Postencephalitic Proper- and Common-name Anomia, Alexia With Agraphia, and Mild Semantic Deficit due to Left Anterior Temporal Lobe Lesion.

IF 1.3 4区 医学 Q4 BEHAVIORAL SCIENCES
Yasuhisa Sakurai, Yuko Ishizaka
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引用次数: 0

Abstract

Here we report the case of an individual who developed proper- and common-name anomia with no category specificity, alexia with agraphia for kanji (Japanese morphograms), and mild verbal and semantic memory impairment after unilateral herpes simplex encephalitis. Although their common-name anomia, alexia with agraphia, and semantic memory impairment resolved within 2 years, this individual continued to experience proper-name anomia and verbal memory impairment. Encephalitic damage was limited to the left anterior temporal lobe (ATL), amygdala, hippocampus, and parahippocampal gyrus, sparing the mid-fusiform and posterior inferior temporal gyri. Although ATL lesions are not typically associated with semantic memory impairment, we suggest that damage to the left ATL can result in both proper- and common-name anomia, as was evident in the current case. In these cases, proper-name anomia may be more severe and persistent than common-name anomia, which may be mild and significantly improved within several years. In cases of semantic memory deficits, persistent common-name anomia, and severe alexia with agraphia, there is typically more extensive involvement of the temporal lobe than seen in the current case, including the mid-fusiform and posterior inferior temporal gyri.

左前颞叶病变引起的脑后性名称异常、失读症伴失写症和轻度语义缺陷。
在此,我们报告一例单侧单纯疱疹脑炎后出现无类别特异性的专有名称和常用名称命名障碍、日语形态失读症和轻度言语和语义记忆障碍的病例。尽管他们的常名失语症、失读性失写症和语义性记忆障碍在两年内得到了解决,但这个人仍然经历着专有名失语症和言语记忆障碍。脑损伤局限于左侧前颞叶(ATL)、杏仁核、海马和海马旁回,保留了中梭状回和后下颞回。虽然ATL病变通常与语义记忆障碍无关,但我们认为左侧ATL损伤可导致专有名称和常用名称异常,正如本病例所示。在这些情况下,专有名称失范可能比普通名称失范更严重和持久,后者可能是轻微的,并在几年内显著改善。在语义记忆缺陷、持续性共同名称失语症和严重失读症合并失写症的病例中,颞叶的受累范围通常比本病例更广泛,包括中梭状回和后颞下回。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
CiteScore
2.40
自引率
7.10%
发文量
68
审稿时长
>12 weeks
期刊介绍: Cognitive and Behavioral Neurology (CBN) is a forum for advances in the neurologic understanding and possible treatment of human disorders that affect thinking, learning, memory, communication, and behavior. As an incubator for innovations in these fields, CBN helps transform theory into practice. The journal serves clinical research, patient care, education, and professional advancement. The journal welcomes contributions from neurology, cognitive neuroscience, neuropsychology, neuropsychiatry, and other relevant fields. The editors particularly encourage review articles (including reviews of clinical practice), experimental and observational case reports, instructional articles for interested students and professionals in other fields, and innovative articles that do not fit neatly into any category. Also welcome are therapeutic trials and other experimental and observational studies, brief reports, first-person accounts of neurologic experiences, position papers, hypotheses, opinion papers, commentaries, historical perspectives, and book reviews.
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