QEEG and MMPI-2 patterns of adults reporting childhood sexual abuse: Determining differences and predictor models.

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Childhood sexual abuse (CSA) has been linked to a number of adult psychological maladies. The MMPI-2 has shown specific patterns such as an inverted V in the validity scales, a floating profile, and a 4-5-6 configuration to be present more often in adults who have experienced childhood trauma. Both children and adults who have experienced trauma have shown a number of neurophysiological differences when compared to non-traumatized individuals. However, little research has looked at differences in quantitative electroencephalography (QEEG) patterns in these individuals. The purpose of this study is to determine differences seen in the MMPI-2 and the QEEG when ... continued below

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Townsend, Alicia December 2003.

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  • Townsend, Alicia L.

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Childhood sexual abuse (CSA) has been linked to a number of adult psychological maladies. The MMPI-2 has shown specific patterns such as an inverted V in the validity scales, a floating profile, and a 4-5-6 configuration to be present more often in adults who have experienced childhood trauma. Both children and adults who have experienced trauma have shown a number of neurophysiological differences when compared to non-traumatized individuals. However, little research has looked at differences in quantitative electroencephalography (QEEG) patterns in these individuals. The purpose of this study is to determine differences seen in the MMPI-2 and the QEEG when comparing adults who report CSA to adults who deny any history of childhood abuse. Differences between the two groups in MMPI-2 basic scales and supplementary scales PK and PS were determined. This study also examined the ability to correctly classify individuals into the two groups using three patterns seen in the MMPI-2 basic scale profiles (inverted V, floating profile, and 4-5-6 configuration). In addition, this research included exploratory analyses to develop predictor models for CSA group membership. Predictors in the models were derived from MMPI-2 scales, alpha relative power at each of the 19 sites in the International 10/20 electrode placement system, as well as alpha/delta, alpha/theta, and alpha/beta ratios at each of the 19 sites. A total of 46 participants were included in this study, 24 from archived files and 22 newly recruited individuals. Each participant received a MMPI-2 and a QEEG. Significant differences were found between the MMPI-2 scores of the two groups, but MMPI-2 patterns were unable to correctly classify individuals. Models were found which were clinically relevant and statistically significant. The models were based on depression and social maladjustment. The depression models included scales F and 2 of the MMPI-2 and alpha relative power at left frontal sites. The social maladjustment models included scales 4 and 8 of the MMPI-2 and alpha relative power at temporal sites. These findings support previous research showing higher levels of pathology in MMPI-2 profiles and evidence for temporal and left-frontal differences in adults who report CSA.

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  • December 2003

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  • Feb. 15, 2008, 3:02 p.m.

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Townsend, Alicia. QEEG and MMPI-2 patterns of adults reporting childhood sexual abuse: Determining differences and predictor models., dissertation, December 2003; Denton, Texas. (digital.library.unt.edu/ark:/67531/metadc4383/: accessed November 17, 2018), University of North Texas Libraries, Digital Library, digital.library.unt.edu; .