basic disturbances of information processing in psychosis prediction
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ID: 209191
2013
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Abstract
The basic symptoms (BS) approach provides a valid instrument in predicting psychosis onset and represents moreover a significant heuristic framework for research. The term ‘basic symptoms’ denotes subtle changes of cognition and perception in the earliest and prodromal stages of psychosis development. BS are thought to correspond to disturbances of neural information processing. Following the heuristic implications of the BS approach, the present paper aims at exploring disturbances of information processing, revealed by fMRI and EEG as characteristics of the at-risk state of psychosis. Furthermore, since high-risk studies employing UHR criteria revealed non-conversion rates commonly exceeding 50%, thus warranting approaches that increase specificity, the potential contribution of neural information processing disturbances to psychosis prediction is reviewed. In summary, the at-risk state seems to be associated with information processing disturbances. Moreover, fMRI investigations suggested that disturbances of language processing domains might be a characteristic of the prodromal state. Neurophysiological studies revealed that disturbances of sensory processing may assist psychosis prediction in allowing for a quantification of risk in terms of magnitude and time. The latter finding represents a significant advancement since an estimation of the time to event has not yet been achieved by clinical approaches. Some evidence suggests a close relationship between self-experienced BS and neural information processing. With regard to future research, the relationship between neural information processing disturbances and different clinical risk concepts warrants further investigations. Thereby,a possible time sequence in the prodromal phase might be of particular interest.
| Reference Key |
ebodatsch2013frontiersbasic
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|---|---|
| Authors | ;Mitja eBodatsch;Joachim eKlosterkötter;Ralf eMüller;Stephan eRuhrmann |
| Journal | journal of experimental psychology general |
| Year | 2013 |
| DOI |
10.3389/fpsyt.2013.00093
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| URL | |
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