Spatial cognition is concerned with the acquisition, organization, utilization, and revision of knowledge about spatial environments. These capabilities enable humans to manage basic and high-level cognitive tasks in everyday life. Numerous disciplines (such as Psychology, Geographic Information Science, Artificial Intelligence, Cartography, etc.) work together to understand spatial cognition in humans and in technical systems. Spatial cognition studies have helped to link cognitive psychology and neuroscience together. Scientists in both fields work together to figure out what role spatial cognition plays in the brain as well as the neurobiological infrastructure that surrounds it. It has been found that neurological and neuropsychological problems are linked to a difference in spatial behavior. Spatial contextual awareness Sense of direction Space mapping Denis, Michel & Loomis, Jack. Perspectives on Human Spatial Cognition: Memory, Navigation, and Environmental Learning. Psychological ...
The Spatial Cognition conferences form a series of biannual interdisciplinary events dedicated to all aspects of intelligent spatial information processing in humans and technical systems. The series originated from various workshops and colloquia that have been organized in the framework of the Spatial Cognition Priority Program that has been funded by the German Research Foundation (DFG) from 1996 to 2002. The first Spatial Cognition conference proper in this series was held in 2004. All conferences, as well as the above-mentioned workshops have been documented in the Spatial Cognition book series published in the Springer Lecture Notes in Artificial Intelligence (LNAI) series.. ...
In epigeic rodents, familiar landmarks exert primary control over a variety of spatial behaviors and related neural mechanisms (OKeefe and Nadel, 1978; Taube et al., 1990; Taube and Burton, 1995; Dudchenko et al., 1997; Sharp et al., 2001; Sharp, 2002). Nevertheless, a directional sense that is not linked to visual landmarks also appears to play a central role in many aspects of rodent spatial behavior and cognition (e.g. Knierim et al., 1995; Skinner et al., 2010; van der Meer et al., 2010). Species such as rats show a remarkable ability to place neural representations of different surroundings into register. When rats are transferred to an unfamiliar laboratory enclosure, directional properties of, for example, head direction cells and subicular place cells typically retain the same absolute alignment (Sharp and Green, 1994; Knierim et al., 1995; Taube and Burton, 1995; Dudchenko et al., 1997; Sharp, 1997; Sharp, 2002; Sharp et al., 2001), suggesting that these properties are transferred to ...
Research in Spatial Cognition investigates the acquisition, organization, utilization and revision of information about real and abstract spatial environments by human beings and in technical systems. Examples for such system are mobile robots, but also mobile communication paradigms. The Bremen Spatial Cognition Center (BSCC) is an interdisciplinary research institute at the University of Bremen, Germany. It succeeds the Transregional Collaborative Research Center SFB/TR 8 Spatial Cognition which has been funded by the German Research Foundation (DFG) from 2003-2014.. The BSCC is located in the Cartesium building on campus. Follow us on ...
Abstract. Spatial cognition has been well examined using various psychological perspectives. Here we suggest that this previous research can be utilized to provide insight into source-code navigation and program comprehension. In our model, code represents an abstract space that must be navigated using the same cognitive strategies as for natural environments. Thus, when navigating codespace computer programmers face many of the same challenges as people navigating within the real world, and consequently, will likely rely on similar skills and strategies. In support of this observation, we explore from a theoretical perspective the use of spatial cognition during program comprehension. Examination reveals that research in spatial cognition provides, albeit currently unproven, explanations for programmer behaviours during program comprehension activities. To validate our model, we suggest a preliminary experiment to explore the existence of codespace.. ...
The remainder of the week was filled with keynote addresses, invited talks - one of which was presented by SILCs Nora Newcombe - student poster sessions, and student paper presentations. Corinne Holmes, a SILC graduate student at Temple University, found the student paper presentations to be especially helpful. She stated, "As a current project of mine enters the final stages, Im in the process of developing a series of follow-up studies, one of which was going to examine the effect of physical rotation and perspective taking on spatial memory for imagined inter-object locations. Adamantini Hatzipanayioti presented a paper on just that, ultimately saving me from conducting a study that has already been done. This example embodies why Spatial Cognition is such a valuable resource for both upcoming and established researchers - it makes currently unpublished research public within the spatial cognition community." Another SILC graduate student from Temple University, Steven Weisberg, found the ...
The remainder of the week was filled with keynote addresses, invited talks - one of which was presented by SILCs Nora Newcombe - student poster sessions, and student paper presentations. Corinne Holmes, a SILC graduate student at Temple University, found the student paper presentations to be especially helpful. She stated, "As a current project of mine enters the final stages, Im in the process of developing a series of follow-up studies, one of which was going to examine the effect of physical rotation and perspective taking on spatial memory for imagined inter-object locations. Adamantini Hatzipanayioti presented a paper on just that, ultimately saving me from conducting a study that has already been done. This example embodies why Spatial Cognition is such a valuable resource for both upcoming and established researchers - it makes currently unpublished research public within the spatial cognition community." Another SILC graduate student from Temple University, Steven Weisberg, found the ...
The Spatial Intelligence and Learning Center (SILC) is collaborating with a network of international partners in establishing a multidisciplinary Thematic Network in Spatial Cognition (TNSC). Once fully established, the TNSC would involve cooperating institutions from around the world, organized into national networks. Each national network would have a lead institution within its country. SILC, headquartered at Temple University, is serving as the organizational lead for the TNSC in the United States through 2015. In Germany, the TNSC is currently headquartered at the University of Bremen, and also involves the Universities of Freiburg, Giessen, Münster, and Weimar. The Australian Research Network on Spatial Cognition is currently headquartered at the University of Melbourne, and the British network at the University of Leeds. The full structure potentially involves many countries and can be seen below.. The overall aim of the Thematic Network is to establish an interdisciplinary scientific ...
The Spatial Intelligence and Learning Center (SILC) is collaborating with a network of international partners in establishing a multidisciplinary Thematic Network in Spatial Cognition (TNSC). Once fully established, the TNSC would involve cooperating institutions from around the world, organized into national networks. Each national network would have a lead institution within its country. SILC, headquartered at Temple University, is serving as the organizational lead for the TNSC in the United States through 2015. In Germany, the TNSC is currently headquartered at the University of Bremen, and also involves the Universities of Freiburg, Giessen, Münster, and Weimar. The Australian Research Network on Spatial Cognition is currently headquartered at the University of Melbourne, and the British network at the University of Leeds. The full structure potentially involves many countries and can be seen below.. The overall aim of the Thematic Network is to establish an interdisciplinary scientific ...
Over the past five decades spatial behavior has been a subject of research interest in psychology and neuroscience, in part based on philosophical theories of mental spatial representations. In order to continue uncovering ...
Authors: Leseduarte, M.C. , Quintanilla, R. Article Type: Research Article Abstract: In this paper we investigate the asymptotic spatial behavior of the solutions for several models for the nerve fibers. First, our analysis deals with the coupling of two parabolic equations. We prove that, under suitable assumptions on the coefficients and the nonlinear function, the decay is similar to the one corresponding to the heat equation. A limit case of this system corresponds to the coupling of a parabolic equation with an ordinary differential equation. In this situation, we see that for suitable boundary conditions the solution ceases to exist for a finite value of the spatial variable. Next two sections …correspond to the coupling of a hyperbolic/parabolic and hyperbolic/ordinary differential problems. For the first one we obtain that the decay is like an exponential of a second degree polynomial in the spatial variable. In the second one, we prove a similar behaviour to the one corresponding to ...
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On a rainy Tuesday afternoon in Rome, in the first three hours of the International Conference of Spatial Cognition (ICSC), attendees were treated to a microcosm of the conference to come. First, Dr. Marta Olivetti Belardinelli set the stage for the variety of the research that would be presented by tracing the development of ICSC over the past 12 years. What started, she said, from a small, local meeting of mostly European cognitive researchers has exploded into a cross-disciplinary, international convention. Next, in an hour long, data-infused keynote address, Dr. Alain Berthoz guided the audience through his long career of work on the neuroscience of spatial orientation. Finally, attendees schmoozed and noshed around a crowded foyer, sipping Italian wine and eating porchetta. These themes - interdisciplinarity, detailed discussions of data, and social engagement - discernible in the first three hours, played out over the rest of the conference.. ...
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Neurophysiological research has led to detailed mechanistic theories about how spatial locations and headings are represented in the brain and used in memory and navigation. INTRODUCTION 0369.001 The term`spatial cognition covers processes controlling behaviour that must be directed at particular locations, or responses that depend on the location or spatial arrangement of stimuli. There are many circumstances in which such processes are required for adaptive behaviour, and they are exhibited in creatures as diverse as bees, birds, rats and primates. At the most basic level, an organism must be able to flee from a dangerous location to a safer place. It may also need to return to a location where food is abundant or has been stored; to act upon a stimulus at one location, while temporarily ignoring other stimuli; or to navigate from one place to another by an efficient route, avoiding obstacles. All of these behaviours seem to demand some sort of spatial representation; a neural code that distinguishes
Meet Global Leaders from USA (America), Europe, Middle East and Asia Pacific at Stress Conferences, Stress Event which is going to be held at Boston, USA from August 27-28, 2018.
In article ,3663C7AA.7D24F0FD at pn.itnet.it, Davide Consonni ,consonni at pn.itnet.it, writes: , Does its possible to potentiate spatial menory? I recall reading that if animals are raised in a complex environment, then they will be better at spatial navigation tasks when tested as adults. Bob Mihalek, Ph.D. Dept. of Anesthesiology University of Pittsburgh ...
11/27/2012. Stephen Hirtle, Professor at the iSchool, authored a chapter in the recently-published "Handbook of Spatial Cognition" (American Psychological Association, 2013). The volume provides an introduction to spatial cognition, a branch of cognitive psychology that explores how people gain and use knowledge about their environment to identify where they are, to locate resources, and to determine how to reach a specific location. Spatial Cognition touches on many disciplines and areas of inquiry including neuroscience, psychology, computer science, geography, sociology, architecture, anthropology, philosophy and information sciences. Dr. Hirtles work looks at the building of computational models in spatial cognition to support the understanding of cognitive mechanisms, defining parameters, and testing empirical results. He provides an overview of the development of such models and the nature of modeling. He then details the diversity of approaches to modeling spatial cognition: qualitative ...
Artisanal fisheries are a key source of food and income for millions of people worldwide. However, unmanaged or excessive fishing activity can lead to declining returns for fishing effort and livelihood insecurity, and adversely impact wetland ecosystems. Management interventions such as protected areas and temporal closures may improve fishery sustainability and reduce environmental degradation, but often carry costs for fishers. Understanding predictors of fishing behaviour would allow conservation planning to minimise the adverse impacts of interventions, increasing the likelihood of fisher support of change. However, factors influencing fishers behaviour are rarely identified or taken into account when implementing conservation actions. Madagascars Lake Alaotra wetland supports the nations largest and most productive artisanal freshwater fishery, and provides critical habitat for endemic wildlife. Local fishers depend on the fishery for livelihood throughout the year. Catch-monitoring ...
Hippocampal place cells are specifically responding to a restricted location in space called the "place field," and each place cell has a different place field in a given environment, such that the place cell population maps the entire space explored by the animal (OKeefe and Nadel, 1978). This process is thought to be central in spatial navigation, and the hippocampus (Hip) to be the neural substrate of a cognitive map allowing an allocentric representation of space (Moser et al., 2015). These place cells are pyramidal neurons found in the Cornu Ammonis (CA) areas of the Hip. The nucleus reuniens (Re) of the ventral midline thalamus strongly and specifically projects to CA1, with virtually no projection to the CA3 area (Vertes et al., 2006). Re is also intensely projecting to the medial prefrontal cortex (mPFC) and receives afferents in return from both CA1 and mPFC (Vertes, 2002; McKenna and Vertes, 2004). Together with Re nucleus, the rhomboid (Rh) nucleus form the group of the ventral ...
Get this from a library! Spatial cognition research : the human navigation process and its comparability in complex real and virtual environments. [Edna Platzer;]
Montreal, QC. Introduction. An early symptom of Alzheimers disease is frequent disorientation in familiar settings, often resulting in patients getting lost on their routine commutes to work or home. What pathology in the brain causes this debilitating deficit in spatial cognition? Recent experiments have identified a neural circuit in the entorhinal cortex that is essential for spatial memory and navigation. This circuit contains three navigation-related neuronal types including `grid cells that track your movement through space (similar to a GPS), `head direction cells that act as the brains `internal compass, and `border cells that signal proximity to edges of the environment.. Objectives. We propose to test the hypothesis that a disruption of this entorhinal navigational circuit underlies the spatial memory and spatial cognition deficits reported in Alzheimers disease. The first objective is to identify whether the spatial firing patterns of neurons in this circuit undergo a ...
To reinvestigate how place cells represent the environment, we made recordings as rats ran around inside a gray cylindrical apparatus with two distinct stimuli, a white card and a black card, pasted on the apparatus wall. There were four main findings. (a) In agreement with earlier work (Muller and Kubie 1987; Thompson and Best 1990), firing fields are stable for days when place cells are repeatedly recorded with the two cards in standard positions. (b) Equal rotations of the two cards on the cylinder wall caused firing fields to rotate by the same amount. Firing fields were otherwise unaltered by such rigid rotations. This nearly ideal control of firing fields by specific stimuli is also in agreement with previous work (OKeefe and Conway 1978; Muller and Kubie 1987; Sharp et al. 1990; Gothard et al. 1996; Cressant et al. 1997). (c) The only effect of removing one card and rotating the other was to cause uniform rotations of all firing fields. Thus, removal of one card did not cause firing ...
Spatial navigation is impaired in early stages of Alzheimers disease, and may be a defining behavioral marker of preclinical AD. A new rat model (TgF344-AD) of AD overcomes many limitations of other rodent models, though spatial navigation has not been comprehensively assessed. Using the hidden and cued platform variants of the Morris water task, a longitudinal assessment of spatial navigation was conducted on TgF344-AD (n = 16) and Fischer 344 (n = 12) male and female rats at three age ranges: 4 to 5 months, 7 to 8, and 10 to 11 months of age. TgF344-AD rats exhibited largely intact navigation at 4-5 months, with deficits in the hidden platform task emerging at 7-8 months and becoming significantly pronounced at 10-11 months of age. In general, TgF344-AD rats displayed less accurate swim trajectories to the platform and searched a wider area around the platform region compared to wildtype rats. Impaired navigation occurred in the absence of deficits in acquiring the procedural task demands or
The dry-land Barnes maze is widely used to measure spatial navigation ability in response to mildly aversive stimuli. Over consecutive...
Groups. In the first cohort, five groups of 16- to 18-month-old mice were behaviorally tested: APPswe;PS1ΔE9 mice (n = 14); APPswe;PS1ΔE9; BACE1-/- mice (n = 6); APPswe;PS1ΔE9; BACE1+/- mice (n = 22); BACE1-/- mice (n = 11); and nontransgenics (n = 15). Approximately equal numbers of female and male mice were used (females, 44%; males, 56%). Female to male ratio for each genotype was as follows: APPswe; PS1ΔE9 (57%); APPswe;PS1ΔE9; BACE1-/- (50%); APPswe;PS1ΔE9; BACE1+/- (41%); BACE1-/- (36%); and non-transgenic mice (40%). All mice were analyzed in three behavioral tasks: first, in the classic Morris water maze task; second, in the visual discrimination task; and finally, in the open field. A second cohort of mice was tested at 3 months of age: nontransgenics (n = 7), BACE1+/- mice (n = 20), and BACE1-/- mice (n = 7). In this cohort only, male mice were used and testing was performed in the classic Morris water maze task, radial water maze task, Y-maze, plus maze, and on an open-field ...
Research has shown that some people are much better navigators than others. In general, though, measuring navigation ability efficiently and accurately relies upon subjective self-reports, not objective, behavioral evidence. We created a virtual environment assessment of navigation ability that can be easily administered on a desktop computer to test whether an individuals self-reported navigation ability, as well as other related spatial skills, reflected their actual ability to remember the layout of buildings in a large-scale virtual space. While there are certainly differences between finding ones way in a virtual environment compared to the real world, the benefits of using a virtual environment for this project include the ease and efficiency of data collection; the inclusion of a large number of participants; and our ability to manipulate parameters of the environment to restrict or augment navigation cues. Our goals in creating this assessment tool are to understand the factors, both ...
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Survey of current behavioral research on mental representations of spatial information. Topics include mechanisms of navigation, spatial updating, reference frames, development, memory, and individual differences. Prerequisite: PSY 271 and PSY 294.. Back to top. ...
STRAIN SPECIFIC EFFECTS OF ACOUSTIC STRESS ON SPATIAL LEARNING AND HIPPOCAMPAL HEAT-SHOCK PROTEIN 72 KDA (HSP72) EXPRESSION IN C57/BL/6 AND DBA/2 MICE: EVIDENCE OF A GENERAL NEGATIVE CORRELATION BETWEEN HIPPOCAMPAL HSP72 AND SPATIAL PERFORMANCE.. A074.1. Poster 39 - Mon 12/07, 12:15 - Hall ...
We describe the diverse steps to implant chronic silicon probes and to record place cells in mice that are running head-fixed on a...
Representative graph showing radial arm maze performance of control and experimental rats epileptic rats required more daily trials to achieve three, four, and
Our world class, California-based development team is available to build custom visualization and analysis applications, or integrate new 3D capabilities into your existing software or systems. Leverage our extensive expertise in cross-domain geospatial data exploitation to take your application to the next level. We work closely with military and intelligence organizations, sensor system developers, universities, and simulation companies to build high-quality custom solutions for next-generation applications.. Take a look at our Solutions Page to see some of our current projections and to get an idea of what we may be able to do for you.. ...
The ICT, Public Service, Youth and Gender Affairs Ministries launched the Ajira Digital Program looking to empower one million Kenyans to earn a living off online work. A bold and ambitious plan but one that might be headed for headwinds, despite the promising numbers shared on the concept note and the support of foundations like Rockefeller … [Read more…]. ...
Prof. Dr. Stefan Gößling-Reisemann, Institute for Advanced Energy Systems (AES), Universität Bremen; Dr. Urte Brand, DLR-Institut für Vernetzte Energiesysteme e.V., Oldenburg; Dr. Marita Blank, OFFIS e.V., ...
We all know that hippocampus is the seat of both memory as well as spatial abilities (cognitive map theory). We also know that most of the neurogeneisis in adult humans happens in hippocmapus. We also know that depression is caused by stress and both stress and depression lead to or are correlated with reduced neurogeneisis in the hippocmapus (my learning helplessness theory of depression ...
The Spatial Intelligence and Learning Center would like to invite interested researchers currently conducting spatial cognition and learning research to join this open network. If you would like to be involved, please contact the SILC Webmaster to request an invitation.. For more information, please see: Initiative 6: Build Spatial Learning as a Field .. ...
Mobility is a key enabling technology for most robotic applications. We have a long tradition of working with mapping, localization and navigation. That is, making the robot know what the environment looks like, where it is in this environment and how to move from one place to another. We also do research in spatial cognition, i.e., understanding the world around the robot beyond the geometry. What type of environment is the robot in? An office? A corridor? We investigate how long-term experiences of the environment can help the robot to perform its tasks better by being able to reliably distinguish between what is static, dynamic and somewhere in between and generate a better overall understanding of how to model the environment.. ...
We continually rely on our abilities of spatial navigation, be it for the daily commute to work, a trip to the local supermarket, or simply to make our way to the bathroom in the middle of the night. These tasks involve complex cognitive processes, yet most people perform them effortlessly and some develop them to…
Harvesting lab-raised zebrafish based on their size led to differences in the activity of more than 4,000 genes, as well as changes in allele frequencies of those genes, in the fish that remained.. 0 Comments. ...
To ensure a familiar environment, Accent was built to comply with Shopifys content and coding requirements for commercial themes. This includes full support for the Language editor across all template files. All copy on the site, can be easily edited. Its fully internationalized and translation ready ...
Disclosed is a methodology to establish a link between time-dependent dielectric breakdown (TDDB) information and spatial context in spatial wafer maps.
Its been well established that men perform better than women when it comes to specific spatial tasks. But how much of that is linked to sex hormones versus cultural conditioning and other factors ...
Although chronic stress has been reported to induce deleterious effects on hippocampal structure and function, the possible existence of individual differences in the vulnerability to develop stress-induced cognitive alterations was hypothesized. This study was designed to evaluate (i) whether individual variability in behavioural reactivity to novelty could be related to a differential vulnerability to show spatial learning deficits after chronic stress in young adult rats, and (ii) to what extent, could individual differences in stress-induced cognitive alterations be related to alterations in specific neurobiological substrates. Four month-old Wistar male rats were classified according to their locomotor reactivity to a novel environment, as either low (LR) or highly (HR) reactive, and then either submitted to psychosocial stress for 21-days (consisting of the daily cohabitation of each young adult rat with a new middle-aged rat) or left undisturbed. The results showed that psychosocial ...
Aug. 3, 2007. UI Spatial Cognition Research Explains Explorers Limited Ability To Navigate. When explorers like Magellan and Columbus sailed from Europe to the New World 500 years ago, they amazingly managed to navigate the open sea without terrestrial landmarks, natural boundaries or the navigational technology we have today.. Historical reports suggest that some explorers and other seafaring people did so by imagining an island just over the horizon; if they kept track of where the virtual island was, they knew which direction to go in the open water.. But new research from the University of Iowa suggests that peoples ability to imagine virtual islands -- without any perceptual cues to help -- is quite limited. Consistent with this, studies of how seafaring people navigate on the open seas suggest they actually rely on two key perceptual cues: perception of their own motion and the boats motion. Thus, the ability to navigate in open water stems from how the body senses motion, not on a ...
The SWISS EPHEMERIS is the high precision ephemeris developed by Astrodienst. The Swiss Ephemeris is not a product for end users. It is a toolset for programmers to build into their astrological software. For end users are the printable ephemeris files for 8000 years, in Acrobat PDF format
Spatial memory formation in rodents is one of the most active areas of brain research. Recordings from place-, head-direction and grid-cells have shaped our thinking about spatial cognition. Despite such advances, a mechanistic understanding of how individual neurons contribute to spatial representations is still lacking. To address this issue, we developed a novel head-mountable, pipette-positioning device, which allowed us to record and juxtacellularly label single neurons in awake, freely-moving animals. With our novel method we revealed the existence of highly-selective microcircuits between functionally-identified neurons in medial entorhinal cortex of the rat. Furthermore, we uncovered that deep layer neuronal activity is strongly modulated by environmental novelty. Altogether, these results indicate that our new method, which allows the combined analysis of neuronal morphology and activity in freely-behaving animals, can provide fundamental insights into the neuronal networks underlying ...
In our daily lives, we are always on the move. Successful navigation requires two components (when a GPS unit isnt at hand), a map-like representation, and some knowledge of your current position on the map. From time to time, perhaps after travelling underground in the subway, or by being distracted by a phone conversation, we lose track of the "I am here" sticker on our mental map. Before we are able to carry on with our travels, we must first update our current position on our mental map. Thus, the processing of reorientation, or updating the current spatial position, can be viewed as the first step in the navigation process. This is the process that we will be discussing in this Showcase.. We can investigate the reorientation process in the lab. First, participants are introduced to a controlled environment, where we can manipulate the types of cues that are available to participants. Then participants are shown a goal location, and asked to remember where it is. To induce the state of ...
Figure 1. Spatial Thinking Workbook project website banner, showing Dr. Basil Tikoff using spatial alignment in the field to scaffold students understanding of the structural geology.. The Spatial Thinking Workbook is our (my, Tim Shipleys, and Basil Tikoffs) NSF-funded project developing and testing curricular materials to improve spatial thinking skills in courses for undergraduate geoscience majors. These curricular materials target spatially-challenging concepts and tasks in upper-level geology courses, using strategies and tools based on SILC research: analogy, progressive alignment, gesture, and sketching. In essence, this project puts what SILC is learning about spatial thinking and learning into the undergraduate geoscience classroom, and tests the efficacy of these curricular materials in that setting.. The website is a work in progress, with only a handful of the curricular materials currently available to the public. Additional teaching activities will be added this spring, along ...
Figure 1. Spatial Thinking Workbook project website banner, showing Dr. Basil Tikoff using spatial alignment in the field to scaffold students understanding of the structural geology.. The Spatial Thinking Workbook is our (my, Tim Shipleys, and Basil Tikoffs) NSF-funded project developing and testing curricular materials to improve spatial thinking skills in courses for undergraduate geoscience majors. These curricular materials target spatially-challenging concepts and tasks in upper-level geology courses, using strategies and tools based on SILC research: analogy, progressive alignment, gesture, and sketching. In essence, this project puts what SILC is learning about spatial thinking and learning into the undergraduate geoscience classroom, and tests the efficacy of these curricular materials in that setting.. The website is a work in progress, with only a handful of the curricular materials currently available to the public. Additional teaching activities will be added this spring, along ...