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The Neural Architecture Underlying Habit Learning: An Evolving
The Neural Architecture Underlying Habit Learning: An Evolving

... developed, when even PET images were new. Having become interested in histochemistry, and being originally trained in chemistry, I decided to try to find histochemical stains that would work both on human brain (post-mortem) and on the brains of the laboratory animals in which I had traced anatomica ...
The Nervous System
The Nervous System

...  Amitotic: unable to reproduce themselves (so cannot be replaced) ...
Modelling Cerebellar Function in Saccadic Adaptation
Modelling Cerebellar Function in Saccadic Adaptation

... • Same basic circuit repeated many times (hence “neuronal machine”) • Important: half the cells in the entire brain are in the cerebellum ...
Climbing Neuronal Activity as an Event
Climbing Neuronal Activity as an Event

... across bins of 250 msec and averaged over the indicated number of trials (n; see legend of Fig. 1). For neurons showing stimulus-selective delay activity we averaged over trials with the same pair of sample and test stimuli (see Fig. 1c1). For neurons showing unselective delay activity, different sa ...
The functional asymmetry of auditory cortex is reflected
The functional asymmetry of auditory cortex is reflected

... the slice, and to establish whether spines were present (Fig. 1b, right). All cells analyzed in this study were excitatory, as based on morphology and the presence of spines. Representative synaptic input maps for neurons in L2 and L3 in iso­ frequency slices are shown in Figure 2a and Figure 2b, re ...
Extracellular Matrix Molecules and Cell Adhesion Molecules Induce
Extracellular Matrix Molecules and Cell Adhesion Molecules Induce

... LN are used to coat nitrocellulose substrates (see also Fig. 2, E and F). The availability of purified CAMs that induce neurite growth allows a test of the generality of this C kinase result. H7 does not prevent the growth of neurites induced by Con A in CG neurons, suggesting that C kinase function ...
view - E-LIB Bremen - Universität Bremen
view - E-LIB Bremen - Universität Bremen

... the mammalian brain is divided into areas with distinct tasks. Visual input is preprocessed and then routed to the so-called visual cortex, which consists of several consecutive stages of processing that extract relevant features of the input. Visual cortex areas are functionally distinct from audit ...
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Stimulus-Dependent Synchronization of Neuronal Responses in the
Stimulus-Dependent Synchronization of Neuronal Responses in the

... vertical retrace signal of the CRT used for visual stimulation. Trials in which the monkey made an error were automatically discarded. On several occasions, more selective electrodes were used to record not more than one to three cells simultaneously. The waveform of each spike was ...
Information Processing at the Calyx of Held Under Natural Conditions
Information Processing at the Calyx of Held Under Natural Conditions

... Furthermore, calyx of Held synapses are chronically active emphin vivo due to spontaneous activity in the auditory brainstem. Here we test synaptic responses to complex stimulation protocols mimicking periods of low and high activity, as well as protocols derived from natural sound clips. Additional ...
autonomic nervous system
autonomic nervous system

... A short reflex, which bypasses the CNS and involves sensory neurons and interneurons whose cell bodies are located within autonomic ganglia ...
Representation of Number in Animals and Humans: A Neural Model
Representation of Number in Animals and Humans: A Neural Model

... numerosity x also react somewhat weaker to numerosities x  1 and x + 1, still somewhat weaker to x  2 and x + 2 and so on. This property can account for the distance effect, because if numbers are farther apart, this will lead to less overlap in the distribution of activation and thus to better di ...
Resting-state functional connectivity in neuropsychiatric disorders
Resting-state functional connectivity in neuropsychiatric disorders

... networks may show specific susceptibility to other neurogenerative diseases. Their work has focused particularly on an RSN (Fig. 1f) anchored in the dorsal anterior cingulate (dACC) and frontoinsular regions – the salience network – implicated in monitoring or generating autonomic responses or both ...
MS WORD file
MS WORD file

... well as vibratory and anesthetic studies to be the two essential receptor groups needed for proprioception (Burgess et al. for a review, 1982). However, it is notable that there is redundant information gathered by other receptors, such as those in the joints, that are used for fine control of movem ...
Muscle Receptor Organs in the Crayfish Abdomen: A Student
Muscle Receptor Organs in the Crayfish Abdomen: A Student

... well as vibratory and anesthetic studies to be the two essential receptor groups needed for proprioception (Burgess et al. for a review, 1982). However, it is notable that there is redundant information gathered by other receptors, such as those in the joints, which are used for fine control of move ...
Cerebellar Peduncle Pathways
Cerebellar Peduncle Pathways

... Physiological  Correlates     Behavioral  Correlates     Clinical  Pathologies     ...
common core achieve
common core achieve

... the module for additional instruction and practice. You may decide to concentrate on specific areas of study or to work through the entire module. It is highly recommended that you work through the whole module to build a strong foundation in the core areas in which you will be tested. Common Core A ...
Exam2006_AnswerKey
Exam2006_AnswerKey

... ORs are expressed randomly within a zone. – Although ORs are expressed randomly within a zone, they are not expressed randomly within the olfactory epithelium; full credit was not awarded without explicit reference to zones. Again, this can be shown by in situ. Note: Many other features of the olfac ...
14: The Brain and Cranial Nerves
14: The Brain and Cranial Nerves

... The largest part of the brain is the cerebrum, which controls the higher mental functions such as thought, memory and conscious movement. The cerebrum is divided into left and right cerebral hemispheres, and covered by a surface layer of gray matter or neural cortex (cerebral cortex). The surface is ...
Kenedy,Dehay Cell-cycle control and cortical development
Kenedy,Dehay Cell-cycle control and cortical development

... between modes are not completely understood46. Mechanisms determining neuron number. The computations carried out by the cerebral cortex require specific patterns of connections between precise numbers of diverse types of neurons51. One possibility is that there is a tight spatio-temporal control of ...
ChennWalshCeCortexJu..
ChennWalshCeCortexJu..

... neurons that are never seen in normal brains. These new neuronal ‘structures’ reside deep to the cerebral cortex, but apparently distinct from the underlying striatum (Figs 3 and 4), in a region similar to the position normally occupied by the subventricular zone. In some sections, these aggregation ...
ASCENDING PATHWAYS - University of Kansas Medical Center
ASCENDING PATHWAYS - University of Kansas Medical Center

... synapse with ascending fibers within spinal cord. Gamma motor neurons supply intrafusal fibers of muscle spindle: Regulate sensitivity of intrafusal fibers. Gamma neurons are modulated by descending fibers within spinal cord. ...
Cell-cycle control and cortical development - Stem
Cell-cycle control and cortical development - Stem

... between modes are not completely understood46. Mechanisms determining neuron number. The computations carried out by the cerebral cortex require specific patterns of connections between precise numbers of diverse types of neurons51. One possibility is that there is a tight spatio-temporal control of ...
Mirroring others` emotions relates to empathy and
Mirroring others` emotions relates to empathy and

... 1983), indicating to what extent short phrases described them on a 5-point scale (from “does not describe me at all” to “describes me very well”). This measure was chosen because it taps a variety of aspects of empathy, and is not limited to either emotional or cognitive components, although it does ...
High baseline activity in inferior temporal cortex
High baseline activity in inferior temporal cortex

... baseline activity predicts the behavioral performance (Ress et al., 2000; Fox et al., 2007; Hesselmann et al., 2008; Scholvinck et al., 2012). The results of these electrophysiological and neuroimaging studies have changed the traditional view in which the baseline activity was considered noise. How ...
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Nervous system network models

Network of human nervous system comprises nodes (for example, neurons) that are connected by links (for example, synapses). The connectivity may be viewed anatomically, functionally, or electrophysiologically. These are presented in several Wikipedia articles that include Connectionism (a.k.a. Parallel Distributed Processing (PDP)), Biological neural network, Artificial neural network (a.k.a. Neural network), Computational neuroscience, as well as in several books by Ascoli, G. A. (2002), Sterratt, D., Graham, B., Gillies, A., & Willshaw, D. (2011), Gerstner, W., & Kistler, W. (2002), and Rumelhart, J. L., McClelland, J. L., and PDP Research Group (1986) among others. The focus of this article is a comprehensive view of modeling a neural network (technically neuronal network based on neuron model). Once an approach based on the perspective and connectivity is chosen, the models are developed at microscopic (ion and neuron), mesoscopic (functional or population), or macroscopic (system) levels. Computational modeling refers to models that are developed using computing tools.
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