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The precision of value-based choices depends causally on
The precision of value-based choices depends causally on

... a multielectrode set-up shown to induce coupling or decoupling of behaviourally relevant neural oscillations between distant cortical areas16. We adapted this methodology to exogenously modulate the fronto-parietal oscillatory circuit (in the gamma band B55 Hz) that was previously shown to selective ...
Intracellular study of rat substantia nigra pars reticulata neurons in
Intracellular study of rat substantia nigra pars reticulata neurons in

Binding Mechanisms in Visual Perception
Binding Mechanisms in Visual Perception

... opposite directions, the activities of these two neurons didn’t show correlated relation. If the two light bars were moving in the same direction, these two neurons showed weak synchronous activities, and this synchrony significantly increased when neurons were activated simultaneously by a single l ...
Hello. I`m Michael Farries, a graduate student of David Perkel. I have
Hello. I`m Michael Farries, a graduate student of David Perkel. I have

... (BG) can be more easily compared, and thus a homology-based system of nomenclature for the avian BG is within reach. Since there has been disagreement about virtually every other aspect of the nomenclature, it’s important that someone disagree about this, if only to maintain symmetry. I’ve decided t ...
Epilepsy - OMICS International
Epilepsy - OMICS International

... precise destinations throughout the brain. Without conscious effort, our neurons call one another on a network of trillions of connections. In epilepsy, we observe entire populations of neurons initiating a conversation without provocation, resulting in what we term a seizure, often causing a violen ...
Parallel Evolution of Cortical Areas Involved in Skilled Hand Use
Parallel Evolution of Cortical Areas Involved in Skilled Hand Use

... Dexterous hands, used to manipulate food, tools, and other objects, are one of the hallmarks of primate evolution. However, the neural substrate of fine manual control necessary for these behaviors remains unclear. Here, we describe the functional organization of parietal cortical areas 2 and 5 in t ...
Neurological Understanding of Surrogate Healing in
Neurological Understanding of Surrogate Healing in

... skin is removed, one can experience the other person's touch in one's mind the barrier between one human being and other human beings is dissolved. This is the basis of much of Eastern philosophy that is there is no real independent self, aloof from other human beings, inspecting the world or inspec ...
The Nervous System Introduction Organization of Neural Tissue
The Nervous System Introduction Organization of Neural Tissue

... Cerebral Motor Activity • Primary motor cortex – Most of the neurons here control muscles with the most precise motor control – the face, tongue, and hands – Individual neurons must work together to coordinate movement – Neurons that control related movements intermingle ...
Document
Document

... network, rather than at specific locations. In other words, in neural networks, both data and its processing are global rather than local. Learning is a fundamental and essential characteristic of biological neural networks. The ease with which they can learn led to attempts to emulate a biological ...
The hippocampo-cortical loop: Spatio
The hippocampo-cortical loop: Spatio

... In all our models, neurons are modeled as analog units. However this single neuron activity is representative of what is assumed to be a population code in-vivo (see Section 5 for a discussion). According to Gaussier, Revel, Banquet, and Babeau (2002) (see also Fig. 3), sensory states are built in t ...
Efferent connections of the parabigeminal nucleus to the amygdala
Efferent connections of the parabigeminal nucleus to the amygdala

... populations, as already indicated in Figs. 1c, e. On the contralateral side (Fig. 1h), the cells of origin of these two pathways are mixed. There are apparently three populations: neurons that project only to the Am, cells that project only to the SC (a smaller number), and double-labeled neurons th ...
Spiking Neurons - Computing Science and Mathematics
Spiking Neurons - Computing Science and Mathematics

... These classical results show that the experimenter as an external observer can evaluate and classify neuronal firing by a spike count measure - but is this really the code used by neurons in the brain ? In other words , is a neuron which receives signals from a sensory neuron only looking at and rea ...
Unit One: Introduction to Physiology: The Cell and General Physiology
Unit One: Introduction to Physiology: The Cell and General Physiology

... a. Incoming sensory signal excites layer IV first; signal spreads toward the surface and also deeper layers b. Layers I and II receive diffuse nonspecific input signals c. Neurons in II and III send axons to related portions of the cerebral cortex and to the opposite hemisphere via the corpus callos ...
Steroids CLASS COPY
Steroids CLASS COPY

... organs, including the liver, kidneys, heart, and brain. They can also have a profound effect on reproductive organs and hormones. Many of the effects of steroids are brought about through their actions in the brain. Once steroids enter the brain, they are distributed to many regions, including the h ...
PDF - Bentham Open
PDF - Bentham Open

... Department of Biological Sciences, University of North Texas, Denton, Texas 76203, USA Abstract: A theoretical model for deriving the origin of emotional functions from first principles is introduced. The model, called “Emotional Model Of the Theoretical Interpretations Of Neuroprocessing”, abbrevia ...
the anatomy and neurosecretory system of the
the anatomy and neurosecretory system of the

... arising from the lateral surface of the brain, about midway along its length, and innervating the paired nuchal organs which lie at the posteralateral margins of the prostomium; 1 pair of circumoesophageal connectives. In Nephtys, the stomatogastric system arises from the circumoesophageal connectiv ...
Text - Spectrum: Concordia
Text - Spectrum: Concordia

... The trend of explaining consciousness by applying quantum theories has gained popularity in recent years and, although clearly disdained by many neuroscientists, more and more, researchers have been directing their attention to quantum explanations (Valverde 2016). Brian D. Josephson (1962) of the U ...
MIRROR NEURON FUNCTION: AN EXAMINATION OF
MIRROR NEURON FUNCTION: AN EXAMINATION OF

... possible to interpret another’s interest in the topic. Motor, or sensory, empathy is the phenomenon of experiencing similar sensory input as the individual experiencing the stimulus firsthand (Loggia, Mogil, & Bushnell, 2008). This is the form of empathy behind experiencing sensory pain when observi ...
the Lateral Lemniscus Powerful, Onset Inhibition in the Ventral
the Lateral Lemniscus Powerful, Onset Inhibition in the Ventral

Slide 1
Slide 1

... nervous system and which receives and sends messages within that system. • Parts of a Neuron – ** Dendrites - branch-like structures that receive messages from other neurons. (the in) – Soma - the cell body of the neuron, responsible for maintaining the life of the cell. – Axon - long tube-like stru ...
Voltage-Dependent Switching of Sensorimotor Integration by a
Voltage-Dependent Switching of Sensorimotor Integration by a

... Universités Bordeaux 1 et 2, Centre National de la Recherche Scientifique, Unité Mixte de Recherche 5543, Laboratoire de Physiologie et Physiopathologie de la Signalisation Cellulaire, 33076 Bordeaux Cedex, France ...
Mirror Neurons and Mirror Systems in Monkeys and Humans
Mirror Neurons and Mirror Systems in Monkeys and Humans

... that is going on in front of the observer, there is recent evidence that, thanks to the functional organization of the parietal and premotor mirror neurons, the observer is also able to understand why that motor act is done, in other terms, the goal of the action of which motor act is part. This evi ...
fMRI - Rackcdn.com
fMRI - Rackcdn.com

... Rest 20 seconds ...
Full text PDF - Bosnian Journal of Basic Medical Sciences
Full text PDF - Bosnian Journal of Basic Medical Sciences

... Synapse forming is the most important process during neurogenesis. Synaptic contacts are a product of interaction between endogenous factors (genetic) and exogenous factors (time and space). Synapses are formed in the beginning of the third month of pregnancy. The most intensive period of synaptogen ...
Spinal Cord
Spinal Cord

... • Structural changes in the brain include abnormal protein deposits and twisted fibers within neurons • Victims experience memory loss, irritability, confusion, and ultimately, hallucinations and death © 2012 Pearson Education, Inc. ...
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Metastability in the brain

In the field of computational neuroscience, the theory of metastability refers to the human brain’s ability to integrate several functional parts and to produce neural oscillations in a cooperative and coordinated manner, providing the basis for conscious activity.Metastability, a state in which signals (such as oscillatory waves) fall outside their natural equilibrium state but persist for an extended period of time, is a principle that describes the brain’s ability to make sense out of seemingly random environmental cues. In the past 25 years, interest in metastability and the underlying framework of nonlinear dynamics has been fueled by advancements in the methods by which computers model brain activity.
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