Journal article
The transliminal brain at rest: Baseline EEG, unusual experiences, and access to unconscious mental activity
Cortex, v 44(10), pp 1353-1363
2008
PMID: 18814870
Featured in Collection : UN Sustainable Development Goals @ Drexel
Abstract
Transliminality reflects individual differences in the threshold at which unconscious processes or external stimuli enter into consciousness. Individuals high in transliminality possess characteristics such as magical ideation, belief in the paranormal, and creative personality traits, and also report the occurrence of manic/mystic experiences. The goal of the present research was to determine if resting brain activity differs for individuals high versus low in transliminality. We compared baseline EEG recordings (eyes-closed) between individuals high versus low in transliminality, assessed using
The Revised Transliminality Scale of Lange et al. (2000). Identifying reliable differences at rest between high- and low-transliminality individuals would support a predisposition for transliminality-related traits. Individuals high in transliminality exhibited lower alpha, beta, and gamma power than individuals low in transliminality over left posterior association cortex and lower high alpha, low beta, and gamma power over the right superior temporal region. In contrast, when compared to individuals low in transliminality, individuals high in transliminality exhibited greater gamma power over the frontal-midline region. These results are consistent with prior research reporting reductions in left temporal/parietal activity, as well as the desynchronization of right temporal activity in schizotypy and related schizophrenia spectrum disorders. Further, differences between high- and low-transliminality groups extend existing theories linking altered hemispheric asymmetries in brain activity to a predisposition toward schizophrenia, paranormal beliefs, and unusual experiences.
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Details
- Title
- The transliminal brain at rest: Baseline EEG, unusual experiences, and access to unconscious mental activity
- Creators
- Jessica I Fleck - The Richard Stockton College of New Jersey, USADeborah L Green - Drexel University, USAJennifer L Stevenson - University of Wisconsin-Madison, USALisa Payne - Drexel University, USAEdward M Bowden - Northwestern University, USAMark Jung-Beeman - Northwestern University, USAJohn Kounios - Drexel University, USA
- Publication Details
- Cortex, v 44(10), pp 1353-1363
- Publisher
- Elsevier Srl
- Resource Type
- Journal article
- Language
- English
- Academic Unit
- Psychological and Brain Sciences (Psychology)
- Web of Science ID
- WOS:000261601700008
- Scopus ID
- 2-s2.0-55349095077
- Other Identifier
- 991014878548504721
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- Collaboration types
- Domestic collaboration
- Web of Science research areas
- Behavioral Sciences
- Neurosciences
- Psychology, Experimental