OBJECTIVE Cannabis use is a known risk factor for psychosis, but it remains unclear whether cannabis-associated psychosis (CAP) differs meaningfully from non-cannabis-associated psychosis (NCAP) in clinical presentation, biology, or illness course. The objective of this study was to characterize the presentation and course of first-episode psychosis with and without cannabis exposure. METHODS...
The balance between excitatory and inhibitory (E/I) activity is critical for brain function, and its disruption is implicated in neuropsychiatric disorders. Electrophysiological signals can be decomposed into periodic (oscillatory) and aperiodic components. In the power spectrum, the periodic component appears as narrowband peaks, while the aperiodic component underlies its characteristic 1 / f...