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50 results for “Maze”
Physarum polycephalum Repeated Maze Honors Thesis, Tulane University, SE Louisiana 2024-2025
We conducted an experimental maze study from January to March, 2025, on Physarum polycephalum at Tulane University in New Orleans, Louisiana. We collected data on changes in locomotive behavior as P. polycephalum repeatedly solved the same maze. From daily photographs of growth, we recorded path choice, contamination presence and location, number of times P. polycephalum grew directly over maze walls, how many of the four dead-ends P. polycephlaum grew down, and efficiency through surface area covered. Data collection is complete. We found a significant increase in efficiency, and a significant decrease in both dead-end paths and wall jumping, as maze repetitions increased. This points to evidence of information storage and retrieval, and therefore cognitive processes such as memory, within the single-cellular protist Physarum polycephalum.
Data from: Texas field crickets (Gryllus texensis) use visual cues to place learn but perform poorly when intra- and extra-maze cues conflict
<p>Central place foraging field crickets are an ideal system for studying the adaptive value of learning and memory, but more research is needed on ecology-relevant cognition in these invertebrates. Here, we test the visuospatial place learning of Texas field crickets (<em>Gryllus texensis</em>) in a radial arm maze. Our study expands previous work on <em>G. texensis</em> cognition for accuracy measures and extends our previous findings on females to both sexes. Additionally, our study examines whether crickets use intra- or extra-maze cues to locate a food reward using a maze rotation putting the cues in conflict. We found that male and female crickets improved performance over trials when measured by accuracy variables but not latency variables; thigmotaxis negatively impacted performance in both sexes. In a reward-absent trial, both male and female crickets demonstrated place memory. When intra- and extra-maze cues conflicted during a rotation trial, crickets' performance was not better than chance. Our rotation results suggest that crickets may experience reciprocal overshadowing of conflicting cues – a result most often seen in other taxa with conflicting multi-modal cues. We conclude that crickets do not rely solely on: (1) a single-cue association; (2) route-following; or (3) their own scent cues to navigate the maze. Instead, male and female Texas field crickets seem to learn the location of the reward using a combination of proximal and distal cues. The possibility to test large numbers of wild-caught or laboratory-reared individuals opens the door to future investigations on the evolutionary ecology of visuospatial learning in these invertebrates.</p>
Dataset for "Articulatory, Acoustic, and Prosodic Accommodation in a Cooperative Maze Task"
<p>This dataset accompanies the article "Articulatory, Acoustic, and Prosodic Accommodation in a Cooperative Maze Task" in the journal <em>PLoS ONE</em>. A guide to the dataset, with information about how the data is organized, is also available within the repository.</p>
Raw data behavior in olfactory tubing maze and open field
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Data from: Texas field crickets (Gryllus texensis) use visual cues to place learn but perform poorly when intra- and extra-maze cues conflict
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Liquid metal solves maze
<p>These are supplementary videos for the paper ``Liquid Metal Solves Mazes'. The abstract of the paper is below. </p> <p> </p> <p>A room temperature liquid metal is a metal whose melting point is around room temperature. We use liquid metal gallium due to its non-toxicity. A physical maze is a a connected set of Euclidean domains separated by impassable walls. We demonstrate that a maze filled with sodium hydroxide is solved by a gallium droplet when direct current is applied between start and destination loci. During the maze solving the droplet stays compact due to its large surface tension, navigate along lines of the highest electrical current due its high electrical conductivity, and goes around corners of the maze's corridors due to its high flexibility. The droplet maze solver has a long life-time due to negligible vapour of the liquid gallium.</p>
Prophylactic Maze to Prevent Atrial Fibrillation in Adult Cardiac Surgery
ClinicalTrials.gov study NCT03604432. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Behavior data from T-maze assay
<p>Dietary magnesium (Mg<sup>2+</sup>) supplementation can enhance memory in young and aged rats. Memory-enhancing capacity was largely ascribed to increases in hippocampal synaptic density and elevated expression of the NR2B subunit of the NMDA-type glutamate receptor. Here we show that Mg<sup>2+</sup> feeding also enhances long-term memory in <i>Drosophila</i>. Normal and Mg<sup>2+</sup> enhanced fly memory appears independent of NMDA receptors in the mushroom body and instead requires expression of a conserved<i> </i>CNNM-type Mg<sup>2+</sup>-efflux transporter encoded by the <i>unextended</i> (<i>uex</i>) gene. UEX contains a putative cyclic nucleotide-binding homology domain and its mutation separates a vital role for <i>uex</i> from a function in memory. Moreover, UEX localization in mushroom body Kenyon Cells is altered in memory defective flies harboring mutations in cAMP-related genes. Functional imaging suggests that UEX-dependent efflux is required for slow rhythmic maintenance of Kenyon Cell Mg<sup>2+</sup>. We propose that regulated neuronal Mg<sup>2+</sup> efflux is critical for normal and Mg<sup>2+</sup> enhanced memory.</p>
Monster Maze Assets
maze assets Source: Objaverse 1.0 / Sketchfab
Data from: Maze learning and memory in a decapod crustacean
Spatial learning is an ecologically important trait well studied in vertebrates and a few invertebrates yet poorly understood in crustaceans. We investigated the ability of European shore crabs, Carcinus maenas, to learn a complex maze over four consecutive weeks using food as a motivator. Crabs showed steady improvement during this conditioning period in both the time taken to find the food and in the number of wrong turns taken whilst doing so. Crabs also clearly remembered the maze as when placed back in the maze two weeks later and without any food, they all returned to the end of the maze in under eight minutes. Crabs that had not been conditioned to the maze (naïve animals) took far longer to reach the end and many (42 %) did not venture to the end of the maze at all during the one-hour study period. This study provides an initial description of spatial learning in a benthic decapod; a better appreciation of this adaptive trait in these animals will develop our understanding of resource exploitation by benthic crustaceans and their ecological roles.
Navigating the Maze of Mass Spectra: A Machine-Learning Guide to Identifying Diagnostic Ions in O-Glycan Analysis
<p>FragmentFactory_dataset is a pickled pandas DataFrame and should be loaded using the following code:</p> <pre><code>import pandas as pd FF_data = pd.read_pickle('/my_directory/FragmentFactory_dataset.pkl')</code></pre> <p> </p>
Maze
Source: Objaverse 1.0 / Sketchfab
Effects of Maze Activities in Down's Syndrome
ClinicalTrials.gov study NCT06234644. IPD Sharing: NO. Countries: 1. Publications: 1.
Effects of Maze Balance Board Training on Balance in Children With Hearing Impairment.
ClinicalTrials.gov study NCT06461520. IPD Sharing: NO. Countries: 1. Publications: 3.
The Effects Of "Minds In Motion The Maze" on Balance and Gate In Children With Down Syndrome
ClinicalTrials.gov study NCT06955052. IPD Sharing: NO. Countries: 1. Publications: 1.
"Maze Out": A Serious Game to Improve Self-efficacy and Mutual Understanding in Eating Disorders.
ClinicalTrials.gov study NCT05621018. IPD Sharing: Not stated. Countries: 1. Publications: 2.
PFA-based Bi-atrial Maze-like Catheter Ablation for PeAF
ClinicalTrials.gov study NCT06952023. IPD Sharing: UNDECIDED. Countries: 1. Publications: 1.
Data from: Maze learning and memory in a decapod crustacean
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Behavior data from T-maze assay
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Data for Radial arm maze tests and Novel object recognition test
<p class="MsoNormal"><strong><span>Background</span></strong></p> <p class="MsoNormal"><span>Aging population is rapidly expanding worldwide, and age-related cognitive impairments proves detrimental for achieving a better productive and quality of life. Lack of effective therapies for age-related cognitive impairment focuses attention on developing preventive strategies, such as nutritional interventions, cell therapies and environmental manipulations. The objective of present study was to explore the comparative benefits of potential memory-enhancing strategies like supplementation of choline and docosahexaenoic acid (DHA) or administration of conditioned media derived from human embryonic kidney stem cells (HEK-CM) or exposure to environmental enrichment (EE), that attenuates cognitive impairments in aging mice. </span></p> <p class="MsoNormal"><strong><span>Results</span></strong></p> <p class="MsoNormal"><span>Spatial memory and cognition were decreased in normal aging mice. Aged mice exposed to dietary Ch-DHA or HEK-CM showed significant enhancement in spatial learning tasks, memory and cognition compared to the same in age-matched NAC mice. Ch-DHA and HEK-CM treated mice committed significantly lesser reference memory errors and attained a higher percentage of correct choices in spatial learning and memory tasks. Moreover, on testing for cognition in</span><span> NORT,</span><span> significantly higher number of visits to the novel object was observed in Ch-DHA supplemented and HEK-CM administered aging mice whereas HEK-CM and EE mice groups showed significantly greater number of visits to familiar object, when compared to same in age-matched NAC and HI-HEKCM groups respectively</span><span>.</span><span> </span></p> <p class="MsoNormal"><strong><span>Conclusion</span></strong></p> <p class="MsoNormal"><span>Supplementation of Ch-DHA and HEK CM treatment strategies have a higher potential [~ 20-30%] for enhancing spatial learning, memory and cognition in normal aged mice, whereas exposure to enriched environment seems to enhance only their short term memory.</span></p>
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These curated guides explain access requirements, typical timelines, costs, and reuse considerations for widely used research datasets.
Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.