ELIZA

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210) Multivariate pattern analysis was then used to classify patients from healthy controls.

--- ABSTRACT ---

PMID:24072164 DOI:10.1007/s00429-013-0641-4

2015 Brain structure & function

* Multivariate classification of social anxiety disorder using whole brain functional connectivity.

- Recent research has shown that social anxiety disorder (SAD) is accompanied by abnormalities in brain functional connections. However, these findings are based on group comparisons, and, therefore, little is known about whether functional connections could be used in the diagnosis of an individual patient with SAD. Here, we explored the potential of the functional connectivity to be used for SAD diagnosis. Twenty patients with SAD and 20 healthy controls were scanned using resting-state functional magnetic resonance imaging. The whole brain was divided into 116 regions based on automated anatomical labeling atlas. The functional connectivity between each pair of regions was computed using Pearson's correlation coefficient and used as classification feature. Multivariate pattern analysis was then used to classify patients from healthy controls. The pattern classifier was designed using linear support vector machine. Experimental results showed a correct classification rate of 82.5 % (p < 0.001) with sensitivity of 85.0 % and specificity of 80.0 %, using a leave-one-out cross-validation method. It was found that the consensus connections used to distinguish SAD were largely located within or across the default mode network, visual network, sensory-motor network, affective network, and cerebellar regions. Specifically, the right orbitofrontal region exhibited the highest weight in classification. The current study demonstrated that functional connectivity had good diagnostic potential for SAD, thus providing evidence for the possible use of whole brain functional connectivity as a complementary tool in clinical diagnosis. In addition, this study confirmed previous work and described novel pathophysiological mechanisms of SAD.

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(3)35 was	(14)5 based	(25)3 yielded	(36)2 patients
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(9)8 the	(20)4 using	(31)2 found
(10)8 to	(21)3 identified	(32)2 further
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--- WordNet output for analysis --- =>詳細な検討, 分解, 分析, 解析, 見方, 精神分析 Overview of noun analysis The noun analysis has 6 senses (first 3 from tagged texts) 1. (45) analysis -- (an investigation of the component parts of a whole and their relations in making up the whole) 2. (5) analysis, analytic thinking -- (the abstract separation of a whole into its constituent parts in order to study the parts and their relations) 3. (2) analysis -- (a form of literary criticism in which the structure of a piece of writing is analyzed) 4. analysis -- (the use of closed-class words instead of inflections: e.g., `the father of the bride' instead of `the bride's father') 5. analysis -- (a branch of mathematics involving calculus and the theory of limits; sequences and series and integration and differentiation) 6. psychoanalysis, analysis, depth psychology -- (a set of techniques for exploring underlying motives and a method of treating various mental disorders; based on the theories of Sigmund Freud; "his physician recommended psychoanalysis") --- WordNet end ---