【2h】

A neurophenomenological model for the role of the hippocampus in temporal consciousness. Evidence from confabulation

机译:海马在时间意识中的作用的神经现象学模型。伪造的证据

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摘要

Confabulation, the production of statements or actions that are unintentionally incongruous to the subject’s history, background, present and future situation, is a rather infrequent disorder with different aetiologies and anatomical lesions. Although they may differ in many ways, confabulations show major similarities. Their content, with some minor exceptions, is plausible and therefore indistinguishable from true memories, unless one is familiar with the patient’s history, background, present and future situation. They extend through the whole individuals’ temporality, including their past, present and future. Accordingly, we have proposed that rather than a mere memory disorder; confabulation reflects a distortion of Temporal Consciousness (TC), i.e., a specific form of consciousness that allows individuals to locate objects and events according to their subjective temporality. Another feature that confabulators share is that, regardless of their lesion’s location, they all have a relatively preserved hippocampus (Hip), at least unilaterally. In this article, we review data showing differences and similarities among forms of confabulation. We then describe a model showing that the hippocampus is crucial both for the normal functioning of TC and as the generator of confabulations, and that different types of confabulation can be traced back to a distortion of TC resulting from damage or disconnection of brain areas directly or indirectly connected to the hippocampus. We conclude by comparing our model with other models of memory and confabulation.
机译:虚假陈述,言语或行为的产生与受试者的历史,背景,现在和将来的状况无意识地不一致,是一种很少见的疾病,具有不同的病因和解剖学病变。尽管它们可能在许多方面有所不同,但是捏造显示出主要的相似之处。除非有人熟悉患者的病史,背景,现在和将来的情况,否则它们的内容(除了少数例外)是合理的,因此与真实的记忆没有区别。它们延伸到整个个体的时间性,包括他们的过去,现在和未来。因此,我们提出了这一点,而不仅仅是记忆障碍。虚构反映了时间意识(TC)的扭曲,即一种特定形式的意识,它允许个人根据其主观时间性来定位对象和事件。制造商共有的另一个功能是,无论病变位置在哪里,它们至少在单方面都具有相对保存完好的海马(Hip)。在本文中,我们回顾了显示捏造形式之间差异和相似性的数据。然后,我们描述了一个模型,该模型表明海马对于TC的正常功能和作为虚构的产生者都是至关重要的,并且不同类型的虚构可以追溯到TC的畸变,该畸变是由大脑区域的直接或间接损坏或断开引起的间接连接到海马体。我们通过将我们的模型与其他内存和虚构模型进行比较来得出结论。

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