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Rate My Professor Penny Lewis

Cardiff University

Ratings & reviews

5.05/4/2026

Encourages students to think outside the box.

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About Penny

Professor Penelope Lewis is a Professor in the School of Psychology at Cardiff University, leading the Neuroscience and Psychology of Sleep Lab (NaPS) within the Cardiff University Brain Research Imaging Centre (CUBRIC). She earned her BA from Cornell University and DPhil from the University of Oxford. Her research centers on brain plasticity and off-line learning during sleep and wakefulness, examining changes in behaviour and neural activity occurring after initial learning, particularly when memories are not being actively encoded, practised, or recalled. Key areas of investigation include consolidation of procedural skills, processing of emotional episodes, transition of memories from episodic to semantic forms, and 'sleep engineering'—techniques to manipulate sleep oscillations for enhanced cognitive benefits and health improvements, such as strengthening memory, reducing negative emotions, and mitigating cognitive decline associated with ageing.