1,720,972 research outputs found

    The influence of temporal context on vision over multiple time scales

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    Data and analysis scripts for the study entitled “The influence of temporal context on vision across multiple time scales”, by Kacie Lee and Reuben Rideaux. The raw EEG data can be accessed at the following OSF database: https://osf.io /cusyn

    Violated predictions enhance the representational fidelity of visual features in perception

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    Data and analysis code for the study titled “Violated predictions enhance the representational fidelity of visual features in perception”, by Reuben Rideaux, Phuong Dang, Luke Jackel-David, Zak Buhmann, Dragan Rangelov & Jason B Mattingley. The MATLAB circstat toolboxm(https://au.mathworks.com/matlabcentral/fileexchange/10676-circular-statistics-toolbox-directional-statistics), the shadedErrorBar function (https://au.mathworks.com/matlabcentral/fileexchange/26311-raacampbell-shadederrorbar), and the Robust correlation toolbox (https://sourceforge.net/projects/robustcorrtool/) are required to run the code

    Distinct early and late neural mechanisms regulate feature-specific sensory adaptation in the human visual system

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    Data used in study "Distinct early and late neural mechanisms regulate feature-specific sensory adaptation in the human visual system

    How multisensory neurons solve causal inference

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    Network training data and results presented in 2021 study entitled "How multisensory neurons solve causal inference", by Rideaux, Storrs, Maiello, and Welchma

    Predicting Fast and Forward: Dual Expectation Mechanisms Supporting Adaptive Efficiency

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    Data and analysis code for the study titled "Predicting Fast and Forward: Dual Expectation Mechanisms Supporting Adaptive Efficiency". Matlab toolboxes required to run analysis scripts include: EEGlab, bayslab_analogue_toolbox, frank-pk-DataViz, CircStat, decoding-toolbo

    Task-related modulation of event-related potentials does not reflect changes to sensory representations (raw data)

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    raw data for "Task-related modulation of event-related potentials does not reflect changes to sensory representations

    Task-related modulation of event-related potentials does not reflect changes to sensory representations

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    Data presented in the manuscript “Task-related modulation of event-related potentials does not reflect changes to sensory representations". All data has been preprocessed and cleaned. Raw data can be accessed at https://osf.io/cusyn/ The code used to preprocess the raw EEG data and for running forward encoding analyses is provided. EEG data comprise 42 MATLAB .mat files; one for each participant. Each file contains the epoched EEG responses, the location/colour of the wedge presented, and the attended location/colour. Note, the feature_values are listed in the following order: location, colour. The 63 EEG sensors are listed in the following order: 'Fp1' 'Fz' 'F3' 'F7' 'FT9' 'FC5' 'FC1' 'C3' 'T7' 'TP9' 'CP5' 'CP1' 'Pz' 'P3' 'P7' 'O1' 'Oz' 'O2' 'P4' 'P8' 'TP10' 'CP6' 'CP2' 'Cz' 'C4' 'T8' 'FT10' 'FC6' 'FC2' 'F4' 'F8' 'Fp2' 'AF7' 'AF3' 'AFz' 'F1' 'F5' 'FT7' 'FC3' 'C1' 'C5' 'TP7' 'CP3' 'P1' 'P5' 'PO7' 'PO3' 'POz' 'PO4' 'PO8' 'P6' 'P2' 'CPz' 'CP4' 'TP8' 'C6' 'C2' 'FC4' 'FT8' 'F6' 'AF8' 'AF4' 'F2'

    How multisensory neurons solve causal inference

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    Network training data and results presented in 2021 study entitled "How multisensory neurons solve causal inference", by Rideaux, Storrs, Maiello, and Welchma

    Task-related modulation of event-related potentials does not reflect changes to sensory representations (raw data)

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    raw data for "Task-related modulation of event-related potentials does not reflect changes to sensory representations

    No balance between glutamate+glutamine and GABA+ in visual or motor cortices of the human brain: A magnetic resonance spectroscopy study

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    Theoretical work, supported by electrophysiological evidence, asserts that a balance between excitation and inhibition (E/I) is critical for healthy brain function. In magnetic resonance spectroscopy (MRS) studies, the ratio of excitatory (glutamate) and inhibitory (γ-aminobutyric acid, GABA) neurotransmitters is often used as a proxy for this E/I balance. Recent MRS work found a positive correlation between GABA+ and Glx (glutamate+glutamine) in medial parietal cortex, providing validation for this proxy and supporting the link between the E/I balance observed in electrophysiology and that detected with MRS. Here we assess the same relationship, between GABA+ and Glx, in visual and motor cortices of male and female human participants. We find moderate to strong evidence that there is no positive correlation between these neurotransmitters in either location. We show this holds true when controlling for a range of other factors (i.e., demographics, signal quality, tissue composition, other neurochemicals) and regardless of the state of neural activity (i.e., resting/active). These results show that there is no brain-wide balance between excitatory and inhibitory neurotransmitters and indicates a dissociation between the E/I balance observed in electrophysiological work and the ratio of MRS-detected neurotransmitters
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