receptive fields and major cell type
Sensory noise predicts divisive reshaping of receptive fields
... the type of noise commonly observed in sen- sory systems, whose variance scales with the signal amplitude, competition should occur between different sensory cues before they are ...neural receptive ...
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On the analysis and interpretation of inhomogeneous quadratic forms as receptive fields
... Based on spike–triggered average (STA) Rust et al. (2004) computed the best linear approximation of the input–output function computed by some neurons. On the space orthogonal to that function they then determined the ...
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Specific modalities and receptive fields of sensory neurons in CNS of the leech.
... When the cell body was hyperpolarized by current injected through the microelectrode (record 3, right), the impulse failed to invade the soma actively, producing [r] ...
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Responses of Leaky Integrate-and-Fire Neurons to a Plurality of Stimuli in Their Receptive Fields
... cortical cell responds when its classical receptive field contains a plurality of ...the cell responds to a plurality of stimuli as if only one of the stimuli were ...
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Estimating Simple and Complex Cell Receptive Fields from Natural Image Stimuli and 2-Photon Imaging Recordings of the V1 in Ferrets
... Since different animals have acute vision in only a specific range of spatial frequencies it makes sense to analyse the power spectrum of the images over all frequencies, which allows one to determine whether a ...
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Natural image sequences constrain dynamic receptive fields and imply a sparse code
... model type and take their mean as the prediction for the next frame in order to see if averaging over trials reduces the inherent variance of a single trial predic- ...
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Visual population receptive fields in people with schizophrenia have reduced inhibitory surrounds
... Among all of the basic symptoms assessed using the Bonn scale (used to identify individuals at risk of psychosis), visual distortions have the highest sensitivity for conversion to a psychotic disorder (Klosterko¨tter et ...
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Detection of the movement direction by the cells with directional receptive fields in the primary visual cortex of the cat
... Background luminance was 0.15 cd/m 2 . Extra cellular recordings were made from single cells in visual cortex by electrolytically sharpened varnished tungsten microelectrodes. An automatic driver advanced the ...
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Diurnal changes in retinula cell sensitivities and receptive fields (two dimensional angular sensitivity functions) in the apposition eyes of Ligia exotica (Crustacea, Isopoda)
... measurements represented the summed responses to light rays reaching the receptors from many different directions. To establish the relative sensitivity difference between day and night phases, dependent on the ...
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Rapid mapping of visual receptive fields by filtered back projection: application to multi-neuronal electrophysiology and imaging
... cell in Fig. 5A. The impulse response was then obtained by differentiating the response to a step, and these are shown by the black traces in Fig. 5B. The SNR of the impulse response calculated from flashed bars ...
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Stress and the inflammatory process: a major cause of pancreatic cell death in type 2 diabetes
... Dovepress Stress and inflammation in type 2 diabetes deposits that correlate with the severity of the disease in humans. β -cell apoptosis is also observed in human pancre- atic sections and postmortem ...
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Type 2 diabetes is a major cause of
... The FFQ has many limitations with respect to determining carbohydrate- related dietary intakes that may have caused some misclassification of subjects, in particular with respect to fiber and whole-grain intake. For ...
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Private Cost of Bachelor s Degree Programmes by Major Fields in Nigeria
... 8. Discussion of Results It was found in this study that there were variations in the private cost of Bachelor’s programme by major fields. This is in line with the finding of Bolami (2004) which reports a ...
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Replicating receptive fields of simple and complex cells in primary visual cortex in a neuronal network model with temporal and population sparseness and reliability.
... classical receptive fields and silent ...the cell to the stimuli presented in the classi- cal receptive field (Bardy et ...The receptive field, composed of an excitatory component and ...
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Chemotactic cell trapping in controlled alternating gradient fields
... gradient fields across 300 μm, to analyze the statistical behavior of many cells ...of cell polarization response, as a function of switching ...the cell ensemble, permitting a diffusive broadening ...
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THEORETICAL NEUROSCIENCE I. Lecture 9: Receptive fields and tuning curves
... They make up 97 percent of the optic nerve (Maturana - 1959). • Class 1 neurons (edge detectors): These neurons have oval receptive fields from 1.5 to 4 degrees in size. They detect the completeness and ...
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Construction and Characterization of 3D Receptive Fields in Mouse Primary Auditory Cortex
... Spectro-temporal receptive fields, Frequency ...3D receptive field consists of three visualizations: volume rendering, surface rendering and 2D ...3D receptive field will provide more detailed ...
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Quantitative Mapping of Cutaneous Receptive Fields in Normal and Operated Leeches, Limnobdella
... In addition, the spreading of receptive fields described by Van Essen & Jansen (1977) has been found to occur at sites far removed from the location of the operated nerves and the ar[r] ...
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Multiple Zones of Contextual Surround for V1 Receptive Fields<b> </b>
... (4) could be accounted fo r b y V1 mechanisms (without reso rting to feedback from higher visual centers) Mo del Input Mo del Output the gure is the bo rder region itself whole gure high[r] ...
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Generic Object Recognition with Local Receptive Fields Based Extreme Learning Machine
... School of Electrical and Electronic Engineering, Nanyang Technological University, Nanyang Avenue, Singapore 639798, {zbai1, chamarak001}@e.ntu.edu.sg, [email protected] Abstract Generic object recognition is to ...
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