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Simulation of signal flow in 3D reconstructions of an anatomically
Simulation of signal flow in 3D reconstructions of an anatomically

... morphology and connectivity patterns established among diverse neuronal cell types. The single neuron represents the elemental functional unit of these networks. Depending on their dendrite morphology, as well as their synaptic innervations and conductance distributions, neurons perform (non-) linea ...
A Neural Mass Model to Simulate Different Rhythms in a Cortical
A Neural Mass Model to Simulate Different Rhythms in a Cortical

... action potentials coming from other regions. Inputs to the other two populations have only a scanty effect on model dynamics, and hence have been neglected. The output of the model is represented by the membrane potential of pyramidal cells. Compared with the model described in our previous work [8], ...
NIH Public Access
NIH Public Access

... Reduced glutathione (GSH) plays a significant role in resisting neurodegeneration 20, 21. Neurons are rich in arachidonic acid which substantially exacerbates neurotoxicity caused by lowered cellular GSH 7. In this model of neurodegeneration, pharmacological inhibitors of both c-Src as well as of 12 ...
WHAT`S WRONG WITH BELIEVING IN REPRESSION?
WHAT`S WRONG WITH BELIEVING IN REPRESSION?

... S.V. v. R.V., 933 S. W.2d 1 (1996). District courts use a case-by-case or totalityof-the-circumstances evaluation and are given discretion to balance all the factors to determine both the reliability of the evidence, as well as the probative versus prejudicial effect of the testimony. Borawick v. Sh ...
Chapter 28: Nervous
Chapter 28: Nervous

... Copyright © 2003 Pearson Education, Inc. publishing as Benjamin Cummings ...
Temporal Profiles of Axon Terminals, Synapses and Spines in the
Temporal Profiles of Axon Terminals, Synapses and Spines in the

... solution, and observed with an electron microscope (H9000, Hitachi). Paraffin sections of both faces were separately stained with hematoxylin-eosin (HE) or periodic acid fuchsin Schiff (PAS) or by Bodian silver impregnation or used for immunohistochemical detection of glial fibrillary acidic protein ...
The Neuron - UPM EduTrain Interactive Learning
The Neuron - UPM EduTrain Interactive Learning

... • A neuron with one axon attached to its soma; the axon divides, with one branch receiving sensory information and the other sending the information into the central nervous system. Page 6 ...
NEURAL NETWORKS AND FUZZY SYSTEMS
NEURAL NETWORKS AND FUZZY SYSTEMS

... Potential energy function represented by quadratic form Consider a system of n variables and its potential-energy function E. Suppose the coordinate x i measures the displacement from equilibrium of ith unit.The energy depends on only coordinate x i ,so E  E ( x1 ,  xn ) since E is a physical qua ...
Collective Memory from a Psychological Perspective
Collective Memory from a Psychological Perspective

... Fiore and Sales 2007; Lea and Nicoll 2002; Middleton and Edwards 1990). In many cases, they do so by adopting an approach to psychology that is far removed from the mainstream information-processing or cognitive approach (Middleton and Edwards 1990). Moreover, a few psychologists insist that the stu ...
Contemporary Principles of Pathologic Neurotoxicity Assessment in
Contemporary Principles of Pathologic Neurotoxicity Assessment in

... Most of the subpopulations of the brain are not seen in this section, as they are located more medial or lateral. It is impossible to see all regions of the brain in any one section. ...
cur op e-print version
cur op e-print version

... sucrose solution has a higher utility than a 0.1 molar solution to a hungry animal, a sated animal is likely to treat the two solutions with indifference, and an overfed animal will resist attempts to induce it to ingest either solution. Thus, the intensity of reinforcement is derived from a weighti ...
Enactment versus conceptual encoding: Equivalent item
Enactment versus conceptual encoding: Equivalent item

... Johnson, 1989; Zaragoza and Koshmider, 1989; Zaragoza and Lane, 1994). This result suggests that people frequently do ...
Regulation of Neurosteroid Biosynthesis by Neurotransmitters and
Regulation of Neurosteroid Biosynthesis by Neurotransmitters and

... GABA A receptors, inhibits 3β-HSD activity and that ODN, acting as an inverse agonist on the GABA A/CBR complex, stimulates neurosteroid biosynthesis. Labeling of brain sections revealed the existence of NPY-immunoreactive varicosities in close proximity to HST-containing perikarya. In situ hybridiz ...
Perceiving forms, patterns and objects
Perceiving forms, patterns and objects

... an automatic, built-in process that keeps people tuned into the changes rather than the constants in their sensory inputs ...
Distributed Modular Architectures Linking Basal Ganglia
Distributed Modular Architectures Linking Basal Ganglia

... 1983; De Felipe et aI., 1986; Shinoda and Kakei, 1989) and other methods (e.g., Goldman and Nauta, 1977;Jones et aI., 1978; Goldman-Rakic, 1988a,b; Huntley and Jones, 1991) have shown that individual fibers from the thalamus or cortex form clusters of synapses, which suggests that individual afferen ...
Dendritic RNA Transport: Dynamic Spatio-Temporal Control of Neuronal Gene Expression
Dendritic RNA Transport: Dynamic Spatio-Temporal Control of Neuronal Gene Expression

... strength ,in response to neurotransmission. Recent ...
Differential Localization of G Protein βγ Subunits
Differential Localization of G Protein βγ Subunits

... exhibit a wide range of distributions throughout the central nervous system, a thorough investigation of the expression patterns of both Gβ and Gγ isoforms within subcellular fractions has not been conducted. To address this, we applied a targeted proteomics approach known as multiple-reaction monit ...
Chapter 15 Viral Vector-Based Techniques for Optogenetic
Chapter 15 Viral Vector-Based Techniques for Optogenetic

... results in expression patterns that are more localized compared with the pseudotyped AAV2/5, AAV2/8, or AAV2/9. AAV2 is therefore well suited for local expression in volumes smaller than 1 mm3 [18]. Although viral titer can be reduced in order to decrease the size of the transduced volume, lower tit ...
This is all we can do!
This is all we can do!

... input information from sensory receptors • Motor neurons—action potential takes message away from brain or spinal cord with motor output command (for movement to muscle cells or secretion to gland cells) • Within brain and spinal cord, action potentials among neurons process information allowing for ...
Gestalt Issues in Modern Neuroscience
Gestalt Issues in Modern Neuroscience

... arranged geniculate receptive fields. Cortical receptive fields respond optimally to elongated stimuli, that is to bars and edges of a given orientation. They have therefore been labeled as line or edge detectors. However, receptive fields in the primary visual cortex are rather small (as compared t ...
Nerve activates contraction
Nerve activates contraction

...  Have 3 specialized characteristics  Longevity: with nutrition, can live as long as you do  Amitotic: unable to reproduce themselves (so cannot be replaced) ...
memory
memory

... c. is distorted by emotion and is completely inaccurate d. can be influenced by the types of questions they are asked Which of the following is a medical doctor who specializes in diagnosing and treating mental disorders? a. a psychiatrist b. a counseling psychologist c. a clinical psychologist d. a ...
Rabies (Rhabdovirus)
Rabies (Rhabdovirus)

... Antibody Testing Send cross section of brain stem (through the medulla, pons, or midbrain area) and cerebellum (through EACH hemisphere and the vermis). Many laboratories will not start ancillary testing until negative rabies results have been received. Contact the laboratory for specific policies a ...
The Nervous System
The Nervous System

...  Have 3 specialized characteristics  Longevity: with nutrition, can live as long as you do  Amitotic: unable to reproduce themselves (so cannot be replaced) ...
Nerve activates contraction
Nerve activates contraction

...  Have 3 specialized characteristics  Longevity: with nutrition, can live as long as you do  Amitotic: unable to reproduce themselves (so cannot be replaced) ...
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Holonomic brain theory

The holonomic brain theory, developed by neuroscientist Karl Pribram initially in collaboration with physicist David Bohm, is a model of human cognition that describes the brain as a holographic storage network. Pribram suggests these processes involve electric oscillations in the brain's fine-fibered dendritic webs, which are different from the more commonly known action potentials involving axons and synapses. These oscillations are waves and create wave interference patterns in which memory is encoded naturally, and the waves may be analyzed by a Fourier transform. Gabor, Pribram and others noted the similarities between these brain processes and the storage of information in a hologram, which can also be analyzed with a Fourier transform. In a hologram, any part of the hologram with sufficient size contains the whole of the stored information. In this theory, a piece of a long-term memory is similarly distributed over a dendritic arbor so that each part of the dendritic network contains all the information stored over the entire network. This model allows for important aspects of human consciousness, including the fast associative memory that allows for connections between different pieces of stored information and the non-locality of memory storage (a specific memory is not stored in a specific location, i.e. a certain neuron).
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