Contextual modulation and stimulus selectivity in extrastriate cortex
... One neuron, shown in Fig. 1, responded strongly and almost exclusively to photos of the actress Jennifer Aniston (shaded regions in the top row), regardless of the low-level features (e.g., color, edge orientation) that comprise her portrait. This selectivity and invariance is common in high-level c ...
... One neuron, shown in Fig. 1, responded strongly and almost exclusively to photos of the actress Jennifer Aniston (shaded regions in the top row), regardless of the low-level features (e.g., color, edge orientation) that comprise her portrait. This selectivity and invariance is common in high-level c ...
Optimal Sizes of Dendritic and Axonal Arbors
... favors narrow axonal arbors and wide dendritic arbors. Alternatively, this rule may be formulated in tenns of neuronal densities in the two layers: Sparser layer has wider arbors. In the above example, divergence/convergence (and neuronal density) ratio is 116 and, according to the rule, type I arra ...
... favors narrow axonal arbors and wide dendritic arbors. Alternatively, this rule may be formulated in tenns of neuronal densities in the two layers: Sparser layer has wider arbors. In the above example, divergence/convergence (and neuronal density) ratio is 116 and, according to the rule, type I arra ...
Dynamics and Synchronization of Motifs of Neuronal Populations in the Presence
... Along the history, a multitude of clinical studies involving brain damage show that some brain functions depend on the integrity of specific brain areas (Kolb and Whishaw, 1990; Sporns, 2010). This represents another rich field supporting the principle of segregation in the brain. Altogether, these ...
... Along the history, a multitude of clinical studies involving brain damage show that some brain functions depend on the integrity of specific brain areas (Kolb and Whishaw, 1990; Sporns, 2010). This represents another rich field supporting the principle of segregation in the brain. Altogether, these ...
LINKING PROPOSITIONS*
... What is the place and value of sensory reports in the testing of physiological hypotheses? He formulated the argument that phenomenal terms and physiological terms are from different realms of discourse, and that, if terms from the two different realms were to be used together in a single sentence, ...
... What is the place and value of sensory reports in the testing of physiological hypotheses? He formulated the argument that phenomenal terms and physiological terms are from different realms of discourse, and that, if terms from the two different realms were to be used together in a single sentence, ...
I Know What You Are Doing: A - Università degli Studi di Parma
... action across many instances of it. What can be the functional role of mirror neurons? The hypothesis has been advanced that these neurons are part of a system that recognizes actions performed by others. This recognition is achieved by matching the observed action on neurons motorically coding the ...
... action across many instances of it. What can be the functional role of mirror neurons? The hypothesis has been advanced that these neurons are part of a system that recognizes actions performed by others. This recognition is achieved by matching the observed action on neurons motorically coding the ...
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... GABA (γ-aminobutyric acid)-ergic interneurons (see Glossary, Box 1), which typically trigger inhibition in postsynaptic neurons and are essential for shaping circuit output. It is generally accepted that two defining structural and functional features of the neocortex are lamination and radial colum ...
... GABA (γ-aminobutyric acid)-ergic interneurons (see Glossary, Box 1), which typically trigger inhibition in postsynaptic neurons and are essential for shaping circuit output. It is generally accepted that two defining structural and functional features of the neocortex are lamination and radial colum ...
Gustatory processing is dynamic and distributed Donald B
... cross-correlations. The neuron pair analyzed here crosscorrelated strongly (and negatively) only in the presence of nicotine (orange line) and citric acid (green line). Peaked cross correlations were not found for sucrose (black), NaCl (maroon) or quinine (dark blue). When cross-correlations are tak ...
... cross-correlations. The neuron pair analyzed here crosscorrelated strongly (and negatively) only in the presence of nicotine (orange line) and citric acid (green line). Peaked cross correlations were not found for sucrose (black), NaCl (maroon) or quinine (dark blue). When cross-correlations are tak ...
~ Pergamon
... connections. In contrast, positive neurons were comparatively sparse in eulaminate cortices, which have a high cell density and more restricted connections. These findings indicate that the distribution of diaphorase-positive neurons in prefrontal cortices is not random, but is associated with the s ...
... connections. In contrast, positive neurons were comparatively sparse in eulaminate cortices, which have a high cell density and more restricted connections. These findings indicate that the distribution of diaphorase-positive neurons in prefrontal cortices is not random, but is associated with the s ...
Dendritic Morphology of Pyramidal Neurons in the
... DSN, DSD) were analyzed separately among regions. Specifically, we used a nested ANOVA design (IBM SPSS 18.0), in which each neuron was nested within region (areas 3b, 4, 10, and 18), which was nested within individual brain. We did not consider sex differences in the analysis because of the relative ...
... DSN, DSD) were analyzed separately among regions. Specifically, we used a nested ANOVA design (IBM SPSS 18.0), in which each neuron was nested within region (areas 3b, 4, 10, and 18), which was nested within individual brain. We did not consider sex differences in the analysis because of the relative ...
Linking Neural Activity to Visual Perception: Separating Sensory and
... 2. Area MT and visual motion perception as a model system We can use the specialization of visual cortical neurons to begin understanding how they support visual perception. This is accomplished by comparing the activity of a neuron to the responses of an observer performing a perceptual task [1]. N ...
... 2. Area MT and visual motion perception as a model system We can use the specialization of visual cortical neurons to begin understanding how they support visual perception. This is accomplished by comparing the activity of a neuron to the responses of an observer performing a perceptual task [1]. N ...
Knockdown of the Dyslexia-Associated Gene
... remained blind to the experimenters throughout data collection. Following data collection, each subject was perfused transcardially with 250 mL of 0.1 M phosphate-buffered (PB) solution with 0.02% heparin, followed by 500 mL of 4% formalin solution in 0.1 M PB. Sections were taken at 80 µm intervals ...
... remained blind to the experimenters throughout data collection. Following data collection, each subject was perfused transcardially with 250 mL of 0.1 M phosphate-buffered (PB) solution with 0.02% heparin, followed by 500 mL of 4% formalin solution in 0.1 M PB. Sections were taken at 80 µm intervals ...
neurophysics.ucsd.edu
... sensory feedback and executive commands. A far greater challenge is to understand the coordination of multiple actions. Here, we focus on brainstem circuits that drive rhythmic orofacial actions. We discuss three neural computational mechanisms that may enable circuits for different actions to opera ...
... sensory feedback and executive commands. A far greater challenge is to understand the coordination of multiple actions. Here, we focus on brainstem circuits that drive rhythmic orofacial actions. We discuss three neural computational mechanisms that may enable circuits for different actions to opera ...
Stimulus-Specific Adaptation in Auditory Cortex Is an NMDA
... • MMN is a human scalp recorded event related potential (ERP) component elicited by a sound which deviates from a repeating pattern of recent sounds, and thought to be generated by a temporo-prefrontal network including auditory cortex. • This claim implies that auditory cortex units themselves play ...
... • MMN is a human scalp recorded event related potential (ERP) component elicited by a sound which deviates from a repeating pattern of recent sounds, and thought to be generated by a temporo-prefrontal network including auditory cortex. • This claim implies that auditory cortex units themselves play ...
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... surface of the skull (2 in each parietal bone and 1 in each frontal bone) to provide structural support for the head cap. The 2 middle screws had attached leads to serve as a reference wire and a grounding wire. A craniotomy and durotomy were performed to expose the cortex in the region of primary a ...
... surface of the skull (2 in each parietal bone and 1 in each frontal bone) to provide structural support for the head cap. The 2 middle screws had attached leads to serve as a reference wire and a grounding wire. A craniotomy and durotomy were performed to expose the cortex in the region of primary a ...
Functional maps within a single neuron
... Molecular Biophysics Unit, Indian Institute of Science, Bangalore, India; and 2Center for Learning and Memory, The University of Texas at Austin, Austin, Texas ...
... Molecular Biophysics Unit, Indian Institute of Science, Bangalore, India; and 2Center for Learning and Memory, The University of Texas at Austin, Austin, Texas ...
Knockdown of the Dyslexia-Associated Gene
... remained blind to the experimenters throughout data collection. Following data collection, each subject was perfused transcardially with 250 mL of 0.1 M phosphate-buffered (PB) solution with 0.02% heparin, followed by 500 mL of 4% formalin solution in 0.1 M PB. Sections were taken at 80 µm intervals ...
... remained blind to the experimenters throughout data collection. Following data collection, each subject was perfused transcardially with 250 mL of 0.1 M phosphate-buffered (PB) solution with 0.02% heparin, followed by 500 mL of 4% formalin solution in 0.1 M PB. Sections were taken at 80 µm intervals ...
Mapping Function Onto Neuronal Morphology
... function, respectively. The functions for the branching asymmetry, a(l), and angle, (l), were analogous to Eq. 4. As in biological neurons, the dendritic diameter was not allowed to go ⬍0.2 m. The size of the soma was fixed at 20 m (length ⫽ diameter). The Gaussian function was chosen because it ...
... function, respectively. The functions for the branching asymmetry, a(l), and angle, (l), were analogous to Eq. 4. As in biological neurons, the dendritic diameter was not allowed to go ⬍0.2 m. The size of the soma was fixed at 20 m (length ⫽ diameter). The Gaussian function was chosen because it ...
The Number of Cortical Neurons Used to See
... represents the number of receptive fields. The square size of 0.71 deg is the line for the results at the distance of 200 cm and square size of 2.78 is the line for results at the distance of 50 cm. The general trend, shown by the averages of all 10 subjects, shows that as check size increase, the n ...
... represents the number of receptive fields. The square size of 0.71 deg is the line for the results at the distance of 200 cm and square size of 2.78 is the line for results at the distance of 50 cm. The general trend, shown by the averages of all 10 subjects, shows that as check size increase, the n ...
Can We Really See a Million Colours? David Papineau Abstract
... that we have far fewer conscious colour responses to surfaces presented singly than the million plus assumed by orthodoxy. It would be an extra claim to equate this number with the few dozen categories over which subjects can perfume reliably in the successive same/different tasks. Maybe subjects do ...
... that we have far fewer conscious colour responses to surfaces presented singly than the million plus assumed by orthodoxy. It would be an extra claim to equate this number with the few dozen categories over which subjects can perfume reliably in the successive same/different tasks. Maybe subjects do ...
Sensory Pathways and Emotional Context for Action
... Helen Barbas, Basilis Zikopoulos, and Clare Timbie Connections of the primate prefrontal cortex are associated with action. Within the lateral prefrontal cortex, there are preferential targets of projections from visual, auditory, and somatosensory cortices associated with directing attention to rel ...
... Helen Barbas, Basilis Zikopoulos, and Clare Timbie Connections of the primate prefrontal cortex are associated with action. Within the lateral prefrontal cortex, there are preferential targets of projections from visual, auditory, and somatosensory cortices associated with directing attention to rel ...
Vestibular Signals of Posterior Parietal Cortex Neurons during
... sensory and motor cortices and thus could be involved in the formation of motor plans as well as abstract representations of space. We have recorded from neurons in the intraparietal sulcus, namely, the ventral and medial intraparietal areas (VIP and MIP, respectively), and analyzed their head-movem ...
... sensory and motor cortices and thus could be involved in the formation of motor plans as well as abstract representations of space. We have recorded from neurons in the intraparietal sulcus, namely, the ventral and medial intraparietal areas (VIP and MIP, respectively), and analyzed their head-movem ...
Responses of primate frontal cortex neurons during natural vocal
... differences at the neural level is not well understood, but given the overall similarities in the basic neocortical architecture of all NHPs (Chaplin et al. 2013), key changes to aspects of the underlying neural circuitry likely occurred since diverging with our last common NHP ancestor (Schenker et ...
... differences at the neural level is not well understood, but given the overall similarities in the basic neocortical architecture of all NHPs (Chaplin et al. 2013), key changes to aspects of the underlying neural circuitry likely occurred since diverging with our last common NHP ancestor (Schenker et ...