Ottaviani Cristina, Medea Barbara, Lonigro Antonia, Tarvainen Mika, Couyoumdjian Alessandro
IRCCS Santa Lucia Foundation, Rome, Italy.
Department of Psychology, Sapienza University of Rome, Italy.
Biol Psychol. 2015 Apr;107:24-30. doi: 10.1016/j.biopsycho.2015.02.011. Epub 2015 Mar 6.
Mind wandering (MW) can be persistent and therefore has been included in the repetitive thinking conceptualization. In line with a dimensional view of psychopathology, we hypothesized the existence of a MW-Perseverative Cognition (PC) continuum, where the latter is characterized by a rigid and defensive pattern with attentional, behavioral, affective, and autonomic perseverative manifestations. Ambulatory heart rate (HR) and variability (HRV) of 42 participants were recorded for 24h. Approximately every 30 min during waking, subjects reported their ongoing thoughts and moods using electronic diaries. MW was characterized by less effort to inhibit the thought and less interference with ongoing activities, absence of mood worsening, and higher HRV compared to PC. Worse sleep quality was predicted by higher levels of trait rumination and daily PC. Results suggest that MW and PC represent the functional and pathological ends of a continuum, respectively.
思维游荡（MW）可能具有持续性，因此已被纳入反复思考的概念范畴。根据精神病理学的维度观点，我们假设存在一个MW - 强迫性认知（PC）连续体，其中后者的特征是具有一种僵化且防御性的模式，伴有注意力、行为、情感和自主神经方面的强迫性表现。记录了42名参与者24小时的动态心率（HR）和心率变异性（HRV）。在清醒期间，大约每隔30分钟，受试者使用电子日记记录他们当下的想法和情绪。与PC相比，MW的特征在于抑制思维的努力较少、对正在进行的活动干扰较少、情绪无恶化以及HRV较高。特质性沉思和日常PC水平较高预示着睡眠质量较差。结果表明，MW和PC分别代表了一个连续体的功能性和病理性端点。
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