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Theta activity and cognitive functioning: Integrating evidence from resting-state and task-related developmental
Enda Tan1, Sonya V Troller-Renfree2, Santiago Morales3
1Department of Human Development and Quantitative Methodology, University of Maryland, College Park, MD 20740, USA; Neuroscience and Cognitive Science Program, University of Maryland, College Park, MD 20740, USA.
Developmental Cognitive Neuroscience
|June 9, 2024
Summary
Electroencephalography (EEG) theta power shows a paradox: high resting-state theta correlates with lower cognitive skills, while increased task-related theta indicates better cognitive performance. This review explores this theta band discrepancy.
Area of Science:
- Neuroscience
- Cognitive Science
- Psychology
Background:
- The theta band is a prominent frequency in electroencephalography (EEG) power spectrum.
- Elevated resting-state theta power is linked to lower cognitive abilities in children and adolescents.
- Increased theta power during cognitive tasks is associated with higher cognitive performance.
Purpose of the Study:
- To provide an integrated account of the functional correlates of theta across different contexts.
- To explain the differential correlations between resting-state and task-related theta power with cognitive functioning.
- To offer suggestions for future research in the area of theta band activity and cognition.
Main Methods:
- Review of existing scientific literature on electroencephalography (EEG) theta band power.
- Analysis of studies examining resting-state theta power and cognitive abilities.
- Analysis of studies examining task-related theta power and cognitive performance.
Main Results:
- Higher resting-state theta power correlates with lower executive functioning, attention, language skills, and IQ.
- Theta power increases during memory, attention, and cognitive control tasks.
- Higher task-related theta power correlates with better cognitive performance in these tasks.
Conclusions:
- The functional role of theta power differs significantly between resting-state and cognitive task conditions.
- Understanding the context-dependent nature of theta band activity is crucial for interpreting its relationship with cognitive functioning.
- Further research is needed to elucidate the mechanisms underlying these differential correlations.
