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A historical review of investigations on laterality of emotions in the human brain

机译:对人脑情绪横向性调查的历史综述

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Different models of emotional lateralization, advanced since the first clinical observations raised this issue, will be reviewed following their historical progression. The clinical investigations that have suggested a general dominance of the right hemisphere for all kinds of emotions and the experimental studies that have proposed a different hemispheric specialization for positive vs. negative emotions (valence hypothesis) or for approach vs. withdrawal tendencies (motivational hypothesis) will be reviewed first and extensively. This historical review will be followed by a short discussion of recent anatomo-clinical and activation studies that have investigated (a) emotional and behavioral disorders of patients with asymmetrical forms of fronto-temporal degeneration and (b) laterality effects in specific brain structures (amygdala, ventro-medial prefrontal cortex, and anterior insula) playing a critical role in different components of emotions. Overall, these studies support the hypothesis of a right hemisphere dominance for all components of the emotional system.
机译:在历史进展之后,将在历史进展之后审查自第一个临床观察以来,以自第一个临床观察提出了不同的情感横向化模型。临床调查,提出了各种情绪的右半球的一般主导地位,以及提出了不同的半球专业化对阳性情绪(价值假说)或方法与戒断趋势(激励假设)的实验研究将首先和广泛审查。此历史评论将遵循近期解剖学和激活研究的简短讨论,该研究已经研究了(a)患者的患者的患者的前后形式的患者和(b)特异性脑结构的横向影响(Amygdala ,口腔内侧前额叶皮质和前inlula)在不同的情绪组成部分中发挥着关键作用。总体而言,这些研究支持对情感系统的所有组成部分的右半球优势的假设。

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