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Corticolimbic network perturbations in early psychosis: an arterial spin labelling and Ro15-4513 positron emission tomography study

2025-09-12 psychiatry and clinical psychology Title + abstract only
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BackgroundHippocampal hyperactivity in early psychosis may result from excitation-inhibition imbalance within corticolimbic regions. Preclinical evidence suggests that positive allosteric modulation of hippocampal inhibitory 5-{gamma}-aminobutyric acid receptors (5-GABAAR) attenuates hippocampal hyperactivity, striatal hyperdopaminergia, and psychosis-relevant behaviours. Here, we investigated whether hippocampal hyperactivity and 5-GABAAR network covariance are perturbed in people at clinical h...

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