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A neuronal network model of primary visual cortex explains spatial
... red/green disks represent ON/OFF LGN cells. The receptive field on the top left is an example of the type “width one”, which results in strong LGN input for high spatial frequency stimulus. The remaining receptive fields correspond to width two and width four. The bottom two receptive fields also sh ...
... red/green disks represent ON/OFF LGN cells. The receptive field on the top left is an example of the type “width one”, which results in strong LGN input for high spatial frequency stimulus. The remaining receptive fields correspond to width two and width four. The bottom two receptive fields also sh ...
Neural representation of object orientation: A dissociation between
... 2013; Ward et al., 2013), raising pressing questions about what conclusions should be drawn in cases where the two methods diverge. In the General discussion we propose that RS and MVP-similarity are sensitive to different aspects of neural response, arguing that this hypothesis can explain our resu ...
... 2013; Ward et al., 2013), raising pressing questions about what conclusions should be drawn in cases where the two methods diverge. In the General discussion we propose that RS and MVP-similarity are sensitive to different aspects of neural response, arguing that this hypothesis can explain our resu ...
Linking Topography to Tonotopy in the Mouse Auditory
... the greatest number of spikes across all sound levels, and characteristic frequency, the frequency to which the neuron was responsive at threshold. BF values were distributed across a broader range of frequencies, produced more orderly maps, and were completely objective in their definition. BF was ...
... the greatest number of spikes across all sound levels, and characteristic frequency, the frequency to which the neuron was responsive at threshold. BF values were distributed across a broader range of frequencies, produced more orderly maps, and were completely objective in their definition. BF was ...
Differentiating Noxious- and Innocuous
... Gary H. Duncan. Differentiating noxious- and innocuous-related activation of human somatosensory cortices using temporal analysis of fMRI. J Neurophysiol 88: 464 – 474, 2002; 10.1152/jn.00999.2001. The role of the somatosensory cortices (SI and SII) in pain perception has long been in dispute. Human ...
... Gary H. Duncan. Differentiating noxious- and innocuous-related activation of human somatosensory cortices using temporal analysis of fMRI. J Neurophysiol 88: 464 – 474, 2002; 10.1152/jn.00999.2001. The role of the somatosensory cortices (SI and SII) in pain perception has long been in dispute. Human ...
N.L. Strominger et al. Cerebellum, in Noback`s Human
... lobes of the cerebellum illustrating the somatic sensory homunculi ...
... lobes of the cerebellum illustrating the somatic sensory homunculi ...
Cranial Nerves: Assessment of Functions
... The eighth cranial nerve contains fibers of the vestibular nerve and the cochlear nerve. The vestibular nerve is sensory from receptors in the inner ear that provide information concerning movement of the body, balance, and body position in relation to gravitational force. The cochlear nerve is sens ...
... The eighth cranial nerve contains fibers of the vestibular nerve and the cochlear nerve. The vestibular nerve is sensory from receptors in the inner ear that provide information concerning movement of the body, balance, and body position in relation to gravitational force. The cochlear nerve is sens ...
Neural Correlates for Perception of 3D Surface Orientation from
... perceive depth from texture gradient. Although psychophysical studies suggest that humans perceive depth from texture gradient (15–17 ), there are few data to suggest that animals, including monkeys, perceive depth from texture gradient as humans do. This behavioral control is important, because tex ...
... perceive depth from texture gradient. Although psychophysical studies suggest that humans perceive depth from texture gradient (15–17 ), there are few data to suggest that animals, including monkeys, perceive depth from texture gradient as humans do. This behavioral control is important, because tex ...
Functional Organization of the Cat Visual Cortex in Relation to the
... Extracellular recordings were conducted after the final optical imaging session. Recording sites were determined using the cortical blood vessel patterns as a reference, and glass-coated platinum-iridium microelectrodes (1–2 M⍀ at 1 kHz) were placed using a hydraulic microdrive (MO-95, Narishige, To ...
... Extracellular recordings were conducted after the final optical imaging session. Recording sites were determined using the cortical blood vessel patterns as a reference, and glass-coated platinum-iridium microelectrodes (1–2 M⍀ at 1 kHz) were placed using a hydraulic microdrive (MO-95, Narishige, To ...
Action Potentials in Earthworms
... the noise is proportional to the resistance of the electrode. Therefore, intracellular electrodes, with high resistances, pick up a greater amplitude of high frequency noise than extracellular electrodes, with low resistances. Mechanical Noise Mechanical noise, like vibrations from the ventilation s ...
... the noise is proportional to the resistance of the electrode. Therefore, intracellular electrodes, with high resistances, pick up a greater amplitude of high frequency noise than extracellular electrodes, with low resistances. Mechanical Noise Mechanical noise, like vibrations from the ventilation s ...
Chapter 10 - MBFys Home Page
... almost everyone over the age of 70 will experience some loss of transparency in the lens that ultimately degrades the quality of visual experience. Fortunately, there are successful surgical treatments for cataracts that can restore vision in most cases. Furthermore, the recognition that a major fac ...
... almost everyone over the age of 70 will experience some loss of transparency in the lens that ultimately degrades the quality of visual experience. Fortunately, there are successful surgical treatments for cataracts that can restore vision in most cases. Furthermore, the recognition that a major fac ...
Functional architecture in monkey inferotemporal cortex revealed by
... the ventral visual cortical pathway, optical imaging based on intrinsic signals was carried out. We first conducted single-cell recordings with microelectrodes and determined the features critical for the activation of single cells. For the subsequent optical imaging, each critical feature was prese ...
... the ventral visual cortical pathway, optical imaging based on intrinsic signals was carried out. We first conducted single-cell recordings with microelectrodes and determined the features critical for the activation of single cells. For the subsequent optical imaging, each critical feature was prese ...
State dependent activity in monkey visual cortex
... neurons in the visual cortex of rhesus monkeys while they performed an orientation match to sample task. In each trial the animal was first cued with randomly selected orientation, and then presented with a sequence of gratings whose orientations were randomly selected. The animal was required to re ...
... neurons in the visual cortex of rhesus monkeys while they performed an orientation match to sample task. In each trial the animal was first cued with randomly selected orientation, and then presented with a sequence of gratings whose orientations were randomly selected. The animal was required to re ...
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... closely resembles that of the prepared movement, while also often involving activation of the OO and SCM muscles (Valls-Solé et al., 1999; Ravichandran et al., 2013). The major difference between prepared actions that are triggered by innocuous or startling auditory stimuli is the latency of the res ...
... closely resembles that of the prepared movement, while also often involving activation of the OO and SCM muscles (Valls-Solé et al., 1999; Ravichandran et al., 2013). The major difference between prepared actions that are triggered by innocuous or startling auditory stimuli is the latency of the res ...
Early Appearance of Inhibitory Input to the MNTB Supports Binaural
... Green, Joshua S. and Dan H. Sanes. Early appearance of inhibitory input to the MNTB supports binaural processing during development. J Neurophysiol 94: 3826 –3835, 2005. First published August 24, 2005; doi:10.1152/jn.00601.2005. Despite the peripheral and central immaturities that limit auditory pr ...
... Green, Joshua S. and Dan H. Sanes. Early appearance of inhibitory input to the MNTB supports binaural processing during development. J Neurophysiol 94: 3826 –3835, 2005. First published August 24, 2005; doi:10.1152/jn.00601.2005. Despite the peripheral and central immaturities that limit auditory pr ...
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... such as living vs. man-made sound sources occurs very rapidly (as early as 70 ms after stimulus onset) due to the interactions of top-down and bottom-up processes, which characterize the ventral and dorsal auditory streams [32–35]. Several lines of evidence indicate that early-stage areas on the sup ...
... such as living vs. man-made sound sources occurs very rapidly (as early as 70 ms after stimulus onset) due to the interactions of top-down and bottom-up processes, which characterize the ventral and dorsal auditory streams [32–35]. Several lines of evidence indicate that early-stage areas on the sup ...
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in
... Optical data acquisition and acoustic stimulation Intrinsic optical signals were recorded using the Imager 2001 video acquisition system (Optical Imaging, Germantown, NY), the details of which have been described previously (Bonhoeffer and Grinvald 1996; Grinvald et al. 1986, 1988; Ts’o et al. 1990) ...
... Optical data acquisition and acoustic stimulation Intrinsic optical signals were recorded using the Imager 2001 video acquisition system (Optical Imaging, Germantown, NY), the details of which have been described previously (Bonhoeffer and Grinvald 1996; Grinvald et al. 1986, 1988; Ts’o et al. 1990) ...
Spontaneous and Stimulus-Evoked Intrinsic Optical Signals in
... Optical data acquisition and acoustic stimulation Intrinsic optical signals were recorded using the Imager 2001 video acquisition system (Optical Imaging, Germantown, NY), the details of which have been described previously (Bonhoeffer and Grinvald 1996; Grinvald et al. 1986, 1988; Ts’o et al. 1990) ...
... Optical data acquisition and acoustic stimulation Intrinsic optical signals were recorded using the Imager 2001 video acquisition system (Optical Imaging, Germantown, NY), the details of which have been described previously (Bonhoeffer and Grinvald 1996; Grinvald et al. 1986, 1988; Ts’o et al. 1990) ...
Cranial Nerves: Assessment of Functions
... The eighth cranial nerve contains fibers of the vestibular nerve and the cochlear nerve. The vestibular nerve is sensory from receptors in the inner ear that provide information concerning movement of the body, balance, and body position in relation to gravitational force. The cochlear nerve is sens ...
... The eighth cranial nerve contains fibers of the vestibular nerve and the cochlear nerve. The vestibular nerve is sensory from receptors in the inner ear that provide information concerning movement of the body, balance, and body position in relation to gravitational force. The cochlear nerve is sens ...
Zwicker Tone Illusion and Noise Reduction in the Auditory System
... corresponding to the cochlea [4]. Second, neurons can habituate to a steadily stimulating sound so that their spontaneous rate after switching off the sound is lower than in their resting state. As we will see, habituation as an explanation for the Zwicker tone is questionable. Third, there is later ...
... corresponding to the cochlea [4]. Second, neurons can habituate to a steadily stimulating sound so that their spontaneous rate after switching off the sound is lower than in their resting state. As we will see, habituation as an explanation for the Zwicker tone is questionable. Third, there is later ...
Attention induces synchronization-based response gain in steady
... demonstrated that attention increases neural activity for attended, relative to ignored, stimuli. Fixed stimulus contrasts, however, were typically used in these studies, so that the results are equivocal for evaluating the three hypotheses. Only rarely have the effects of attention on contrast-resp ...
... demonstrated that attention increases neural activity for attended, relative to ignored, stimuli. Fixed stimulus contrasts, however, were typically used in these studies, so that the results are equivocal for evaluating the three hypotheses. Only rarely have the effects of attention on contrast-resp ...
full-text - Radioengineering
... for a shorter period of time (an hour) in order to study white spaces in a limited frequency bandwidth or the changes in a particular wireless system. Overall spectrum scanning (OS) – it was designed for optional sensitivity scans through a wide band. Changes in time were not so important and were n ...
... for a shorter period of time (an hour) in order to study white spaces in a limited frequency bandwidth or the changes in a particular wireless system. Overall spectrum scanning (OS) – it was designed for optional sensitivity scans through a wide band. Changes in time were not so important and were n ...
Brain regions associated with moment-to
... According to Menon and Uddin (2010) for example, the AI and dACC are core members of a larger salience network that rapidly activates to stimuli of potential motivational relevance, such as stimuli that are temporally or spatially infrequent. These transient signals help direct attention to the exte ...
... According to Menon and Uddin (2010) for example, the AI and dACC are core members of a larger salience network that rapidly activates to stimuli of potential motivational relevance, such as stimuli that are temporally or spatially infrequent. These transient signals help direct attention to the exte ...