somatosensation
... • Receptors in the joints give proprioceptive information based on stretch sensitive ion channels • Both dynamic and static proprioceptive information is ...
... • Receptors in the joints give proprioceptive information based on stretch sensitive ion channels • Both dynamic and static proprioceptive information is ...
THE PNS
... associated ganglia, and motor endings Provides links to and from the external environment Sensory receptors are structures specialized to respond to stimuli ...
... associated ganglia, and motor endings Provides links to and from the external environment Sensory receptors are structures specialized to respond to stimuli ...
reverse engineering of the visual system using networks of spiking
... the retina to transmit information to the brain[8]. Van Rullen used a very simple model of the retina, in which two different sets of neurones were used – On-centre and Offcentre cells. ON-centre cells respond best to a bright spot of light on a dark background, whereas the Off-centre cells prefer d ...
... the retina to transmit information to the brain[8]. Van Rullen used a very simple model of the retina, in which two different sets of neurones were used – On-centre and Offcentre cells. ON-centre cells respond best to a bright spot of light on a dark background, whereas the Off-centre cells prefer d ...
The Hypothalamus and Human Nervous System: A Primer
... The primary function of a neurotransmitter is to either: 1. Inhibit the transmission of a nerve impulse – inhibitory neurotransmitters. 2. Excite or stimulate the postsynaptic membrane – excitatory neurotransmitters. 3. Modulate or modify the release of a neurotransmitter – neuromodulators. Many neu ...
... The primary function of a neurotransmitter is to either: 1. Inhibit the transmission of a nerve impulse – inhibitory neurotransmitters. 2. Excite or stimulate the postsynaptic membrane – excitatory neurotransmitters. 3. Modulate or modify the release of a neurotransmitter – neuromodulators. Many neu ...
Fly MARCM and mouse MADM: Genetic methods of labeling and
... gene of interest, the daughter cell homozygous for the mutant gene (x) no longer contains GAL80. Therefore, the marker gene can be specifically turned on by GAL4 in homozygous mutant cells. Magenta rectangles and ovals indicate the GAL80 transgene and GAL80 protein respectively; orange rectangles an ...
... gene of interest, the daughter cell homozygous for the mutant gene (x) no longer contains GAL80. Therefore, the marker gene can be specifically turned on by GAL4 in homozygous mutant cells. Magenta rectangles and ovals indicate the GAL80 transgene and GAL80 protein respectively; orange rectangles an ...
Nerve
... (unstained by the Nissl method), and glial cells (small cells whose cytoplasm is difficult to see). You do not need to distinguish between types of CNS glia in this course. Find the more centrally located gray matter, which is shaped somewhat like a butterfly and contains the central canal of the sp ...
... (unstained by the Nissl method), and glial cells (small cells whose cytoplasm is difficult to see). You do not need to distinguish between types of CNS glia in this course. Find the more centrally located gray matter, which is shaped somewhat like a butterfly and contains the central canal of the sp ...
differentiation of neuronal types and synapses in myelinating
... a complex neuroepithelium which contains many types of neurons at various stages of maturation, as well as neuroglial, ependymal, and mesodermal cells. In the subsequent development of a culture, neurons might die, dedifferentiate, survive unaltered, or undergo some part of their normal maturation. ...
... a complex neuroepithelium which contains many types of neurons at various stages of maturation, as well as neuroglial, ependymal, and mesodermal cells. In the subsequent development of a culture, neurons might die, dedifferentiate, survive unaltered, or undergo some part of their normal maturation. ...
E(R) - Consciousness Online
... Attention is the system that satisfies the brain’s demand for information. It is controlled by decision variables related to active learning. These variables prioritize *reliable predictors that we can learn from *novel/uncertain/surprising stimuli that we can learn about. Two computations may iden ...
... Attention is the system that satisfies the brain’s demand for information. It is controlled by decision variables related to active learning. These variables prioritize *reliable predictors that we can learn from *novel/uncertain/surprising stimuli that we can learn about. Two computations may iden ...
Developmental Biology, 9e
... Few neuronal axons cross the midline of the CNS creating the hemispheres ...
... Few neuronal axons cross the midline of the CNS creating the hemispheres ...
sensory receptor
... The axons decussate in the brain stem or spinal cord before ascending. Consequently, all somatic sensory information from one side of the body reaches the thalamus on the opposite side. ...
... The axons decussate in the brain stem or spinal cord before ascending. Consequently, all somatic sensory information from one side of the body reaches the thalamus on the opposite side. ...
Sensory, Motor, and Integrative Systems
... The axons decussate in the brain stem or spinal cord before ascending. Consequently, all somatic sensory information from one side of the body reaches the thalamus on the opposite side. ...
... The axons decussate in the brain stem or spinal cord before ascending. Consequently, all somatic sensory information from one side of the body reaches the thalamus on the opposite side. ...
Slide 1 - Elsevier
... channel, and a Ca2+/calmodulin (CaM)-mediated desensitization of the CNG channel that underlies rapid odor adaptation. Several other mechanisms have also been described, including phosphodiesterase-mediated hydrolysis of the second messenger cAMP and phosphorylation of the OR by various kinases. ...
... channel, and a Ca2+/calmodulin (CaM)-mediated desensitization of the CNG channel that underlies rapid odor adaptation. Several other mechanisms have also been described, including phosphodiesterase-mediated hydrolysis of the second messenger cAMP and phosphorylation of the OR by various kinases. ...
Central nervous system
... Nervous Tissue • Transmission Across a Synapse – A synapse is a region where neurons nearly touch – Small gap between neurons is the synaptic cleft – Transmission across a synapse is carried out by neurotransmitters • Sudden rise in calcium in the axon terminal of one neuron • Calcium stimulates sy ...
... Nervous Tissue • Transmission Across a Synapse – A synapse is a region where neurons nearly touch – Small gap between neurons is the synaptic cleft – Transmission across a synapse is carried out by neurotransmitters • Sudden rise in calcium in the axon terminal of one neuron • Calcium stimulates sy ...
ciliated mucous membrane
... Identify the largest part of a neuron. Cell body Identify the long part of the neuron. Axon Identify the structures that can wrap around the axon to speed up impulses. Schwann cells Identify the last part of the neuron that send the impulse to the next neuron. Terminal branches Identify the space be ...
... Identify the largest part of a neuron. Cell body Identify the long part of the neuron. Axon Identify the structures that can wrap around the axon to speed up impulses. Schwann cells Identify the last part of the neuron that send the impulse to the next neuron. Terminal branches Identify the space be ...
Lecture 9B
... and myelination may be experience-dependent. • Considering the many variables affecting conduction delays in an adult brain, genetic instruction alone would seem inadequate to specify the optimal conduction velocity in every axon. • Neuronal ensembles encoding physical objects are located in the pos ...
... and myelination may be experience-dependent. • Considering the many variables affecting conduction delays in an adult brain, genetic instruction alone would seem inadequate to specify the optimal conduction velocity in every axon. • Neuronal ensembles encoding physical objects are located in the pos ...
File - Ms Curran`s Leaving Certificate Biology
... Touch Skin contains receptors for touch & temperature These are found in different concentrations in skin at various locations around the body. E.g. very few in the heel of the foot compared to the elbow which has several (this is why parents use their elbow to test the temp of a ...
... Touch Skin contains receptors for touch & temperature These are found in different concentrations in skin at various locations around the body. E.g. very few in the heel of the foot compared to the elbow which has several (this is why parents use their elbow to test the temp of a ...
Nervous System
... This sharp rise and fall of action potential is called a __________________. This could be described as a slight electrical disturbance in the neuron. The ______________________________________ is an electric current strong enough to induce the collapse of the resting potential in the adjacent ...
... This sharp rise and fall of action potential is called a __________________. This could be described as a slight electrical disturbance in the neuron. The ______________________________________ is an electric current strong enough to induce the collapse of the resting potential in the adjacent ...
Epigallocatechin-3-gallate treatment PERSPECTIVE
... functional recovery after nervous system injury Traumatic spinal cord injury (SCI) causes motor paralysis, sensory anesthesia and autonomic dysfunction below the lesion site and additionally some SCI patients refer neuropathic pain together with these signs and symptoms. Clinical and experimental st ...
... functional recovery after nervous system injury Traumatic spinal cord injury (SCI) causes motor paralysis, sensory anesthesia and autonomic dysfunction below the lesion site and additionally some SCI patients refer neuropathic pain together with these signs and symptoms. Clinical and experimental st ...
Skeletal System
... because it carries a nerve impulse and carries that impulse away from the cell body which meet the criteria which define an axon The peripheral by contrast carries nerve impulses toward the cell body which suggests that it is a dendrite However, the basic convention is that the central process and t ...
... because it carries a nerve impulse and carries that impulse away from the cell body which meet the criteria which define an axon The peripheral by contrast carries nerve impulses toward the cell body which suggests that it is a dendrite However, the basic convention is that the central process and t ...
Paralys
... Neurotrophins and Disease The activity of neurotrophins makes them an ideal candidate for therapeutic applications. Since dying neurons in the brain cannot be replaced, treatment options for neurodegenerative diseases like Alzheimer's and Lou Gehrig's disease are limited. Recent studies suggest that ...
... Neurotrophins and Disease The activity of neurotrophins makes them an ideal candidate for therapeutic applications. Since dying neurons in the brain cannot be replaced, treatment options for neurodegenerative diseases like Alzheimer's and Lou Gehrig's disease are limited. Recent studies suggest that ...
INTRODUCTION - Faculty & Staff Webpages
... – Autonomic sensory input is not consciously perceived. • The ANS also receives sensory input from somatic senses and special sensory neurons. • The autonomic motor neurons regulate visceral activities by either increasing (exciting) or decreasing (inhibiting) ongoing activities of cardiac muscle, s ...
... – Autonomic sensory input is not consciously perceived. • The ANS also receives sensory input from somatic senses and special sensory neurons. • The autonomic motor neurons regulate visceral activities by either increasing (exciting) or decreasing (inhibiting) ongoing activities of cardiac muscle, s ...
Introduction to the physiology of perception
... • The interpretation of sensory information (Hayes & Orrell, 1987) • A dynamic search for the best interpretation of available data (Gregory, 1966) • Perception is “the process of assembling sensations into a usable mental representation of the world” (Coon, 1983) • The processes by which stimuli ar ...
... • The interpretation of sensory information (Hayes & Orrell, 1987) • A dynamic search for the best interpretation of available data (Gregory, 1966) • Perception is “the process of assembling sensations into a usable mental representation of the world” (Coon, 1983) • The processes by which stimuli ar ...
Autonomic Nervous System (ANS)
... Sympathetic (Σ) division – “fight or flight” response Parasympathetic (PΣ) division – rest & repose (“conserve & restore”) response “dual innervation” – if organ receives both Σ & PΣ, one division excites, the other inhibits activity ...
... Sympathetic (Σ) division – “fight or flight” response Parasympathetic (PΣ) division – rest & repose (“conserve & restore”) response “dual innervation” – if organ receives both Σ & PΣ, one division excites, the other inhibits activity ...
Summary - Publikationsserver UB Marburg
... dopaminergic VTA neurons of young animals, whereas there were no changes observed in dopaminergic SN neurons. However, the expression of mRNA of these genes was mostly unchanged after a single in vivo injection of cocaine in adolescent and adult animals. Local application of dopamine on dopaminergi ...
... dopaminergic VTA neurons of young animals, whereas there were no changes observed in dopaminergic SN neurons. However, the expression of mRNA of these genes was mostly unchanged after a single in vivo injection of cocaine in adolescent and adult animals. Local application of dopamine on dopaminergi ...