15,502 research outputs found

    Contextual Cognitive Map

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    The model of cognitive maps introduced by Tolman [1] provides a representation of an influence network between notions. A cognitive map can contain a lot of influences that makes difficult its exploitation. Moreover these influences are not always relevant for different uses of a map. This paper extends the cognitive map model by describing the validity context of each influence with a conceptual graph. A filtering mechanism of the influences according to a use context is provided so as to obtain a simpler and more adjusted map for a user. A prototype that implements this model of contextual cognitive map has been developed

    Using Wii technology to explore real spaces via virtual environments for people who are blind

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    Purpose - Virtual environments (VEs) that represent real spaces (RSs) give people who are blind the opportunity to build a cognitive map in advance that they will be able to use when arriving at the RS. Design - In this research study Nintendo Wii based technology was used for exploring VEs via the Wiici application. The Wiimote allows the user to interact with VEs by simulating walking and scanning the space. Finding - By getting haptic and auditory feedback the user learned to explore new spaces. We examined the participants' abilities to explore new simple and complex places, construct a cognitive map, and perform orientation tasks in the RS. Originality – To our knowledge, this finding presents the first virtual environment for people who are blind that allow the participants to scan the environment and by this to construct map model spatial representations

    Topological Schemas of Memory Spaces

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    Hippocampal cognitive map---a neuronal representation of the spatial environment---is broadly discussed in the computational neuroscience literature for decades. More recent studies point out that hippocampus plays a major role in producing yet another cognitive framework that incorporates not only spatial, but also nonspatial memories---the memory space. However, unlike cognitive maps, memory spaces have been barely studied from a theoretical perspective. Here we propose an approach for modeling hippocampal memory spaces as an epiphenomenon of neuronal spiking activity. First, we suggest that the memory space may be viewed as a finite topological space---a hypothesis that allows treating both spatial and nonspatial aspects of hippocampal function on equal footing. We then model the topological properties of the memory space to demonstrate that this concept naturally incorporates the notion of a cognitive map. Lastly, we suggest a formal description of the memory consolidation process and point out a connection between the proposed model of the memory spaces to the so-called Morris' schemas, which emerge as the most compact representation of the memory structure.Comment: 24 pages, 8 Figures, 1 Suppl. Figur

    Individual Differences in Cognitive Flexibility and Cognitive Map Accuracy

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    Research has demonstrated broad individual differences in the ability to form a cognitive map of a novel environment. The current study investigated whether individual differences in cognitive map accuracy are driven by differences in cognitive flexibility specifically, the ability to switch between tasks. Using the Silcton virtual environment, participants explored four routes in Silcton and were assessed on cognitive map accuracy using the Silcton onsite pointing task and the Silcton model building task. To assess task-switching, perseveration error from the Wisconsin Card Sort Test (WCST) was measured. There was a significant correlation between the WCST and the onsite pointing task, such that low perseveration error lead to better cognitive map accuracy. Therefore, the current study is the first to reveal an association between cognitive flexibility in the form of task-switching and individual differences in cognitive map accuracy

    Cognitive Map Ability of Elementary School Students In terms of Gender

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    The present study aimed to find out the cognitive map ability difference between male and female students in Elementary School X in Malang City. The present study employed quantitative approach with comparative design. The subject of the study was 331 students, they were selected by using purposive sampling technique. The instrument of the study was achievement test. The data were analyzed using chi-square. The result of the study showed no difference in terms of cognitive map between male and female students. This may occur since the male and female students possessed equal opportunity and need to learn their school environment. Although gender did not emerge as a variable determining the difference of Cognitive Map ability, the aspect that still becomes the determiner of the individuals’ cognitive map ability difference is experience, which the present study referred to Grade and Age difference. The higher the grade and the older the age, the better the cognitive map ability the elementary school students possessed. The school counselor can utilize the result of this study as a reference in developing guidance and counseling program for developing cognitive map ability for male and female elementary school students

    Individual Differences in the Allocation of Visual Attention during Navigation

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    There are large individual differences in the ability to create an accurate mental representation (i.e., a cognitive map) of a novel environment, yet the factors underlying cognitive map accuracy remain unclear. Given the roles that landmarks and cognitive map accuracy play in successful navigation, the current study examined whether differences in the landmarks that individuals look at while navigating are related to differences in cognitive map accuracy. Participants completed a battery of spatial tests: some that assessed spatial skills prior to a navigation task, and others that tested memory for the environment following exploration of a virtual world. Results indicated that individuals with inaccurate maps had weak perspective-taking abilities, struggled to create shortcuts, and remembered fewer landmarks despite having looked at target buildings and objects in the environment for the same duration as individuals with accurate cognitive maps. These findings suggest that memory capabilities underlie differences in cognitive map accuracy

    The ingredients of an exosomatic cognitive map: isovists, agents and axial lines?

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    There is some evidence that an axial map, as used in space syntax, may be related to an underlying cognitive map in humans. However, the axial map is derived strictly from the mathematical configuration of space rather than any property of people. Hence there is a question of how a person might have embedded such a map. In this paper we report the results of several experiments which aim to improve the correlation between agent and pedestrian movement.We use a database of external occlusion points derived from isovists constructed throughout the system to provide a lookup table for agents to guide their movement. Since the table is external to the agents, we refer to the visual architecture as exosomatic. The results do improve on previous studies, but are still far from a good simulation of pedestrian movement. However, there is a philosophically important outcome from the experiments. When the agents are tuned to best performance, their movement patterns correspond to the axial structure of the system. This can be shown to be a mathematical result of their movement strategy; that is, the manifestation of movement, or the `memory' of an agent experiment, relates to the combination of the internal structure of the agent and its engagement with the environment in the form of an axial map. There are two unresolved steps from the relationship between individual and environment to human cognition: one, it cannot be shown that people do actually use occlusion points for movement, and two, even if they were to, it cannot be shown that they would use the resultant axial structure for higher level navigation decisions. Nevertheless, our results do provide evidence for a link between the individual and the axial map through embodiment of an agent-environment system, and our theory provides a mechanism for a link between the embodied map and preconditions for cognitive structure, which may in turn provide a basis for the future research into the means by which space syntax may be related to spatial cognition

    A cognitive map in a poison frog

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    © 2019. Published by The Company of Biologists Ltd A fundamental question in cognitive science is whether an animal can use a cognitive map. A cognitive map is a mental representation of the external world, and knowledge of one’s place in this world, that can be used to determine efficient routes to any destination. Many birds and mammals are known to employ a cognitive map, but whether other vertebrates can create a cognitive map is less clear. Amphibians are capable of using beacons, gradients and landmarks when navigating, and many are proficient at homing. Yet only one prior study directly tested for a cognitive map in amphibians, with negative results. Poison frogs exhibit unusually complex social and spatial behaviors and are capable of long-distance homing after displacement, suggesting that they may be using complex spatial navigation strategies in nature. Here, we trained the poison frog Dendrobates auratus in a modified Morris water maze that was designed to suppress thigmotaxis to the maze wall, promoting exploration of the arena. In our moat maze, the poison frogs were able to use a configuration of visual cues to find the hidden platform. Moreover, we demonstrate that they chose direct paths to the goal from multiple random initial positions, a hallmark of a cognitive map. The performance of the frogs in the maze was qualitatively similar to that of rodents, suggesting that the potential to evolve a cognitive map is an evolutionarily conserved trait of vertebrates
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