Always Getting Lost: Defining Developmental Topographical Disorientation (DTD)-A Systematic Literature Review.

IF 5.4 2区 心理学 Q1 NEUROSCIENCES
Ineke J M van der Ham, Michiel H G Claessen
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引用次数: 0

Abstract

Developmental topographical disorientation (DTD) refers to a condition of highly impaired navigation ability in healthy individuals. DTD often leads to severe consequences in daily life, affecting education and professional choices and limited everyday mobility. Since its first description in 2009, a substantial number of empirical studies on DTD have appeared, but a clear clinical definition of DTD that can be used to develop a behavioral assessment tool is not yet available. The aim of the current study was to shed more light on the precise behavioral characteristics of DTD by examining the empirical evidence available to date. Recent theoretical developments that enable the classification of navigation impairment in various populations are utilized in the current work. Through a systematic literature review, reported descriptions and criteria for DTD were identified. Furthermore, tests included and performance of people with DTD are classified in the different navigation domains relevant to navigation impairment (landmark knowledge; location knowledge, egocentric and allocentric; and path knowledge, route and survey). A total of 15 empirical papers were included in the analyses, each discussing performance of people with DTD in large-scale spatial tasks. Initial DTD descriptions focused on mental map quality, whereas later work adheres to a more general definition of impaired navigation. Performance patterns show that the navigation impairment in DTD is largely attributable to low mental map quality, as low performance is primarily found for tasks measuring allocentric location knowledge and path knowledge. In contrast, landmark knowledge remains largely unaffected and, if impaired, appears to also include face recognition impairment, suggesting a more general form of visual agnosia. Egocentric location knowledge is often not included in assessments. The outcomes support the initial focus on poor mental map quality as the key characteristic of DTD, combined with a landmark-focused navigation strategy. The current findings therefore provide relevant input to the development of a clinical characterization of DTD and the development of appropriate assessment tools.

总是迷路:定义发展性地形定向障碍(DTD)-系统的文献综述。
发展性地形定向障碍(Developmental topical disorientation, DTD)是指健康人导航能力严重受损的一种状况。DTD常常在日常生活中导致严重的后果,影响教育和职业选择,限制日常活动。自2009年首次描述DTD以来,已经出现了大量关于DTD的实证研究,但DTD的明确临床定义尚不能用于开发行为评估工具。当前研究的目的是通过检查迄今为止可用的经验证据,更清楚地说明DTD的精确行为特征。在当前的工作中利用了最近的理论发展,使导航障碍在不同人群中分类。通过系统的文献回顾,确定了DTD的描述和标准。此外,将DTD患者的测试和表现划分为与导航障碍相关的不同导航域(地标性知识;位置知识:自我中心与非自我中心;和路径知识,路线和调查)。共有15篇实证论文被纳入分析,每篇论文都讨论了DTD患者在大规模空间任务中的表现。最初的DTD描述侧重于心理地图质量,而后来的工作则坚持对受损导航的更一般定义。性能模式表明,DTD中的导航缺陷很大程度上归因于较低的心理地图质量,因为主要在测量非中心位置知识和路径知识的任务中发现较低的性能。相比之下,地标性知识在很大程度上没有受到影响,如果受损,似乎也包括面部识别障碍,这表明一种更普遍的视觉失认症。自我中心的位置知识通常不包括在评估中。结果支持最初将糟糕的心理地图质量作为DTD的关键特征,并结合以地标为中心的导航策略。因此,目前的研究结果为DTD临床特征的发展和适当评估工具的发展提供了相关的输入。
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来源期刊
Neuropsychology Review
Neuropsychology Review 医学-神经科学
CiteScore
11.00
自引率
1.70%
发文量
36
期刊介绍: Neuropsychology Review is a quarterly, refereed publication devoted to integrative review papers on substantive content areas in neuropsychology, with particular focus on populations with endogenous or acquired conditions affecting brain and function and on translational research providing a mechanistic understanding of clinical problems. Publication of new data is not the purview of the journal. Articles are written by international specialists in the field, discussing such complex issues as distinctive functional features of central nervous system disease and injury; challenges in early diagnosis; the impact of genes and environment on function; risk factors for functional impairment; treatment efficacy of neuropsychological rehabilitation; the role of neuroimaging, neuroelectrophysiology, and other neurometric modalities in explicating function; clinical trial design; neuropsychological function and its substrates characteristic of normal development and aging; and neuropsychological dysfunction and its substrates in neurological, psychiatric, and medical conditions. The journal''s broad perspective is supported by an outstanding, multidisciplinary editorial review board guided by the aim to provide students and professionals, clinicians and researchers with scholarly articles that critically and objectively summarize and synthesize the strengths and weaknesses in the literature and propose novel hypotheses, methods of analysis, and links to other fields.
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