冲动性
脑电图
阿片类药物使用障碍
巴雷特冲动量表
药方
海洛因
类阿片
心理学
听力学
精神科
抑制性突触后电位
静息状态功能磁共振成像
医学
大脑活动与冥想
内科学
神经科学
药理学
药品
受体
作者
Kim Corace,Renee Baysarowich,Melanie Willows,Ashley Baddeley,Nick M. A. Schubert,Verner Knott
标识
DOI:10.1016/j.pscychresns.2022.111447
摘要
Previous studies on EEG activity in prescription opioid use disorder (OUD) have reported neuronal dysfunction related to heroin use, most consistently reflected by increases in β-brain oscillations. As similar research has yet to examine EEG associated with non-medical use of prescription opioid and as inhibitory deficits are associated with OUD, this pilot study compared quantitative EEGs of 18 patients with prescription OUD and 18 healthy volunteers and assessed relationships between oscillatory activity and impulsivity with the Barratt Impulsiveness Scale (BIS-11). Spectral EEGs showed greater amplitude density in β1, β2, and β3 frequencies across frontal, temporal-central and posterior recording areas in patients. Similar abnormal amplitude density increases were seen in δ but not in θ or α frequency bands. Patients exhibited greater scores (impaired impulse control) on BIS-11 subscales (attention, motor, self-control) and impairment of these impulsive subtypes was associated with increases in β and δ oscillations. In patients, β1, β2, and δ activity was positively associated with disorder severity. Taken together, the results suggest that altered brain oscillations in persons with prescription OUD show some similarities with reported oscillatory changes in heroin use and may indicate a chronic state of imbalance in neuronal networks regulating impulsive and inhibitory control systems.
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