MIrror neuRons based RObot Recognition - LIRA-Lab
... observation of action (Perrett at al. 1989), and sends output to area F5. Neurons in area PF are functionally heterogeneous. Most of them (about 90%) respond to sensory stimuli (Hyvarinen 1982; Leinonen and Nyman 1979; Fogassi et al. 1998; Gallese et al. 2002). About 50% of them discharge also in as ...
... observation of action (Perrett at al. 1989), and sends output to area F5. Neurons in area PF are functionally heterogeneous. Most of them (about 90%) respond to sensory stimuli (Hyvarinen 1982; Leinonen and Nyman 1979; Fogassi et al. 1998; Gallese et al. 2002). About 50% of them discharge also in as ...
Cortex-inspired Developmental Learning for Vision-based Navigation, Attention and Recognition
... to automatically generate internal representations, without a need of human programmers to pre-design task-specific (symbolic) concepts. Its balanced coarse-to-fine tree structure guaranteed real-time retrieval in self-generated high-dimensional state space. K-Nearest Neighbor strategy was adopted in ...
... to automatically generate internal representations, without a need of human programmers to pre-design task-specific (symbolic) concepts. Its balanced coarse-to-fine tree structure guaranteed real-time retrieval in self-generated high-dimensional state space. K-Nearest Neighbor strategy was adopted in ...
Monoaminergic dysfunction in recreational users of
... update of the Strichmann Medical Equipment 810X, Strichmann Medical Equipment Inc., Medfield, Mass., USA). This is a 12-detector single-slice scanner with a full width at half maximum resolution of 6–7 mm. SPECT images were acquired as previously described (de Win et al., 2005). Acquisition was comme ...
... update of the Strichmann Medical Equipment 810X, Strichmann Medical Equipment Inc., Medfield, Mass., USA). This is a 12-detector single-slice scanner with a full width at half maximum resolution of 6–7 mm. SPECT images were acquired as previously described (de Win et al., 2005). Acquisition was comme ...
primary motor cortex
... Uses past visual experiences to interpret visual stimuli Example: color, form and movement Complex processing involves entire posterior half of the hemispheres ...
... Uses past visual experiences to interpret visual stimuli Example: color, form and movement Complex processing involves entire posterior half of the hemispheres ...
The effect of lithium on the adrenoceptor
... been well characterized pharmacologically and, more recently, the use of molecular biology techniques has provided new information about the structure and functional domains of these receptors. The central noradrenergic system is implicated in the hypothesis concerning the origin of depression, and ...
... been well characterized pharmacologically and, more recently, the use of molecular biology techniques has provided new information about the structure and functional domains of these receptors. The central noradrenergic system is implicated in the hypothesis concerning the origin of depression, and ...
DECODING NEURONAL FIRING AND MODELING NEURAL
... 1991; Reike, 1991; Warland et al., 1991, Theunnisen, 1993). This approach is reviewed in section 3. In the vast majority of cases, neuronal spike trains are characterized by a firing rate. This characterization is often thought to eliminate all information arising from spike timing and to be quite d ...
... 1991; Reike, 1991; Warland et al., 1991, Theunnisen, 1993). This approach is reviewed in section 3. In the vast majority of cases, neuronal spike trains are characterized by a firing rate. This characterization is often thought to eliminate all information arising from spike timing and to be quite d ...
On the computational architecture of the neocortex
... and the remaining neurons all project directly to the cortex with no collaterals (with one exception: see discussion of R E thalamus below). Thus, except for the R E nucleus, the nuclei in the thalamus are not directly connected to each other. Where does the thalamus get its input? Some nuclei in th ...
... and the remaining neurons all project directly to the cortex with no collaterals (with one exception: see discussion of R E thalamus below). Thus, except for the R E nucleus, the nuclei in the thalamus are not directly connected to each other. Where does the thalamus get its input? Some nuclei in th ...
Artificial Intelligence (AI). Neural Networks
... neuron over narrow gaps called synapses. They translate the pulse in some degree into excitatory or inhibitory impulse of the next neuron (fig.9). ...
... neuron over narrow gaps called synapses. They translate the pulse in some degree into excitatory or inhibitory impulse of the next neuron (fig.9). ...
Multisensory contributions to low-level, `unisensory` processing
... feedback processes observed in V1 for ‘contextual surround’ [46] and visual selective attention [47] effects, both of which use feedback input and lag the initial feedforward sensory input. In any case, given that the requirements for integration [48] are met, a visual or somatosensory input could e ...
... feedback processes observed in V1 for ‘contextual surround’ [46] and visual selective attention [47] effects, both of which use feedback input and lag the initial feedforward sensory input. In any case, given that the requirements for integration [48] are met, a visual or somatosensory input could e ...
contextual influences on visual processing
... With the development of techniques for recording neuronal action potentials and the subsequent application of these techniques to the study of the mammalian visual system, the field of visual science underwent a paradigm shift. Fundamental to the conduct and interpretation of neurophysiological expe ...
... With the development of techniques for recording neuronal action potentials and the subsequent application of these techniques to the study of the mammalian visual system, the field of visual science underwent a paradigm shift. Fundamental to the conduct and interpretation of neurophysiological expe ...
Ramayya, A. G., Zaghloul, K. A., Weidemann, C. T., Baltuch, G. H.
... activity using the WaveClus software package (Quiroga et al., 2005). We band-pass filtered each voltage recording from 400 to 5000 Hz and manually removed periods of motion artifact. We identified spike events as positive or negative deflections in the voltage trace that crossed a threshold that was ...
... activity using the WaveClus software package (Quiroga et al., 2005). We band-pass filtered each voltage recording from 400 to 5000 Hz and manually removed periods of motion artifact. We identified spike events as positive or negative deflections in the voltage trace that crossed a threshold that was ...
Functional Clustering Drives Encoding Improvement in a
... tuning curves, show varying selectivity in a topographic organization (Figure 2). These results demonstrate the effectiveness of two-photon imaging and spike inference in measuring receptive fields across a contiguous brain network in vivo. ...
... tuning curves, show varying selectivity in a topographic organization (Figure 2). These results demonstrate the effectiveness of two-photon imaging and spike inference in measuring receptive fields across a contiguous brain network in vivo. ...
Figure and Ground in the Visual Cortex: V2 Combines Stereoscopic
... 1923; Wertheimer, 2001; for a review, see Spillmann and Ehrenstein, 2003). Indeed, figure-ground perception can be manipulated experimentally by providing specific cues that define the depth relationships explicitly, for example, by means of stereograms. Under these conditions, the perception of for ...
... 1923; Wertheimer, 2001; for a review, see Spillmann and Ehrenstein, 2003). Indeed, figure-ground perception can be manipulated experimentally by providing specific cues that define the depth relationships explicitly, for example, by means of stereograms. Under these conditions, the perception of for ...
Neural Prostheses - Gert Cauwenberghs
... Molecular optics – ChR2 optical activation of targeted neurons – NPhR optical inactivation of targeted neurons ...
... Molecular optics – ChR2 optical activation of targeted neurons – NPhR optical inactivation of targeted neurons ...
Development and function of human cerebral cortex neural networks
... In order to study the development of network properties in hPSC neural networks, cortical projection neurons were generated using our previously published method (Fig. 1A) (Shi et al., 2012a,c). We used dual SMAD inhibition in combination with retinoid signalling to generate polarised neuroepithelia ...
... In order to study the development of network properties in hPSC neural networks, cortical projection neurons were generated using our previously published method (Fig. 1A) (Shi et al., 2012a,c). We used dual SMAD inhibition in combination with retinoid signalling to generate polarised neuroepithelia ...
CATEGORIES IN THE PIGEON BRAIN - Ruhr-Universität
... stimulus, where the entries represented the activity of one recorded cell. The activity was calculated as the average number of spikes within the 2 s window of each particular stimulus presentation based on all completed presentations of this stimulus within a session. To account for different firin ...
... stimulus, where the entries represented the activity of one recorded cell. The activity was calculated as the average number of spikes within the 2 s window of each particular stimulus presentation based on all completed presentations of this stimulus within a session. To account for different firin ...
Assisted morphogenesis: glial control of dendrite
... Intimately associated with neurons are glial cells, which comprise the most abundant cell type of the mammalian brain, and that, like neurons, exhibit dizzying morphological complexity and specialization [1–3]. Glia are well positioned to regulate dendritic morphology as they are not only in close p ...
... Intimately associated with neurons are glial cells, which comprise the most abundant cell type of the mammalian brain, and that, like neurons, exhibit dizzying morphological complexity and specialization [1–3]. Glia are well positioned to regulate dendritic morphology as they are not only in close p ...
The Constructive Nature of Visual Processing
... and global contours, and distinguishing foreground from background (see Chapter 27). The highest level involves object recognition (see Chapter 28). Once a scene has been parsed by the brain and objects recognized, the objects can be matched with memories of shapes and their associated meanings. Vis ...
... and global contours, and distinguishing foreground from background (see Chapter 27). The highest level involves object recognition (see Chapter 28). Once a scene has been parsed by the brain and objects recognized, the objects can be matched with memories of shapes and their associated meanings. Vis ...
Current Challenges Facing the Translation of Brain
... Once spikes have been detected and multiple neuronal spikes discriminated (if desired), typically the rate of firing (i.e., spike rate) of the individual neuronal components is calculated. Both accuracy and ease of computational processing are dependent upon the combined choice of a spike rate estim ...
... Once spikes have been detected and multiple neuronal spikes discriminated (if desired), typically the rate of firing (i.e., spike rate) of the individual neuronal components is calculated. Both accuracy and ease of computational processing are dependent upon the combined choice of a spike rate estim ...
MIrror neuRons based RObot Recognition - LIRA-Lab
... The biological motivation of this study is the discovery of the so-called mirror neurons in the primates’ premotor cortex. These neurons behave as a “motor resonant system”, activated both during execution of goal directed actions and during the observation of similar actions performed by others. On ...
... The biological motivation of this study is the discovery of the so-called mirror neurons in the primates’ premotor cortex. These neurons behave as a “motor resonant system”, activated both during execution of goal directed actions and during the observation of similar actions performed by others. On ...
The language of action: verbs, simulation and motor chains
... comply with four classes of constraints: (a) constraints deriving from the available knowledge on the anatomy and physiology of the brain structures underlying the behaviours of interest (e.g., based on Rizzolatti, Luppino, & Matelli, 1998, Culham & Kanwisher, 2001, Simon, Mangin, Cohen, Le Bihan, & ...
... comply with four classes of constraints: (a) constraints deriving from the available knowledge on the anatomy and physiology of the brain structures underlying the behaviours of interest (e.g., based on Rizzolatti, Luppino, & Matelli, 1998, Culham & Kanwisher, 2001, Simon, Mangin, Cohen, Le Bihan, & ...
31 - UCL
... visual, auditory, somatosensory, motor, and limbic areas--support a new, peculiarly human function. Language as Code-directed Scene Perception. Vision is very important to primates; in fact, over 50% of the cortex in primates, probably including humans, consists of areas devoted to specifically visu ...
... visual, auditory, somatosensory, motor, and limbic areas--support a new, peculiarly human function. Language as Code-directed Scene Perception. Vision is very important to primates; in fact, over 50% of the cortex in primates, probably including humans, consists of areas devoted to specifically visu ...
supplemental figures
... Figure S5. Example of isolated unit sorted using MClust software. (a) Spike waveforms of the unit recorded with four channels of a tetrode. (b) Auto-correlogram of the unit with 4 millisecond binsize. (c) Auto-correlogram of the unit with 1 millisecond binsize. ...
... Figure S5. Example of isolated unit sorted using MClust software. (a) Spike waveforms of the unit recorded with four channels of a tetrode. (b) Auto-correlogram of the unit with 4 millisecond binsize. (c) Auto-correlogram of the unit with 1 millisecond binsize. ...