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Romanos, M; Ehlis, A C; Baehne, C G; Jacob, C; Renner, T J; Storch, A; Briegel, W; Walitza, S; Lesch, K P; Fallgatter, A J (2010). Reduced NoGo-anteriorisation during continuous performance test in deletion syndrome 22q11.2. Journal of Psychiatric Research, 44(12):768-74.

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Deletion syndrome 22q11.2 (DS22q11.2) is a high-risk factor for psychiatric disorders. Alterations in brain morphology and function including the anterior cingulate cortex (ACC) are suggested to underlie the increased psychiatric disposition. We assessed response-inhibition in patients with DS22q11.2 (n=13) and healthy controls (n=13) matched for age, sex, and handedness by means of a Go-NoGo-Task during recording of a multi-channel electroencephalography (EEG). Analysis of event-related potentials (P300) resulted in an aberrant topographical pattern and NoGo-anteriorisation (NGA) as a parameter of medial prefrontal function was significantly reduced in patients with DS22q11.2 compared to controls. Differences in IQ between groups did not account for the findings. Source localization analysis (LORETA) revealed diminished left temporal brain activation during the Go-condition, but no altered ACC activation in DS22q11 during the NoGo-condition. Despite recent reports of structural alterations of the ACC in DS22q11.2 our findings suggest that response-inhibition mediated by the ACC is not impaired in DS22q11.2.


2 citations in Web of Science®
3 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > Center for Child and Adolescent Psychiatry
Dewey Decimal Classification:610 Medicine & health
Deposited On:17 Jan 2011 17:52
Last Modified:05 Apr 2016 14:33
Publisher DOI:10.1016/j.jpsychires.2010.02.001
PubMed ID:20188379

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