The Inverse of Psychopathology: A Loreta EEG and Cortisol Examination

Debora R. Baldwin, Rex L. Cannon, Sarah K. Fischer, Katherine C. Kivisto

Abstract


Low resolution electromagnetic tomography (LORETA)  electroencephalogram (EEG) was recorded from 63 nonclinical adults (34 female and 29 male) while they completed inventories on self-perception (Self-Perception and Experiential Schemata) and psychological well-being (The Brief Symptom Inventory–18). In addition, salivary samples were collected before and after the self-assessment tasks for cortisol analyses. The statistical analyses revealed a significant decrease in cortisol levels from pretest to posttest self-examination. This decline in salivary cortisol was inversely correlated with greater left-sided than right-sided hemisphere activation. Self-perception and self-in-relation to others predicted resting salivary cortisol levels. These data provide further evidence for the use of LORETA EEG, in particular, as a biological marker for emotional self-regulation.

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DOI: http://dx.doi.org/10.1080/10874208.2011.623095

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