Demaree H A, Harrison D W
Department of Psychology, Virginia Polytechnic Institute and State University, College of Arts and Science, Blacksburg 24061-0436, USA.
Neuropsychologia. 1997 Oct;35(10):1405-11. doi: 10.1016/s0028-3932(97)00053-5.
This experiment tested two hypotheses linking right cerebral arousal to hostility and physiological arousal. A replication of previous research supporting heightened physiological (systolic blood pressure, diastolic blood pressure and heart rate) reactivity among high-hostility subjects was partially successful. Hemispheric lateralization of cerebral activity in response to stress was also measured. Low- and high-hostility subjects were identified using the Cook-Medley Hostility Scale (CMHS). Physiological measures (systolic blood pressure, diastolic blood pressure and heart rate) were recorded and dichotic listening procedures were administered before and after administration of the cold-pressor paradigm. The primary finding of this research was greater right cerebral activation to stress among high-hostility subjects, as indicated by their enhanced ability to identify syllables presented to the left ear. Data further supported previous findings of heightened physiological reactivity to stress among high-hostility subjects and suggest a positive relationship between right cerebral activity and cardiovascular arousal.
本实验检验了两个将右脑唤醒与敌意及生理唤醒联系起来的假设。对先前研究的一项重复实验，该研究支持高敌意受试者具有更高的生理（收缩压、舒张压和心率）反应性，此重复实验部分成功。还测量了应激状态下大脑活动的半球偏侧化情况。使用库克-梅德利敌意量表（CMHS）来识别低敌意和高敌意受试者。记录生理指标（收缩压、舒张压和心率），并在冷加压范式前后进行双耳分听程序。本研究的主要发现是，高敌意受试者在面对压力时右脑激活程度更高，这表现为他们识别左耳呈现音节的能力增强。数据进一步支持了先前关于高敌意受试者对压力具有更高生理反应性的研究结果，并表明右脑活动与心血管唤醒之间存在正相关关系。
