The Features and Functions of Neuronal Assemblies: Possible
... wide range of brain functions can now be better understood by reference to assemblies (von Stein and Sarnthein, 2000; Buzsaki and Draguhn, 2004), from visual processing (Vucinic and Sejnowski, 2007; Greenberg et al., 2008; Miller et al., 2014) to impact of depth of anesthesia on evoked sensory respo ...
... wide range of brain functions can now be better understood by reference to assemblies (von Stein and Sarnthein, 2000; Buzsaki and Draguhn, 2004), from visual processing (Vucinic and Sejnowski, 2007; Greenberg et al., 2008; Miller et al., 2014) to impact of depth of anesthesia on evoked sensory respo ...
Modulation of visceral function by selective stimulation of the left
... to the region innervating the specific internal organs or glands. The results showed that specific electrode configurations had actions on the heart (GTE 9), lungs (GTE 4) and pressure in the urinary bladder (GTE 1). It was also shown that GTE no. 10 significantly modified the endocrine function of ...
... to the region innervating the specific internal organs or glands. The results showed that specific electrode configurations had actions on the heart (GTE 9), lungs (GTE 4) and pressure in the urinary bladder (GTE 1). It was also shown that GTE no. 10 significantly modified the endocrine function of ...
Principles of Extracellular Single
... with behaviors or physiological events. Electrical or chemical stimulation of identified cell populations at the recording site can also be used to determine the effects of cell activity on behavior or physiology. As with any methodology, there are limits to the kinds of questions that can be addres ...
... with behaviors or physiological events. Electrical or chemical stimulation of identified cell populations at the recording site can also be used to determine the effects of cell activity on behavior or physiology. As with any methodology, there are limits to the kinds of questions that can be addres ...
Uygar Sümbül - Department of Statistics
... All excitatory and inhibitory synapses on the dendritic arbors of cortical pyramidal neurons are identified using structural and molecular information. Statistical methods are devised to analyze their distributions in wild type and mutant mice. • Segmentation of multi-spectral images of nervous tiss ...
... All excitatory and inhibitory synapses on the dendritic arbors of cortical pyramidal neurons are identified using structural and molecular information. Statistical methods are devised to analyze their distributions in wild type and mutant mice. • Segmentation of multi-spectral images of nervous tiss ...
Neurobiology of injury to the developing brain.
... between CBF in the perilesional cortex and vessel density (r = -0.75, p < 0.01). However, in the hippocampus, we found a 13% decrease in CBF ipsilaterally (p < 0.05) and 20% contralaterally (p < 0.01), and no change in vessel number. In the ipsilateral thalamus, the increase in CBF (34%, p < 0.01) w ...
... between CBF in the perilesional cortex and vessel density (r = -0.75, p < 0.01). However, in the hippocampus, we found a 13% decrease in CBF ipsilaterally (p < 0.05) and 20% contralaterally (p < 0.01), and no change in vessel number. In the ipsilateral thalamus, the increase in CBF (34%, p < 0.01) w ...
The theory of constructed emotion: an active inference account of
... a single organ or a collection of ‘mental modules’, it becomes apparent that this one anatomic structure of neurons can create an astounding number of spatiotemporal patterns, making the brain a network of high complexity (Sporns, 2011; Bullmore and Sporns, 2012; Rigotti et al., 2013). Natural selec ...
... a single organ or a collection of ‘mental modules’, it becomes apparent that this one anatomic structure of neurons can create an astounding number of spatiotemporal patterns, making the brain a network of high complexity (Sporns, 2011; Bullmore and Sporns, 2012; Rigotti et al., 2013). Natural selec ...
Instructions (PDF Document)
... Intracellular vs. Extracellular Neural recordings The electrical activity of a neuron can be recorded several different ways. Two common techniques are referred to as intracellular and extracellular recording. Intracellular recordings rely on a microelectrode (typically an ultra sharp glass pipette ...
... Intracellular vs. Extracellular Neural recordings The electrical activity of a neuron can be recorded several different ways. Two common techniques are referred to as intracellular and extracellular recording. Intracellular recordings rely on a microelectrode (typically an ultra sharp glass pipette ...
A Neural Network Based Navigation for Intelligent Autonomous
... knowledge based systems are involved. In general Neural Networks deal with cognitive tasks such as learning, adaptation generalization and they are well appropriate when knowledge based systems are involved. To solve navigation problems, neural networks prove interesting to deal with the behaviour o ...
... knowledge based systems are involved. In general Neural Networks deal with cognitive tasks such as learning, adaptation generalization and they are well appropriate when knowledge based systems are involved. To solve navigation problems, neural networks prove interesting to deal with the behaviour o ...
DECODING NEURONAL FIRING AND MODELING NEURAL
... over an extended period, the final form of the kernel reflects both the firing properties of the neuron and the statistics of the input data stream. Generating a direct estimate of the stimulus signal, xest (t) = r(t), is not the only thing that can be done with a linear filter. Other measures of th ...
... over an extended period, the final form of the kernel reflects both the firing properties of the neuron and the statistics of the input data stream. Generating a direct estimate of the stimulus signal, xest (t) = r(t), is not the only thing that can be done with a linear filter. Other measures of th ...
PPT - 서울대 Biointelligence lab
... Central problem in neuroscience: How the brain or neocortex codes information and how the signals are used by neuronal processes for the control of behavior “self-referencing system” “ongoing self-maintaining system” – so treating brain as an input-output system can have only limited success. Many s ...
... Central problem in neuroscience: How the brain or neocortex codes information and how the signals are used by neuronal processes for the control of behavior “self-referencing system” “ongoing self-maintaining system” – so treating brain as an input-output system can have only limited success. Many s ...
LINKING PROPOSITIONS*
... Visual science is an eclectic discipline. Visual scientists are interested in what people see, as measured by psychophysical experiments and described by phenomenal reports. They are also interested in the physiology of the visual system, and in all elements of the substrate upon which human visual ...
... Visual science is an eclectic discipline. Visual scientists are interested in what people see, as measured by psychophysical experiments and described by phenomenal reports. They are also interested in the physiology of the visual system, and in all elements of the substrate upon which human visual ...
From Thought to Action
... 2.1 Cells of the nervous system and the action potential The nervous system is composed of neurons, support cells (glia), blood supply (vasculature), and extracellular material (matrix). Each cell in the nervous system is composed of basic elements that are common to all cells. A lipid bilayer membr ...
... 2.1 Cells of the nervous system and the action potential The nervous system is composed of neurons, support cells (glia), blood supply (vasculature), and extracellular material (matrix). Each cell in the nervous system is composed of basic elements that are common to all cells. A lipid bilayer membr ...
Chapter 13 PowerPoint - Hillsborough Community College
... • Injury to median nerve makes it difficult to use pincer grasp (opposed thumb and index finger) to pick up small objects • Seen in carpal tunnel syndrome, when median nerve is compressed – Also, frequent casualty of wrist-slashing suicide attempts ...
... • Injury to median nerve makes it difficult to use pincer grasp (opposed thumb and index finger) to pick up small objects • Seen in carpal tunnel syndrome, when median nerve is compressed – Also, frequent casualty of wrist-slashing suicide attempts ...
Dissecting appetite
... neurons is sufficient to cause starvation7. To map neurons downstream of the CGRP neurons, Palmiter used a fluorescent protein to light up the axons. This revealed that they projected into the amygdala — a brain structure involved in memory and emotion. Palmiter says this could explain why we lose o ...
... neurons is sufficient to cause starvation7. To map neurons downstream of the CGRP neurons, Palmiter used a fluorescent protein to light up the axons. This revealed that they projected into the amygdala — a brain structure involved in memory and emotion. Palmiter says this could explain why we lose o ...
REVIEWS - Institute for Applied Psychometrics
... Figure 2 | The scalar property is a hallmark of interval timing at both the behavioural and neural levels. a | In a typical duration reproduction procedure known as the ‘peak-interval procedure’, participants receive training trials, during which they are presented with target stimuli of specific cr ...
... Figure 2 | The scalar property is a hallmark of interval timing at both the behavioural and neural levels. a | In a typical duration reproduction procedure known as the ‘peak-interval procedure’, participants receive training trials, during which they are presented with target stimuli of specific cr ...
Neuroscience: Science of the Brain
... sound, mechanical and chemical stimuli subserve the sensory modalities of vision, hearing, touch, smell and taste. When mechanical, thermal or chemical stimuli to the skin exceed a certain intensity, they can cause tissue damage and a special set of receptors called nociceptors are activated; these ...
... sound, mechanical and chemical stimuli subserve the sensory modalities of vision, hearing, touch, smell and taste. When mechanical, thermal or chemical stimuli to the skin exceed a certain intensity, they can cause tissue damage and a special set of receptors called nociceptors are activated; these ...
Krasnow Institute for Advanced Studies -- George
... What are the functional operations? What are the knowledge data structures? How are messages encoded? How are images processed? How are relationships established and broken? How are signals transformed into into symbols? How does the brain generate the incredibly complex colorful, dynamic internal r ...
... What are the functional operations? What are the knowledge data structures? How are messages encoded? How are images processed? How are relationships established and broken? How are signals transformed into into symbols? How does the brain generate the incredibly complex colorful, dynamic internal r ...
Neurophysiological evidence of spared upper motor neurons after
... the injured groups. The presence of MEPs in 3/5 (60%) of the tetraplegic animals may imply the existence of functionally active motor fibers after severe spinal trauma. Keywords: ...
... the injured groups. The presence of MEPs in 3/5 (60%) of the tetraplegic animals may imply the existence of functionally active motor fibers after severe spinal trauma. Keywords: ...
Optical Control of Muscle Function by Transplantation of Stem Cell
... Damage to the central nervous system caused by traumatic injury or neurological disorders can lead to permanent loss of voluntary motor function and muscle paralysis. Here, we describe an approach that circumvents central motor circuit pathology to restore specific skeletal muscle function. We gener ...
... Damage to the central nervous system caused by traumatic injury or neurological disorders can lead to permanent loss of voluntary motor function and muscle paralysis. Here, we describe an approach that circumvents central motor circuit pathology to restore specific skeletal muscle function. We gener ...
Neural representation of object orientation: A dissociation between
... as regressors of no interest in all subsequent GLM analyses. No additional spatial or temporal smoothing was performed. All analyses were performed in native space (after ACPC alignment of functional and anatomical images). After ROIs were defined for each participant, timecourses for each ROI for ea ...
... as regressors of no interest in all subsequent GLM analyses. No additional spatial or temporal smoothing was performed. All analyses were performed in native space (after ACPC alignment of functional and anatomical images). After ROIs were defined for each participant, timecourses for each ROI for ea ...
Chapter 9b final
... melatonin during the night Melatonin acts back on various brain areas (including SCN), and controls hormones, physiological process, behaviors that show seasonal variations ...
... melatonin during the night Melatonin acts back on various brain areas (including SCN), and controls hormones, physiological process, behaviors that show seasonal variations ...
nerve part 1
... channels open and Na ions flow into the cell (Na influx). • As a result of sudden Na influx, the membrane potential quickly reaches zero potential and then overshoots to about +35 mv, so there is a momentary reversal in polarity ...
... channels open and Na ions flow into the cell (Na influx). • As a result of sudden Na influx, the membrane potential quickly reaches zero potential and then overshoots to about +35 mv, so there is a momentary reversal in polarity ...
The role of neuronal signaling in controlling cerebral blood flow
... functional hyperemia, is the basis for several modern imaging techniques that have revolutionized the study of human brain activity. Here, we review the mechanisms of functional hyperemia and their implications for interpreting the blood oxygen level-dependent (BOLD) contrast signal used in function ...
... functional hyperemia, is the basis for several modern imaging techniques that have revolutionized the study of human brain activity. Here, we review the mechanisms of functional hyperemia and their implications for interpreting the blood oxygen level-dependent (BOLD) contrast signal used in function ...
Neurophysiology of Swallow #2
... previous learning. o It is different from a simple reflex in that it can not be elicited by isolated nerve activation (e.g., gag reflex) but must instead conform to a highly codified stimulus pattern that produces a behavioral sequence of more elementary motor acts. o Different individuals produce a ...
... previous learning. o It is different from a simple reflex in that it can not be elicited by isolated nerve activation (e.g., gag reflex) but must instead conform to a highly codified stimulus pattern that produces a behavioral sequence of more elementary motor acts. o Different individuals produce a ...