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Melancholy anhedonia apathy: the search for separable behaviors and neural circuits in depression

机译:忧郁快感冷漠:寻找抑郁症中可分离的行为和神经回路

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摘要

Major depressive disorder can manifest as different combinations of symptoms, ranging from a profound and incapacitating sadness, to a loss of interest in daily life, to an inability to engage in effortful, goal-directed behavior. Recent research has focused on defining the neural circuits that mediate separable features of depression in patients and preclinical animal models, and connections between frontal cortex and brainstem neuromodulators have emerged as candidate targets. The development of methods permitting recording and manipulation of neural circuits defined by connectivity has enabled the investigation of prefrontal-neuromodulatory circuit dynamics in animal models of depression with exquisite precision, a systems-level approach that has brought new insights by integrating these fields of depression research.
机译:严重的抑郁症可以表现为不同的症状组合,从深刻而无能的悲伤到对日常生活的兴趣消失,到无法进行刻板的,目标明确的行为。最近的研究集中在定义介导患者和临床前动物模型中抑郁症可分离特征的神经回路,额叶皮层和脑干神经调节剂之间的联系已成为候选目标。允许记录和操纵由连通性定义的神经回路的方法的开发,使得能够以非常精确的精度研究抑郁症动物模型中的前额叶-神经调节回路动力学,这是一种系统级方法,通过整合这些抑郁症研究领域带来了新见解。

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