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Cerebello-thalamo-cortical hyperconnectivity as a state-independent functional neural signature for psychosis prediction and characterization.

Abstract：

:Understanding the fundamental alterations in brain functioning that lead to psychotic disorders remains a major challenge in clinical neuroscience. In particular, it is unknown whether any state-independent biomarkers can potentially predict the onset of psychosis and distinguish patients from healthy controls, regardless of paradigm. Here, using multi-paradigm fMRI data from the North American Prodrome Longitudinal Study consortium, we show that individuals at clinical high risk for psychosis display an intrinsic "trait-like" abnormality in brain architecture characterized as increased connectivity in the cerebello-thalamo-cortical circuitry, a pattern that is significantly more pronounced among converters compared with non-converters. This alteration is significantly correlated with disorganization symptoms and predictive of time to conversion to psychosis. Moreover, using an independent clinical sample, we demonstrate that this hyperconnectivity pattern is reliably detected and specifically present in patients with schizophrenia. These findings implicate cerebello-thalamo-cortical hyperconnectivity as a robust state-independent neural signature for psychosis prediction and characterization.

journal_name

Nat Commun

journal_title

Nature communications

authors

Cao H,Chén OY,Chung Y,Forsyth JK,McEwen SC,Gee DG,Bearden CE,Addington J,Goodyear B,Cadenhead KS,Mirzakhanian H,Cornblatt BA,Carrión RE,Mathalon DH,McGlashan TH,Perkins DO,Belger A,Seidman LJ,Thermenos H,Tsuang MT,

doi

10.1038/s41467-018-06350-7

subject

Has Abstract

pub_date

2018-09-21 00:00:00

pages

3836

issue

1

issn

2041-1723

pii

10.1038/s41467-018-06350-7

journal_volume

9

pub_type

杂志文章

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