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Alejandro López Valdés

Assistant Professor in Neural Engineering and Brain Health

At the Lopez Valdes Lab, we focus on translational research, particularly with applications in monitoring and influencing different aspects of cognitive function. We have specific interests in sensory integrity, cognitive reserve, neurotechnology, individualized cognition, context-based biomarkers of cognitive function and hyperscanning of multi-modal electrophysiology.


We have different ongoing collaborations aiming at translating lab-based research to real-world applications leveraging the use of novel EEG sensor technologies, and context-based electrophysiology.


Alejandro is an Assistant Professor in Applied Neural Engineering for Brain Health within to the School of Engineering and The Global Brain Health Institute at Trinity College Dublin.


He has a background in biomedical engineering, specialized in neural engineering with industry experience in the fields of medical device service and management, medical device design, and auditory assistive devices research and development.


He obtained a B.Sc. in Biomedical Engineering from ITESM in Monterrey, Mexico.  Completed his M.Sc. in Bioengineering from the University of Groningen and Trinity College Dublin through the CEMACUBE programme funded by the European Union. Finally, he obtained a Ph.D. in Mechanical and Manufacturing Engineering, specialized in neural engineering, from Trinity College Dublin.


After five years at Eriksholm Research Centre in Denmark, Alejandro returned to Dublin joining Trinity College and the Global Brain Health Institute. Through his research, Alejandro strives to contribute to the creation of applicable and scalable methods and solutions to support brain health throughout the lifespan. His research focuses on applied neural engineering supporting, aging, sensory dysfunction, and cognition, with emphasis on context-based electrophysiology.

Key Publications

  • Calderon De Palma, I., Lopez, L.S., Lopez Valdes, A. (2023) Effects of spectral and temporal modulation degradation on intelligibility and cortical tracking of speech signals. Proc. INTERSPEECH 2023, 5192-5196, doi: 10.21437/Interspeech.2023-964

  • Farrel, S., Lopez Valdes, A. (2023) ‘The Mind’ Promotes brain synchronization: an ecological evaluation of brain synchronization in co-operative tasks. (in press)

  • Carta S, Mangiacotti AMA, Valdes AL, Reilly RB, Franco F, Di Liberto GM. The impact of temporal synchronisation imprecision on TRF analyses. J Neurosci Methods. 2023 Feb 1;385:109765. doi: 10.1016/j.jneumeth.2022.109765. Epub 2022 Dec 5. PMID: 36481165.

  • Lyxell, B., Riis, S. K., Ng, E., Valdes, A. L., Büchner, A., & Wendt, D. (2021). How Do We Allocate Our Resources When Listening and Memorizing Speech in Noise? A Pupillometry Study. Ear and hearing, 42(4), 846–859.

  • Simões-Franklin, C., Flood, I., Sechler, S., Lopez-Valdes, A., Waechter, S. M., Thapa, J., Glynn, F., Walshe, P., Reilly, R. B., & Viani, L. (2020). Sequential bilateral implantation in older children: Inter-implant map differences and their effects on functional outcomes. Clinical otolaryngology : official journal of ENT-UK ; official journal of Netherlands Society for Oto-Rhino-Laryngology & Cervico-Facial Surgery, 45(4), 459–465.

You can find more of Alejandro's publications here.

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