Lange Physiology > Section II
... contain them and release their neuropeptide contents by exocytosis from all parts of the terminal. On the other hand, the small vesicles are located near the synaptic cleft and fuse to the membrane, discharging their contents very rapidly into the cleft at areas of membrane thickening called active ...
... contain them and release their neuropeptide contents by exocytosis from all parts of the terminal. On the other hand, the small vesicles are located near the synaptic cleft and fuse to the membrane, discharging their contents very rapidly into the cleft at areas of membrane thickening called active ...
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... The human brain is a complex organ made up of neurons and several other cell types, and whose role is processing information for use in eliciting behaviors. However, the composition of its repeating cellular units for both structure and function are unresolved. Based on recent descriptions of the br ...
... The human brain is a complex organ made up of neurons and several other cell types, and whose role is processing information for use in eliciting behaviors. However, the composition of its repeating cellular units for both structure and function are unresolved. Based on recent descriptions of the br ...
ANATOMY AND PHYSIOLOGY OF THE AUTONOMIC NERVOUS
... neurons lying in the intramural plexuses of the GIT. It receives inputs from sympathetic and parasympathetic systems but can act on its own to control the motor and secretory functions of the intestine. ...
... neurons lying in the intramural plexuses of the GIT. It receives inputs from sympathetic and parasympathetic systems but can act on its own to control the motor and secretory functions of the intestine. ...
A18 - Viktor`s Notes for the Neurosurgery Resident
... *helps to dampen oscillations caused by conduction delays in feedback loop regulating muscle length (normally small oscillation in this feedback loop occurs - physiologic tremor ≈ 10 Hz). when muscle ACTIVELY contracts, spindle stops firing (muscle shortens while spindle does not) – unloading ← it ...
... *helps to dampen oscillations caused by conduction delays in feedback loop regulating muscle length (normally small oscillation in this feedback loop occurs - physiologic tremor ≈ 10 Hz). when muscle ACTIVELY contracts, spindle stops firing (muscle shortens while spindle does not) – unloading ← it ...
Ch19 Lecture
... movement—people tend to respond immediately … stop what they are doing … orient toward the stimulus, and try to identify its potential for actual danger. This happens very quickly, in a reflex-like sequence in which action precedes any voluntary or consciously intentioned behavior. A poorly localiza ...
... movement—people tend to respond immediately … stop what they are doing … orient toward the stimulus, and try to identify its potential for actual danger. This happens very quickly, in a reflex-like sequence in which action precedes any voluntary or consciously intentioned behavior. A poorly localiza ...
dynamics of pathomorphological changes in rat ischemic spinal cord
... penumbra (2). In the area of the penumbra, the energy metabolism is mostly preserved, and the changes are functional, not structural (3). It is the region of “critical” or “misery” perfusion where the neuronal function is reduced because the tissue metabolic demands are not met, but the cells are vi ...
... penumbra (2). In the area of the penumbra, the energy metabolism is mostly preserved, and the changes are functional, not structural (3). It is the region of “critical” or “misery” perfusion where the neuronal function is reduced because the tissue metabolic demands are not met, but the cells are vi ...
The evolution of nervous system centralization
... by axon tracts (neuropil). The CNS may be subdivided into separate parts (ganglia). It connects to the periphery via nerves. A CNS thus defined is found in various shapes and degrees of complexity in different animal phyla, including vertebrates and many invertebrates, such as echinoderms, arthropod ...
... by axon tracts (neuropil). The CNS may be subdivided into separate parts (ganglia). It connects to the periphery via nerves. A CNS thus defined is found in various shapes and degrees of complexity in different animal phyla, including vertebrates and many invertebrates, such as echinoderms, arthropod ...
characterisation of dopamine neurons of the murine ventral
... worldwide incidence of schizophrenia remains constant at about 1% (Prakash & Wurst, 2006). ...
... worldwide incidence of schizophrenia remains constant at about 1% (Prakash & Wurst, 2006). ...
Are Bigger Brains Better?
... While some increases in brain size will affect cognitive capacity, many increases in certain brain areas — especially those involved in sensory and motor processing — produce only quantitative improvements: more detail, finer resolution, higher sensitivity, greater precision — in other words, more o ...
... While some increases in brain size will affect cognitive capacity, many increases in certain brain areas — especially those involved in sensory and motor processing — produce only quantitative improvements: more detail, finer resolution, higher sensitivity, greater precision — in other words, more o ...
Structural changes of the human superior cervical
... Since SCG is the main source of sympathetic innervation of the cerebral arteries, we proposed a hypothesis that a stroke damaging the integrity of cerebral arteries and the structure of perivascular nervous plexus may cause distal axonal damage and indirectly contribute to defects in axonal transpor ...
... Since SCG is the main source of sympathetic innervation of the cerebral arteries, we proposed a hypothesis that a stroke damaging the integrity of cerebral arteries and the structure of perivascular nervous plexus may cause distal axonal damage and indirectly contribute to defects in axonal transpor ...
The Spinal Cord
... Months before you were born, your spinal cord reached all the way through your sacrum, but as you continued to develop it grew less quickly than the vertebrae which surround it. At birth, your conus medullaris was at lumbar vertebrae 3 or 4. It now lies between lumbar vertebrae 1 and 2. That means ...
... Months before you were born, your spinal cord reached all the way through your sacrum, but as you continued to develop it grew less quickly than the vertebrae which surround it. At birth, your conus medullaris was at lumbar vertebrae 3 or 4. It now lies between lumbar vertebrae 1 and 2. That means ...
Nerve activates contraction
... Lateral and anterior columns carry both • Ascending/afferent sensory tracts • Descending/efferent motor tracts Pathways are composed of 2-3 neurons in a chain or relay Pathways cross from one side of the CNS to the other (decussate) ...
... Lateral and anterior columns carry both • Ascending/afferent sensory tracts • Descending/efferent motor tracts Pathways are composed of 2-3 neurons in a chain or relay Pathways cross from one side of the CNS to the other (decussate) ...
CNS - Algonquin College
... medulla, more commonly referred to as white matter. This is an area of myelinated axons that interconnect neurons both within the nervous system and with other body parts. The surface of the cerebral cortex is marked by ridges and grooves (gyri) and is divided into lobes by spaces called sulci. Ther ...
... medulla, more commonly referred to as white matter. This is an area of myelinated axons that interconnect neurons both within the nervous system and with other body parts. The surface of the cerebral cortex is marked by ridges and grooves (gyri) and is divided into lobes by spaces called sulci. Ther ...
Nervous System - Lakeridge Health
... medulla, more commonly referred to as white matter. This is an area of myelinated axons that interconnect neurons both within the nervous system and with other body parts. The surface of the cerebral cortex is marked by ridges and grooves (gyri) and is divided into lobes by spaces called sulci. Ther ...
... medulla, more commonly referred to as white matter. This is an area of myelinated axons that interconnect neurons both within the nervous system and with other body parts. The surface of the cerebral cortex is marked by ridges and grooves (gyri) and is divided into lobes by spaces called sulci. Ther ...
biological bases of behavior
... The “tail” of the neuron; sends info away from the cell body Made up of several glial cells, insulates the axon to make sure no random signals get in and no signals slip out The areas between the synaptic end bulbs and dendrites of another neuron where neurotransmitters are released and taken. The b ...
... The “tail” of the neuron; sends info away from the cell body Made up of several glial cells, insulates the axon to make sure no random signals get in and no signals slip out The areas between the synaptic end bulbs and dendrites of another neuron where neurotransmitters are released and taken. The b ...
moth`s nervous system - Wageningen UR E
... potent sex-pheromonal components for eliciting physiological responses in the AL neurons. On the basis of these responses, we classified the neurons into two broad categories: pheromone generalists and pheromone specialists43. Pheromone generalists are neurons that respond similarly to stimulation o ...
... potent sex-pheromonal components for eliciting physiological responses in the AL neurons. On the basis of these responses, we classified the neurons into two broad categories: pheromone generalists and pheromone specialists43. Pheromone generalists are neurons that respond similarly to stimulation o ...
Physiological Psychology
... emergencies. Axons from neurons in the thoracic and lumbar segments of the spinal cord communicate with a series of ganglia just outside the cord known as the sympathetic chain. Fibers from cells in the sympathetic chain then communicate with target organs. Because the messages from the spinal neuro ...
... emergencies. Axons from neurons in the thoracic and lumbar segments of the spinal cord communicate with a series of ganglia just outside the cord known as the sympathetic chain. Fibers from cells in the sympathetic chain then communicate with target organs. Because the messages from the spinal neuro ...
Chapter 13 - Martini
... Components of the PNS • Sensory Pathways – Enter the cord via the dorsal roots. – Have unipolar cell bodies found in the dorsal root ganglia. – Carry sensory inputs into the CNS via the central processes of their axons. They begin at the general sensory receptors of the skin (somatic sensory) and i ...
... Components of the PNS • Sensory Pathways – Enter the cord via the dorsal roots. – Have unipolar cell bodies found in the dorsal root ganglia. – Carry sensory inputs into the CNS via the central processes of their axons. They begin at the general sensory receptors of the skin (somatic sensory) and i ...
Extended Liquid Computing in Networks of Spiking Neurons
... The H&H model being of an extreme accuracy from a biological point of view, but extremely demanding from a numerical point of view, numerous simplified models have been thereafter introduced in order to allow computations to be performed on large populations of interacting neurons. The Izhikevich mo ...
... The H&H model being of an extreme accuracy from a biological point of view, but extremely demanding from a numerical point of view, numerous simplified models have been thereafter introduced in order to allow computations to be performed on large populations of interacting neurons. The Izhikevich mo ...
General Organization of Somatosensory System
... part of the brain affecting balance. Proprioception is occasionally impaired spontaneously, especially when one is tired. One's body may appear too large or too small, or parts of the body may appear distorted in size. Similar effects can sometimes occur during epilepsy or migraine auras. These effe ...
... part of the brain affecting balance. Proprioception is occasionally impaired spontaneously, especially when one is tired. One's body may appear too large or too small, or parts of the body may appear distorted in size. Similar effects can sometimes occur during epilepsy or migraine auras. These effe ...
PowerPoint-Präsentation
... (n-1) < t < n. This choice requires a central clock or pacemaker and is sensitive to timing errors. Asynchronous or Sequential (more natural for both brains and artificial networks) All neurons are updated one by one, where one can proceed in either of two ways: at each time step, select at random a ...
... (n-1) < t < n. This choice requires a central clock or pacemaker and is sensitive to timing errors. Asynchronous or Sequential (more natural for both brains and artificial networks) All neurons are updated one by one, where one can proceed in either of two ways: at each time step, select at random a ...
commissural axons
... molecular crosstalks that guides the formation of neuronal networks across the central nervous system midline AMONG THE TASKS carried out by the many billions of neurons in the human central nervous system (CNS), left/right motor coordination, integration of brain function processing and synchronisa ...
... molecular crosstalks that guides the formation of neuronal networks across the central nervous system midline AMONG THE TASKS carried out by the many billions of neurons in the human central nervous system (CNS), left/right motor coordination, integration of brain function processing and synchronisa ...
Spinal Cord - eCurriculum
... matter, and supportive neuroglial cells. The gray matter is divided into dorsal (posterior), lateral and ventral (anterior) horns, and the intermediate zone. The white matter of the spinal cord consists of myelinated tracts, and supportive neuroglial cells (fibrous astrocytes, interfasicular oligode ...
... matter, and supportive neuroglial cells. The gray matter is divided into dorsal (posterior), lateral and ventral (anterior) horns, and the intermediate zone. The white matter of the spinal cord consists of myelinated tracts, and supportive neuroglial cells (fibrous astrocytes, interfasicular oligode ...
Sequencing the connectome. - Cold Spring Harbor Laboratory
... current sequencing cost as follows. The mouse cortex consists of about 4x106 neurons [22]. Suppose that each cortical neuron connects to about 103 other cortical neurons, so that there are 4x106 x 103 = 4x109 connections. If we assume that each barcode is 20 nucleotides, then we have 4x109 connectio ...
... current sequencing cost as follows. The mouse cortex consists of about 4x106 neurons [22]. Suppose that each cortical neuron connects to about 103 other cortical neurons, so that there are 4x106 x 103 = 4x109 connections. If we assume that each barcode is 20 nucleotides, then we have 4x109 connectio ...