Dr. Nadia Osei

Sleep-dependent consolidation of new vocabulary

Lead researcher · Sleep and Cognition Lab · 2022 – 2023

A within-subjects EEG and behavioral study on whether an afternoon nap protects newly learned vocabulary from interference, with 62 adult participants.

EEGSleepWithin-subjects designSignal processingPythonMNE

Overview

Impact

62

Participants

23%

Variance explained by spindles

1,240

Hours of PSG scored

Spindle density explained 23% of variance in overnight retention. Published in a peer-reviewed journal and replicated in a follow-up sample of 40 participants.

Links

Reviews

Nadia rebuilt our entire EEG preprocessing pipeline while running the study. Three other projects in the lab still use it.

Dr. Ivan Petrov

Postdoctoral advisor