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Authorea Preprints

7 papers in the library · publishing 2022-2026

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BREATHING MEDITATION CONSTRICTS THE PUPIL, REDUCES EYE BLINKS AND INCREASES BLINKING DURATION

Authorea Preprints August 25, 2025 Irene Laudanna, Massimo Zancanaro, De Pisapia preprint

The study aims to investigate the physiological correlates of attention during breathing meditation by focusing on two ocular parameters: pupil diameter and blinking behavior. We recruited 35 participants (after exclusions) who were novice meditators. They completed a short-term focused attention meditation (FAM) training. In the experimental phase, participants engaged in breathing meditation...

Lucid Dreaming Frequency Predicted by Integrated Gray–White Matter Networks: A Multimodal MRI Study

Authorea Preprints August 18, 2025 De Pisapia, Stefano Mastino, Alessandro Grecucci preprint

Lucid dreaming, defined as the experience of becoming aware of dreaming while still immersed in a dream, offers a unique window into a state of consciousness characterized by a blending of the sensory vividness of REM sleep with the self-awareness of wakefulness. While past functional imaging has shed light on the neural activity supporting lucid dreaming, the structural brain correlates of...

jabbrv-ltwa-all.ldf jabbrv-ltwa-en.ldf Characteristics of sleep paralysis (SP) and its association with PTSD, stress and other lifestyle variables among the population of Pakistan, a cross-sectional study.

Authorea Preprints June 26, 2025 Alishba Javaid, Rabi Jan, Afifa Khan et al. preprint

Backgrounds: : Sleep paralysis is a parasomnia disorder connected to being unable to move your body though the experiencing person remains conscious. Factors involving this disorder are: stress, PTSD, lifestyle factors including the amount of sleep, and the amount of caffeine consumed. Our study aim is to assess the symptoms, duration, time of occurrence and body position during SP episodes and...

GAMMA OSCILLATIONS AND NEAR-DEATH EXPERIENCES

Authorea Preprints September 10, 2024 Calixto Machado preprint

Recent studies have indicated that there is an increment in EEG gamma activity following cardiac arrest. Gamma oscillations, which are high-frequency brain waves (30-90 Hz), have been linked to various cognitive functions and states of consciousness. The synchronous firing of neurons in the gamma-band has been proposed to bind multiple features of an object. These results recalled me that...

Mindfulness-Based Stress Reduction for Posttraumatic Stress Disorder Symptoms, emotional exhaustion and coping styles of Emergency Nurses: A Randomized Clinical Trial

Authorea Preprints March 23, 2024 Wei Sun, Yuan Yuan, Yushu Wang et al. preprint

Background: Post-traumatic stress disorder (PTSD) is one of the most prevalent mental health issues among emergency nurses, particularly in the aftermath of the COVID-19 pandemic. However, there is a scarcity of empirical studies on improving PTSD and related symptoms. Objective: To investigate the effectiveness of the mindfulness-based stress reduction (MBSR) program in reducing PTSD symptoms,...

Clinical Prediction Models of Severe Cancer-Related Fatigue in Cervical Cancer Patients and Effectiveness of Mindfulness-Based Stress Reduction: A Randomized Controlled Trial

Authorea Preprints December 20, 2022 ZhiHui Gu, ChenXin Yang, Ke Zhang et al. preprint

Objective: To build a clinical prediction models (CPMs) for severe CRF of cervical cancer (CC) patients, and conduct online 8-week mindfulness-based stress reduction (MBSR). Design Single-centre, cross-sectional, randomized controlled trial. Setting Gynecological clinic of a tertiary hospital in Shenyang. Population 284 patients, and 100 patients with severe CRF included in randomized...