Electroencephalographic (EEG) dynamics and body skin temperature as markers of attentional fluctuations

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Congratulations to Enrique Molina for his latest publication entitled "Electroencephalographic and peripheral temperature dynamics during a prolonged psychomotor vigilance task".

The work, just accepted for publication in Accident; Analysis and Prevention explores the relationship between sustained attention performance, peripheral temperature and time-frequency signatures of cortical activity.

Reference:
Molina, E., Sanabria, D., Jung, T.-P., & Correa, A. (2017). Electroencephalographic and peripheral temperature dynamics during a prolonged psychomotor vigilance task. Paper in press in Accident Analysis & Prevention.

Abstract:
Attention lapses and fatigue are a main source of impaired performance that can lead to accidents. This study analyzed both electroencephalographic (EEG) dynamics and body skin temperature as markers of attentional fluctuations in non-sleep deprived subjects during a 45 minutes Psychomotor Vigilance Task (PVT). Independent Component Analysis and time- frequency analysis were used to evaluate the EEG data. Results showed a positive association between distal and distal-to-proximal gradient (DPG) temperatures and reaction time (RT); increments in EEG power in alpha-, theta- and beta-band frequencies in parieto-occipital, central-medial and frontal components, were associated with poor performance (slower RT) in the task. This generalized power increment fits with an increased activity in the default mode network, associated with attention lapses. This study highlights the potential use of the PVT as a tool to obtain individual physiological indices of vigilance and fatigue that could be generalized to other vigilance tasks typically performed in occupational settings.

Congratulations to Irune on her latest publication!

Irune's study, carried out with colleagues at the University of Oxford and the University of Barcelona, investigated the influence of language codes in the spatial representation of auditory pitch and loudness. The results show that, compared to Spanish and Catalan speakers, English speaker exhibit a greater degree of interaction between a sound's pitch and the spatial positioning of response buttons used to categorize that pitch as high or low. These findings provide new evidence of the overlap interplay between the spatial representations associated with language and pitch processing.

Reference:
Fernandez-Prieto, I., Spence, C., Pons, F., & Navarra, J. (2017). Does Language Influence the Vertical Representation of Auditory Pitch and Loudness. I-Perception, 8(3), 1-11, doi: 10.1177/2041669517716183.

Neurocog at ESCoP 2017

ESCoP 2017, Potsdam, 3-6 September

ESCoP 2017, Potsdam, 3-6 September

The 20th Conference of the European Society for Cognitive Psychology (ESCoP) is kicking off this September 3rd in Potsdam, Germany. The meeting, held every four years, will gather hundreds of researchers in cognitive psychology and related. Our group will be present there with three presentations by Alicia Leiva, Pilar Andrés and Fabrice Parmentier.

Fabrice Parmentier's will present some of his latest work on deviance distraction. The talk will be part of a symposium entitled "Cognition at the brink of failure: The multiple facets of auditory distraction" organized by Stefan Berti (University of Mainz, Germany) and János Horvñath (Hungarian Academy of Science). The presentation will describe recent work suggesting that deviant sounds cause behavioral distraction by triggering an orientation response away from the task at hand and by perturbing ongoing action plans.

Alicia Leiva, Pilar Andrés and Fabrice Parmentier will present two posters. One presents work investigating the relation between deviance distraction, working memory capacity and response inhibition in children, young and older adults. The study concludes that deviance distraction and its variations across age groups are not accounted for by variations in working memory capacity or response inhibition. The other poster presents a new analysis of past data on the effect of aging on cross-modal deviance distraction, showing that this effect remains visible using a relative measure of deviance distraction controlling for variations in overall response speed.

Congratulations to Enrique on his latest publication!

Simulated driving task used to study the effect of blue-enriched white light on arousal and driving performance.

Simulated driving task used to study the effect of blue-enriched white light on arousal and driving performance.

Together with colleagues at the University of Granada and the University of Murcia, Enrique Molina just published a study investigating the effect of blue-enriched white light and long-wavelength orange light on arousal and driving performance. The results indicate that blue-enriched white light enhanced physiological arousal but did not improve reaction times or driving performance in a driving simulation. The study concludes that the increase in arousal yielded by the exposure to blue-enriched white light may prejudicial in certain tasks requiring high precision behavior.

Reference:
Rodríguez-Morilla, B., Madrid, J. A., Molina, E., & Correa, A. (2017). Blue-Enriched White Light Enhances Physiological Arousal But Not Behavioral Performance during Simulated Driving at Early Night. Frontiers in Psychology, 22 June, doi: 10.3389/fpsyg.2017.00997

Welcome to Irune and Enrique!

This week we're pleased to welcome two new researchers, Irune Fernandez-Prieto and Enrique Molina.

Enrique is a psychologist with a degree in Computing, a MSc in Neuroscience. He's also about to submit in PhD thesis in Neuroscience. He will be working with Fabrice Parmentier on his Bial-funded project on attention and mindfulness and assist with his research on auditory distraction.

Irune is a psychologist with a MSc in Evolution and Cognition, and a PhD in Experimental Psychology specializing in auditory and cross-modal cognition. She will be working with Fabrice Parmentier on his MINECO-funded project on auditory distraction by unexpected sounds.