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Table 1 Relationships between EEG bands and brain activities

From: Understand group interaction and cognitive state in online collaborative problem solving: leveraging brain-to-brain synchrony data

EEG bands

Related brain activity

Delta (\(\updelta\))

The unconscious mind, signal detection

Theta (\(\uptheta\))

Positively correlated with cognitive load

Alpha (\(\mathrm{\alpha }\))

Negatively correlated with cognitive load, related with mediation

Beta (\(\upbeta\))

Related with attention and decision making

Gamma (\(\upgamma\))

Related with multisensory and sensorimotor integration, memory formation, and perceptual binding