to slow-wave troughs, novel word pairs played during sleep were encoded and later shaped waking semantic decisions up to 36 hours later, accompanied by increased neural complexity, theta on subsequent peaks, and ramping fast spindles that likely supported consolidation.
Recommended citation: F. J. Schmidig, S. Ruch, K.Henke (2024) Episodic long-term memory formation during slow-wave sleep eLife 12:RP89601.
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A visual paired associate learning (vPAL) paradigm to study memory consolidation during sleep
Published in Journal of Sleep Research, 2024
Introducing vPAL, a one-shot face–animal association paradigm, we show that a daytime nap (vs. wake) stabilizes recognition and improves discrimination without boosting cued recall, and that higher sleep spindle density predicts greater recognition stability, highlighting a simple paradigm to probe sleep-dependent memory consolidation across populations.
Recommended citation: Schmidig, F. J., Geva‐Sagiv, M., Falach, R., Yakim, S., Gat, Y., Sharon, O., ... & Nir, Y. (2024). A visual paired associate learning (vPAL) paradigm to study memory consolidation during sleep. Journal of Sleep Research, 33(5), e14151.
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Anticipatory eye gaze as a marker of memory
Published in Nature Communication Psychology, 2025
Using the MEGA paradigm, anticipatory eye movements during repeated movie viewing provide a nonverbal, single-trial index of associative memory—predicting salient events seconds in advance, enabling machine-learning classification, dissociating recollection (gaze) from familiarity (pupil dilation), and revealing sleep-related retrieval benefits—thus extending memory assessment beyond verbal report.
Recommended citation: Schmidig, F. J., Yamin, D., Sharon, O., Nadu, Y., Nir, J., Ranganath, C., & Nir, Y. (2025). Anticipatory eye gaze as a marker of memory. Communications Psychology, 3(1), 122.
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talks
Talk 1 on Relevant Topic in Your Field
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Conference Proceeding talk 3 on Relevant Topic in Your Field
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teaching
Teaching
Seminare and lecture series at the neuropsychological program of the psychological faculty of the University of Bern.
Graduate student
Mentoring 8 graduate students and 11 research assistants/internships.