Paranoia and Delusional Suspicion: Neurocognitive Mechanisms, Clinical Causes, and Evidence-Based Interventions
Paranoia refers to persistent, excessive, and often unfounded suspicion that others intend harm, deceive, or threaten the person’s safety or status. Clinically, it spans a spectrum from transient suspiciousness (often stress-related) to fixed delusional beliefs that meet criteria for psychotic-spectrum disorders. Although lay language uses “paranoia” loosely, modern psychiatric assessment distinguishes between (1) insight-preserved suspiciousness,… Read More »