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Whole-brain mapping in adult zebrafish and identification of the functional brain network underlying the novel tank test.
eNeuro
March 2025
Department of Biological Sciences, Wayne State University, Detroit, MI 48202.
Zebrafish have gained prominence as a model organism in neuroscience over the past several decades, generating key insight into the development and functioning of the vertebrate brain. However, techniques for whole brain mapping in adult stage zebrafish are lacking. Here, we describe a pipeline built using open-source tools for whole-brain activity mapping in adult zebrafish.
View Article and Find Full Text PDFRepresentations of chemical features in the neural activity of the olfactory bulb (OB) are not well-understood, unlike the neural code for stimuli of the other sensory modalities. This is because the space of olfactory stimuli lacks a natural coordinate system, and this significantly complicates characterizing neural receptive fields (tuning curves), analogous to those in the other sensory modalities. The degree to which olfactory tuning is spatially organized across the OB, often referred to as , is also not well-understood.
View Article and Find Full Text PDF"Latent Preference Representation in the Human Brain for Scented Products: Effects of Novelty and Familiarity".
Neuroimage
March 2025
Center for Information and Neural Networks (CiNet), National Institute of Information and Communications Technology (NICT), Osaka, Japan, 1-4 Yamadaoka, Suita-shi, Osaka, 565-0871, Japan. Electronic address:
Decoding latent preferences for novel products is crucial for understanding decision-making processes, especially when subjective evaluations are unclear. Brain activity in regions like the medial orbitofrontal cortex and nucleus accumbens (NAcc) correlates with subjective preferences. However, whether these regions represent preferences toward novel products and whether coding persists after familiarity remain unclear.
View Article and Find Full Text PDFSpatial partitioning of floral volatiles provides a "chemosensory roadmap" for bumblebee pollinators.
Curr Biol
February 2025
Institute of Evolutionary Ecology and Conservation Genomics, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany. Electronic address:
How do plants with structurally complex flowers promote effective pollination? From the pollinator's perspective, complex flowers can be reimagined as mechanical puzzles that require the manipulation of a 3D object in search of a concealed reward. The spatial partitioning of volatile organic compounds (VOCs) within flowers may help flower-naive pollinators to successfully complete such puzzles, thereby increasing their foraging proficiency and, from the plant's perspective, promoting flower constancy and pollination efficiency. Here, we construct "chemosensory roadmaps" for Impatiens capensis and I.
View Article and Find Full Text PDFMAEST: accurately spatial domain detection in spatial transcriptomics with graph masked autoencoder.
Brief Bioinform
March 2025
School of Computer Science, Northwestern Polytechnical University, 1 Dongxiang Road, Xi'an 710072, China.
Spatial transcriptomics (ST) technology provides gene expression profiles with spatial context, offering critical insights into cellular interactions and tissue architecture. A core task in ST is spatial domain identification, which involves detecting coherent regions with similar spatial expression patterns. However, existing methods often fail to fully exploit spatial information, leading to limited representational capacity and suboptimal clustering accuracy.
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