Psychophysiological Changes in Individuals With Repetitive Negative Thinking During Idleness And on Assigning A Cognitive Task: A Biofeedback-Based Comparative Study
Background: Repetitive negative thinking (RNT) is a transdiagnostic cognitive process implicated in anxiety, depressive, and adjustment disorders, and is linked to autonomic dysregulation and reduced heart rate variability. Whether a brief, task-based biofeedback session can shift these physiological and subjective ind...