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Related Experiment Video

Updated: Aug 14, 2025

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Disruption of Frontal Lobe Neural Synchrony During Cognitive Control by Alcohol Intoxication

Published on: February 6, 2019

The Stroop effect involves an excitatory-inhibitory fronto-cerebellar loop.

Moe Okayasu¹, Tensei Inukai¹, Daiki Tanaka¹

¹Department of Biosciences and Informatics, Keio University, Yokohama, Japan.

Nature Communications

|January 11, 2023

Summary

This summary is machine-generated.

The Stroop effect, a language-color interference, involves a brain loop between the prefrontal cortex and cerebellum. This excitatory-inhibitory loop helps resolve perceptual conflicts during cognitive tasks.

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Online Transcranial Magnetic Stimulation Protocol for Measuring Cortical Physiology Associated with Response Inhibition

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Published on: February 8, 2018

Area of Science:

Cognitive Neuroscience
Neurobiology

Background:

The Stroop effect demonstrates interference between language and color processing.
The precise timing and neural mechanisms of Stroop interference resolution remain unclear.

Purpose of the Study:

To investigate the neural basis and timing of the Stroop effect.
To elucidate the brain regions and network dynamics involved in resolving perceptual conflicts.

Main Methods:

Participants performed a Stroop task and a non-verbal control task (Swimmy task) with vocal or manual responses.
Functional brain activity was assessed during task performance.

Main Results:

Stroop interference occurs during the perception of color-word stimuli.
A cross-hemispheric excitatory-inhibitory loop between the lateral prefrontal cortex (left hemisphere) and cerebellum (right hemisphere) was identified.
This fronto-cerebellar loop's lateralization was specific to the Stroop task, not the control task.
The prefrontal cortex showed amplified cerebellar activity, while the cerebellum suppressed prefrontal activity.

Conclusions:

The identified fronto-cerebellar loop plays a crucial role in resolving Stroop interference.
This neural circuit may underpin language and cognitive systems supporting goal-directed behavior amidst perceptual conflict.