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EEG Correlates of Involuntary Cognitions in the Reflexive Imagery Task.


ABSTRACT: The Reflexive Imagery Task (RIT) reveals that the activation of sets can result in involuntary cognitions that are triggered by external stimuli. In the basic RIT, subjects are presented with an image of an object (e.g., CAT) and instructed to not think of the name of the object. Involuntary subvocalizations of the name (the RIT effect) arise on roughly 80% of the trials. We conducted an electroencephalography (EEG) study to explore the neural correlates of the RIT effect. Subjects were presented with one object at a time in one condition and two objects simultaneously in another condition. Five regions were defined by electrode sites: frontal (F3-F4), parietal (P3-P4), temporal (T3-T4), right hemisphere (F4-P4), and left hemisphere (F3-P3). We focused on the alpha (8-13 Hz), beta (13-30 Hz), delta (0.01-4 Hz), and theta (4-8 Hz) frequencies.

SUBMITTER: Dou W 

PROVIDER: S-EPMC7113402 | biostudies-literature | 2020

REPOSITORIES: biostudies-literature

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EEG Correlates of Involuntary Cognitions in the Reflexive Imagery Task.

Dou Wei W   Allen Allison K AK   Cho Hyein H   Bhangal Sabrina S   Cook Alexander J AJ   Morsella Ezequiel E   Geisler Mark W MW  

Frontiers in psychology 20200326


The Reflexive Imagery Task (RIT) reveals that the activation of sets can result in involuntary cognitions that are triggered by external stimuli. In the basic RIT, subjects are presented with an image of an object (e.g., CAT) and instructed to not think of the name of the object. Involuntary subvocalizations of the name (the RIT effect) arise on roughly 80% of the trials. We conducted an electroencephalography (EEG) study to explore the neural correlates of the RIT effect. Subjects were presente  ...[more]

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