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Simulations of neuromuscular control in lamprey swimming
Simulations of neuromuscular control in lamprey swimming

... in£uence each other depending on their mutual phase relations. Applying the mathematics of coupled nonlinear oscillators to such models has made it possible to make predictions about the nature of the coupling (Cohen et al. 1982, 1992; Kopell 1988). A number of models where neurons are used have bee ...
Chapter 7 The Nervous System
Chapter 7 The Nervous System

... iii. ...
The Features and Functions of Neuronal Assemblies: Possible
The Features and Functions of Neuronal Assemblies: Possible

... well as revealing previously unappreciated but basic differences between analgesics, (morphine and gabapentin), and anesthetics, (thiopental and propofol) (Collins et al., 2007). Yet whilst known functions can be more accurately described in terms of activity patterns, assemblies themselves might be ...
A simulation of parahippocampal and hippocampal structures guiding spatial navigation of
A simulation of parahippocampal and hippocampal structures guiding spatial navigation of

... To reduce computing time, the initial encoding of the environment occurs with the virtual rat traversing a pre-coded trajectory through the T-maze. This brings the rat up the stem of the maze, into the left arm, back to the stem, up into the right arm and back to the original starting position in th ...
Imitation, Empathy, and Mirror Neurons
Imitation, Empathy, and Mirror Neurons

... literature inspired by sensory-motor models is the so-called correspondence problem (Nehaniv & Dautenhahn 2002). This problem can be summarized with the question: how is the sensory input from somebody else’s action transformed into a matching motor output by the imitator? For the ideomotor framewor ...
Single-cell recordings in the human medial temporal lobe
Single-cell recordings in the human medial temporal lobe

... recordings in the MTL in humans, given that this area is involved in certain forms of epilepsy (Niedermeyer, 1993). Moreover, with the proper setup, it is possible to record not only intracranial EEG or local field potentials (LFPs) – which account for mean activation patterns across several neurons ...
Chapter 4 Notes Power Point
Chapter 4 Notes Power Point

... •Embryonic stem cells can differentiate into any kind of human cell. •In recent years, scientists have successfully reprogrammed cells from adult organs (skin cells), to become stem cells. These are called “induced pluripotent stem (IPS)” cells. •Patient-advocacy groups hope that transplanted stem c ...
Conscious Modulation in Normal Sleep
Conscious Modulation in Normal Sleep

... modular cortex. They are anatomical and functional patches of active and inactive zones of brain cortex, when in slow wave sleep. These on and off, as a way of functioning suggest that consciousness depends not much on firing rates, synchronization at specific frequency bands, or even sensorial inpu ...
Imitation, Empathy, and Mirror Neurons
Imitation, Empathy, and Mirror Neurons

... literature inspired by sensory-motor models is the so-called correspondence problem (Nehaniv & Dautenhahn 2002). This problem can be summarized with the question: how is the sensory input from somebody else’s action transformed into a matching motor output by the imitator? For the ideomotor framewor ...
Chapter 15
Chapter 15

... neuropsychological assessment – The varied tasks on the Wechsler scales make the tests particularly useful in neuropsychological screening – Certain patterns of test responses indicate particular deficits (pattern analysis) – Several researchers are working to develop a definitive sign of brain dama ...
Neuronal morphology in the African elephant (Loxodonta africana
Neuronal morphology in the African elephant (Loxodonta africana

... Deep pyramidal neurons were qualitatively described according to nomenclature found in previous neuromorphological research (e.g., Ngowyang 1932; Ferrer et al. 1986a, b). Descriptions for each neuron used qualitative criteria, such as cortical location, size, dendritic field patterns, presence of sp ...
An overview of reservoir computing: theory, applications and
An overview of reservoir computing: theory, applications and

... recurrent neural network. The literature describes many possible applications, including the learning of context free and context sensitive languages [41, 11], control and modeling of complex dynamical systems [54] and speech recognition [40, 12]. RNNs have been shown to be Turing equivalent [25] fo ...
Modeling Visual Cognition
Modeling Visual Cognition

... validity in relation to both their structure and parameters. The latter determines whether the models are valid in terms of their direct link to psychologically meaningful concepts such as the rate of encoding of stimulus information and the amount of information that can be retained in memory. An a ...
The Role of Working Memory in Reading Disability
The Role of Working Memory in Reading Disability

... deficits in reading disability remains unclear. On The consequences of a reduced capacity in working memory may be extensive. Some have the one hand, the occurrence of these difficulties suggested that limited capacity may make it more in poor readers is widespread, having been found difficult to di ...
The Complicated Equation of Smell, Flavor, and Taste
The Complicated Equation of Smell, Flavor, and Taste

... this color. Colors and taste have no relationship with nutritional value. Smells cause strange sensations; who would have imagined that the smell of pumpkin pie increases penile blood ...
Mechanisms of response homeostasis during retinocollicular map
Mechanisms of response homeostasis during retinocollicular map

... plasticity mechanisms exist to stabilize neural networks and maintain the constancy of neuronal output in response to changes in activity levels. These include synaptic scaling, sliding threshold models of synaptic plasticity, dynamic regulation of the number and strength of synapses, and bidirectio ...
The Complicated Equation of Smell, Flavor, and Taste
The Complicated Equation of Smell, Flavor, and Taste

... recruitment of brain regions needed to analyze what is in one’s mouth, resulting in a totally new experience. Chefs can only go so far because most tastes and smells have strong emotional (hedonic) components that may render some combinations repellent. Last year, my wife and I decided to eat at Cor ...
How humans distinguish between smells
How humans distinguish between smells

... Columbia University as well as an investigator at the Howard Hughes Medical Institute, and Linda Buck who, at the time, was a post doctoral fellow in the Axel lab and is now a professor at the Fred Hutchinson Cancer Research Center. Axel and Buck were awarded the Nobel Prize in 2004 for their studie ...
Three Cases of Enduring Memory Impairment after Bilateral Damage
Three Cases of Enduring Memory Impairment after Bilateral Damage

Predicting functional neuroanatomical maps from fusing
Predicting functional neuroanatomical maps from fusing

... A central aim, from basic neuroscience to psychiatry, is to resolve how genes control brain circuitry and behavior. This is experimentally hard, since most brain functions and behaviors are controlled by multiple genes. In low throughput, one gene at a time, experiments, it is therefore difficult to ...
How do neurotransmitters affect the brain: Dopamine
How do neurotransmitters affect the brain: Dopamine

... as in the hypothalamus, the arcuate nucleus, and the caudad ...
full text pdf
full text pdf

... from the eye into the brain for information processing in the central nervous system (CNS). One of the first relay centers in this pathway is the dorsal Lateral Geniculate Nucleus (dLGN), a thalamic center in the diencephalon. Each dLGN hemisphere receives major input from the optic nerves and from ...
Storage – long term memory
Storage – long term memory

... -Some because they were never acquired (encoding failure) -Some because they were thrown away (storage decay) -Some because you don’t have enough information to look it up and retrieve it (retrieval failure) ...
Chronic Administration of Statins Alters Multiple Gene Expression
Chronic Administration of Statins Alters Multiple Gene Expression

... acid transporter-2, and this transporter family has been recently shown to transport the acid form of lovastatin into glomerular mesangial cells (Nagasawa et al., 2002). Of the 15 genes whose expression was changed by each of the three statins, only Fin15 listed under cell growth showed a decrease i ...
[PDF]
[PDF]

... and play an important role in dendritic patterning and spine morphogenesis [9, 11, 12]. To determine whether elevated miR-137 levels in neurons can affect neuronal maturation and dendritic morphogenesis, we overexpressed miR-137 in newborn cells of the adult DG using retrovirus-mediated gene deliver ...
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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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