From Correlational Signs to Markers. Current Trends in Neuroelectric Research on Visual Attentional Processing

Brain Sciences
Alberto Zani

Abstract

Traditionally, electroencephalographic (EEG) and event-related brain potentials (ERPs) research on visual attentional processing attempted to account for mental processes in conceptual terms without reference to the way in which they were physically realized by the anatomical structures and physiological processes of the human brain. The brain science level of analysis, in contrast, attempted to explain the brain as an information processing system and to explain mental events in terms of brain processes. Somehow overcoming the separation between the two abovementioned levels of analysis, the cognitive neuroscience level considered how information was represented and processed in the brain. Neurofunctional processing takes place in a fraction of a second. Hence, the very high time resolution and the reliable sensitivity of EEG and ERPs in detecting fast functional changes in brain activity provided advantages over hemodynamic imaging techniques such as positron emission tomography (PET) or functional magnetic resonance imaging (fMRI), as well as over behavioral measures. However, volume conduction and lack of three-dimensionality limited applications of EEG and ERPs per se more than hemodynamic techniques for revealing location...Continue Reading

References

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Apr 25, 2017·Scientific Reports·Alberto Zani, Alice Mado Proverbio
Sep 19, 2017·Cognitive Neuroscience·Alberto Zani, Alice Mado Proverbio
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Jan 16, 2020·Brain Sciences·Claudio de'Sperati
Apr 15, 2020·Brain Sciences·Kyle K MorganDon Tucker

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Methods Mentioned

BETA
imaging techniques

Software Mentioned

LORETA
eLORETA
swLORETA
Low Resolution Tomography ( LORETA )
sLORETA
Brain Electrical Source Analysis ( BESA )

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