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Development of the spinal cord
Development of the spinal cord

... hemispheres of the brain. Still others—those of the internal capsule—will connect the cortical white matter to the brain stem, generally by way of the thalamus. • For example, the axons arising from the motor cortex will pass through the internal capsule to connect to the motor neurons in the spinal ...
Sleep Mar 19 2013x - Lakehead University
Sleep Mar 19 2013x - Lakehead University

Copy of Development of the spinal cord
Copy of Development of the spinal cord

... hemispheres of the brain. Still others—those of the internal capsule—will connect the cortical white matter to the brain stem, generally by way of the thalamus. • For example, the axons arising from the motor cortex will pass through the internal capsule to connect to the motor neurons in the spinal ...
Real-time tomography from magnetoencephalography (MEG
Real-time tomography from magnetoencephalography (MEG

... Abstract. Magnetoencephalography (MEG) and electroencephalography (EEG) were the Cinderellas of neuroimaging. On the one hand they are endowed with unparallel temporal resolution, while on the other they are in theory unable to uniquely determine the generators, even when a complete and exact set of ...
doc midterm 1 chapter notes
doc midterm 1 chapter notes

... more, sending those traits to their offspring, who in turn will reproduce more themselves. Thus, the trait will become more prevalent in future generations. In ARTIFICIAL SELECTION (selective breeding of dogs, for instance), can produce such a variety of different breeds, then Darwin hypothesized th ...
31.1 The Neuron - science-b
31.1 The Neuron - science-b

... A nerve impulse is self-propagating; that is, the flow of ions at the point of the impulse causes sodium channels just ahead of it to open. This allows the impulse to move rapidly along the axon. The flow of an impulse can be compared to the fall of a row of dominoes. As each domino falls, it causes ...
Abstracts - BCCN 2009
Abstracts - BCCN 2009

... * [email protected] ...
Stimulation-Induced Functional Decoupling (SIFD)
Stimulation-Induced Functional Decoupling (SIFD)

... Train of biphasic, charge-balanced pulses such as those used in Medtronic® stimulators ...
Gender Differences in Human Brain: A Review
Gender Differences in Human Brain: A Review

... Men have 4% more neurons than women, and about 100 grams more of brain tissue. Women have a more developed neuropil, or the space between cell bodies, which contains synapses, dendrites and axons. This may explain why women are more prone to dementia (such as Alzheimer's disease) than men, because a ...
echo4
echo4

... There is a vast amount of structure and regularity in language, and no attempt will be made here to specify this exhaustively. In general, the details fit with the concepts that have been discussed. One particular issue that deserves discussion is how much language-specificity is involved in the sys ...
Neuronal networks for induced `40 Hz` rhythms
Neuronal networks for induced `40 Hz` rhythms

... be central to our cognitivefunction, be fundamentalto the neural code, have some entirely different role, or simplybean epiphenomenon32with no deepmeaning. We believethat one key step to resolvingthese issuesis to understandthe cellularandnetworkmechanismsthat generate gamma rhythms, and to developp ...
Automatic and Voluntary Shifts of Attention in a Dynamic Neural... the Dimensional Change Card Sort Task
Automatic and Voluntary Shifts of Attention in a Dynamic Neural... the Dimensional Change Card Sort Task

... visual cortex. To highlight the dynamics that lead to peak formation, Figure 2 shows a 1-dimensional spatial system (the same architecture and dynamics are present for the 2dimensional fields to be described below, except the interactions are along both dimensions). For these 1dimensional fields, ne ...
This article was originally published in the Encyclopedia of
This article was originally published in the Encyclopedia of

... resolving the interference created by the prepotent compatible response. Human imaging work suggests that the LPFC contributes to the resolution of this interference. Response selection appears to be subserved by both the DLPFC and VLPFC, together with a network of regions often observed in attentio ...
35 | the nervous system
35 | the nervous system

... endoplasmic reticulum, Golgi apparatus, mitochondria, and other cellular components. Neurons also contain unique structures, illustrated in Figure 35.3 for receiving and sending the electrical signals that make neuronal communication possible. Dendrites are tree-like structures that extend away from ...
BASIC PSYCHOLOGICAL PROCESS
BASIC PSYCHOLOGICAL PROCESS

... covers a broad range of disorders, from depression to obsession-compulsion to sexual deviation and many more. Counselors, clinical psychologists and psychotherapists often work directly in this field. Behavioral Psychology ...
PDF
PDF

... of U by modifying the length constant p and the cut off R for several choices of the gain g and threshold K. Figure 2 shows a typical example, a plot of the propagation velocity against the inverse of the synaptic length constant p for different length cutoffs R. For convenience, we have divided the ...
ling411-10-MEG
ling411-10-MEG

... • ERP – event-related potential  With MEG • ERF – event-related (magnetic) field • Addition from 100 or more trials for each tested condition needed to get measurable data ...
Chapter 7 - Psychology
Chapter 7 - Psychology

... are capable of responding to various types of stimulation that may cause tissue damage (heat, cold, cutting, or burning). myelin - A fatty substance that acts as insulation for the axons of some neurons. Neural impulses are transmitted much faster by neurons with myelinated axons. fiber size - large ...
Cellular mechanisms underlying network synchrony in the medial
Cellular mechanisms underlying network synchrony in the medial

...  cells with overlapping place fields along an animal’s trajectory could fire at progressively earlier phases of the theta oscillation. ...
BvP neurons exhibit a larger variety in statistics of inter
BvP neurons exhibit a larger variety in statistics of inter

... of (CV,SK) lie outside of the small region, and the magnitude of the deviations correspond to input correlations on a scale of hundreds of milliseconds in the LIF model.2) The relationship between input and output statistics generally depends on the spiking mechanism of the neuron. It is known that ...
Development of the Nervous System
Development of the Nervous System

... the neural tube that develops into the brainstem, there is a sudden proliferation in a part called the roof plate, where previously there hasn’t yet been much proliferation. This proliferation rapidly occurs, and there is natural expansion of the roof plate. This pushes the alar plates more laterall ...
Network structure underlying resolution of conflicting non
Network structure underlying resolution of conflicting non

... either which of the regions mainly controls the social conflict resolutions or which of the connectivity among the regions is selectively recruited in specific conflict resolutions. In this fMRI study, hence, we aimed at clarifying what functional dissociations and network structure among the brain ...
Prospective memory and aging: preserved
Prospective memory and aging: preserved

... (longer, shorter) between subjects and lexical decision task item (target, control) within subjects. We were interested in prospective memory performance during an initial imagerating phase, lexical decision response latencies to target and control words, and performance on measures of inhibition (S ...
The role of neuronal signaling in controlling cerebral blood flow
The role of neuronal signaling in controlling cerebral blood flow

... innervation of pial arteries is provided by peripheral nerves, while arterioles and capillaries are innervated by central neurons (local interneurons and projection neurons) and are closely apposed by glial end-feet. ...
the iterative reprocessing model
the iterative reprocessing model

... Building on recent advances in cognitive and affective neuroscience, we present a preliminary neural model of the networks involved in evaluation (see Cunningham & Zelazo, 2007; Zelazo & Cunningham, 2007 for more details). The IR Model of evaluation is predicated on the interaction between different ...
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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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