Abstract
Benzodiazepines, such as lorazepam, are commonly used to treat anxiety. The pharmacological mechanism of action of benzodiazepines is well understood; however, it remains unclear which neural networks and systems are involved during resting-state functional connectivity. The objective of this study is to investigate the effects of lorazepam administration (12 hours or less prior to rsMRI) compared to non-lorazepam during the resting state in patients with psychosis. We focused our analyses on the effects of lorazepam on corticostriatal connectivity, as we have previously demonstrated that a specific pattern of striatal connectivity, the striatal connectivity index (SCI; Sarpal et al., 2016), was related to antipsychotic drug response.
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