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Strategic processing allows for value-based preferential encoding of information. Event-related spectral perturbations can provide insights into neural processes linked to the different aspects of strategic processing. This study examined theta and alpha band power differences linked to processing of high- versus low-value information. Thirty-three young adults (17 F; mean age: 21.2 ± 1.5 years) completed a value-directed word list learning task. The task consisted of five word lists that each contained a unique set of high- and low-value words that were visually presented one at a time and EEG corresponding to these words were examined. To encourage strategic processing, participants were informed that after each list they would be asked to recall as many words as possible with their goal being to maximize their score. Overall, participants recalled more high-value words for each of the five lists as compared to low-value words, which supports that participants engaged in strategic processing. Frontal theta band power showed greater positivity during processing of low- compared to high-value words, whereas parietal alpha band power showed greater negativity during processing of high- compared to low-value words. These findings suggest that theta and alpha bands index different aspects of strategic processing, inhibition and selective attention, respectively, and have future applications for understanding the effects of aging and brain diseases/disorders.
This article was published in the following journal.
Name: Behavioural brain research
Electrophysiological studies from humans suggest that the phantom sound of tinnitus is associated with abnormal thalamocortical neural oscillations. However, tinnitus models have seldom been tested in...
Emerging evidence suggests cognitive training programs targeting higher-order reasoning may strengthen not only cognitive, but also neural functions in individuals with Mild Cognitive Impairment (MCI)...
Humans integrate visual and physical (vestibular and proprioceptive) cues to motion during self-motion perception. Theta and alpha-band oscillations have been associated with the processing of visual ...
Covert spatial attention allows us to prioritize visual processing at relevant locations. A fast growing literature suggests that alpha-band (8-12 Hz) oscillations play a key role in this core cogni...
Alpha oscillations generated in the human brain have long been investigated in neuroscience. Synchronized oscillatory activities of numerous neural oscillators are thought to underlie alpha oscillatio...
Purpose: In this study, the investigators will provide causal evidence for the role of alpha and theta oscillations in cognitive control. Participants: Participants must be healthy, betwe...
This study evaluates if individuals with moderate to high trait anxiety can learn how to self-regulate their brain waves and reduce their trait anxiety in ten sessions of EEG alpha-theta n...
This study will evaluate the efficacy of an alpha/delta neurofeedback training protocol on tinnitus distress. 1/3 of the participants in the study will undergo alpha/delta neurofeedback tr...
Background: The technology of brain-computer interfaces (BCI) enables the monitoring of brain activity and the generation of a real-time output about specific changes in activity patterns....
This research seeks to study the physiological effects of theta-burst transcranial magnetic stimulation (TMS) in the brains of healthy controls using functional MRI and spectroscopy.
Members of the alpha-globin family. In humans, they are encoded in a gene cluster on CHROMOSOME 16. They include zeta-globin and alpha-globin. There are also pseudogenes of zeta (theta-zeta) and alpha (theta-alpha) in the cluster. Adult HEMOGLOBIN is comprised of 2 alpha-globin chains and 2 beta-globin chains.
Enzymes that catalyze DNA template-directed extension of the 3'-end of an RNA strand one nucleotide at a time. They can initiate a chain de novo. In eukaryotes, three forms of the enzyme have been distinguished on the basis of sensitivity to alpha-amanitin, and the type of RNA synthesized. (From Enzyme Nomenclature, 1992).
A subclass of heme a containing cytochromes have a reduced alpha-band absorption of 587-592 nm. They are primarily found in microorganisms.
Cytochromes of the b group that have alpha-band absorption of 563-564 nm. They occur as subunits in MITOCHONDRIAL ELECTRON TRANSPORT COMPLEX III.
An overuse injury causing lateral knee pain that results from repetitive friction of the iliotibial band over the lateral femoral epicondyle.