Interoceptive sensitivity (IS): (A) Heartbeat Detection Task (HBD). The Accuracy Index can vary between 0 and 1, with higher scores indicating better accuracy. No differences were found between groups in any condition. Metacognitive interoception (MI): (B) The BSQ indexes the level of worry about body sensations and the PCI assesses cognitions about threatening impact of anxiety bodily symptoms. Both questionnaires yielded significant differences between groups. Vertical bars indicate standard deviations and asterisks signal significant differences.