右脑顶叶上叶中风的无形doppelgänger与身体形象障碍:一个病例系列

Ibrain Pub Date : 2022-08-08 DOI:10.1002/ibra.12057
Emre Kumral, Fatma E. Çetin, Birgül Dere, Hüseyin N. Özdemir
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摘要

自体现象或“看不见的doppelgänger”指的是对自己身体的虚幻复制。身体形象障碍包括感知扭曲或身体意识下降。在文献中,由于急性血管病变,存在感(FOP)很少表现为局限的大脑病理,而伴随的FOP和身体形象或身体图式(BIBS)障碍也很少报道。我们报告了三例FOP和BIBS疾病。所有患者报告的症状几乎同时的两种类型:第一个病人somatoparaphrenia症的症状特点是否认的手,感觉它的所有权不属于她,第二个病人有衰落的迹象肢体出现滥用他的左手没有视觉控制时,不能精神代表,定位这个身体的一部分空间,第三个病人体;他无法定位肘部和膝盖以下的任何触碰区域。所有患者均有右顶叶缺血性病变累及顶叶上小叶,2例患者有相邻的额外的前额叶受累。根据本文的病例,除了FOP之外,BIBS也可能发生,特别是在顶叶上小叶和楔前叶的病变中。
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Invisible doppelgänger and body image disorders in right superior parietal lobule stroke, a case series

Autoscopic phenomena or an “invisible doppelgänger” refer to the illusory reduplication of one's own body. Body image disorder involves distorted perception or decreased body awareness. In the literature, feeling of presence (FOP) is rarely presented with a circumscribed cerebral pathology due to acute vascular lesions, and concomitant FOP and disorders of the body image or the body schema (BIBS) have rarely been reported. We present three cases of both FOP and BIBS disorders. All patients reported the two types of symptoms almost simultaneously: The first patient had the symptom of somatoparaphrenia characterized by deny ownership of the hand and feeling that it does not belong to her, the second patient had the sign of fading limb presented with misuse of his left hand when it was not under visual control and could not mentally represent and locate this part of the body in space, and the third patient had autotopagnosia; he was unable to localize any touched area below the elbow and knee. All patients had right parietal ischemic lesions involving the superior parietal lobule, and two patients had an adjacent additional precuneal involvement. Based on the cases presented here, it is plausible that BIBS may develop in addition to FOP, especially in lesions involving the superior parietal lobule and precuneus.

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