Developmental topographical disorientation (DTD) refers to a lifelong impairment in spatial navigation that occurs in otherwise cognitively normal individuals, without any history of acquired brain injury or neurological disease. Owing to its high specificity to navigational dysfunction, DTD provides a unique model for isolating the core cognitive components of spatial navigation and exploring its developmental mechanisms. Despite growing empirical interest, the literature on DTD remains fragmented, with considerable heterogeneity in case definitions, assessment protocols, and reported cognitive phenotypes. This review aims to systematically synthesize the evidence accumulated over the past fifteen years to characterize the core cognitive and genetic features of DTD.

To this end, we examined studies that specifically investigated individuals with DTD since the first case was reported. The included literature encompassed both detailed single-case reports, which provide rich neuropsychological characterization, and group studies that mainly utilized questionnaire-based screening tools or behavioral paradigms to identify common cognitive patterns. We organized the findings of these studies focusing on cognitive performance across multiple levels of spatial knowledge, including landmark recognition, route learning, and cognitive map formation, with particular attention to the distinction between egocentric and allocentric spatial representations. Given the methodological heterogeneity, we prioritized a narrative synthesis that highlights convergent findings while identifying key points of divergence.

Existing evidence reveals a consistent and hierarchical pattern of cognitive deficits in individuals with DTD. The most prominent impairment involves the formation and flexible use of a cognitive map, corresponding to deficient survey knowledge. Nearly all cases exhibit severe difficulties in deriving an allocentric spatial representation of new environments. A substantial proportion of affected individuals also demonstrate concurrent deficits in route knowledge, manifesting as difficulty retracing previously traveled paths. Impairments in map-based navigation tasks are also observed in several cases, which may reflect a specific deficit in translating between egocentric and allocentric reference frames. In contrast, isolated difficulty in landmark recognition appears relatively rare. At the genetic level, familial aggregation studies indicate that first-degree relatives of individuals with DTD are more likely to experience similar navigational difficulties. Furthermore, a subset of DTD cases presents with comorbid developmental prosopagnosia, suggesting potential shared neurodevelopmental abnormalities.

Taken together, these findings suggest that DTD is characterized by atypical development of the cognitive systems that support spatial representation and navigation. Impaired cognitive map formation is consistently identified as the core phenotype of DTD. The evidence from familial aggregation and comorbidity further points to potential neurodevelopmental abnormalities underlying this condition, though the specific genetic underpinnings remain to be clarified. At the same time, this synthesis also revealed several outstanding issues. First, standardized diagnostic criteria are needed to reduce sample heterogeneity across studies. Additionally, the neural and genetic contributions to this neurodevelopmental condition await systematic exploration. Progress on these fronts may not only refine the characterization of DTD but also inform broader principles governing the development of human spatial cognition.

Beyond research considerations, the findings also have significant practical implications. For clinical practitioners, a comprehensive account of the disorder's behavioral profile and genetic predispositions may facilitate differential diagnosis, distinguishing navigational impairment from more generalized deficits in memory or attention. For the general population, awareness of DTD may foster a more nuanced understanding of navigational difficulty, particularly in children, thereby mitigating the tendency to attribute such behaviors to inattention or lack of effort. For individuals who recognize themselves in the symptoms described, this synthesis may provide a framework for interpreting their lifelong difficulties, reduce unwarranted self-criticism, and encourage timely neuropsychological consultation and access to evidence-based guidance.