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Chapter 35 Nervous System Notes Outline
... How do we sense light (vision)? a. Corneab. Irisc. Pupild. Lense. Retinaf. Rodsg. Conesh. Foveai. Optical nerve- ...
... How do we sense light (vision)? a. Corneab. Irisc. Pupild. Lense. Retinaf. Rodsg. Conesh. Foveai. Optical nerve- ...
Recitation Worksheet 11
... taste – for example, sweet is detected by taste cells that respond only to sweet, and each sweet taste cell is innervated only by neurons that carry sweet information. The olfactory system, however, uses population based coding where one olfactory neurons expresses only one kind of receptor, but eac ...
... taste – for example, sweet is detected by taste cells that respond only to sweet, and each sweet taste cell is innervated only by neurons that carry sweet information. The olfactory system, however, uses population based coding where one olfactory neurons expresses only one kind of receptor, but eac ...
NOV 2004 Paper 2 SECTION B Marker
... e.g. Na+-K+ pump / other suitable examples; may involve conformational change in carrier protein; moves ions / solutes; maintains chemical / electrical gradient; [5 max] (c) nerve impulse travels to end of presynaptic neuron; triggers influx of Ca2+; causes synaptic vesicles to fuse with membrane; r ...
... e.g. Na+-K+ pump / other suitable examples; may involve conformational change in carrier protein; moves ions / solutes; maintains chemical / electrical gradient; [5 max] (c) nerve impulse travels to end of presynaptic neuron; triggers influx of Ca2+; causes synaptic vesicles to fuse with membrane; r ...
Document
... (e.g., GABA and glycine) More negative than the resting membrane potential. Less likely to undergo AP. ...
... (e.g., GABA and glycine) More negative than the resting membrane potential. Less likely to undergo AP. ...
Receptor potential
... How is INTENSITY of stimulus detected? The stronger the stimulus, – the more neurotransmitter released by the receptor cell and – the more frequently the sensory neuron transmits action potentials to the brain. ...
... How is INTENSITY of stimulus detected? The stronger the stimulus, – the more neurotransmitter released by the receptor cell and – the more frequently the sensory neuron transmits action potentials to the brain. ...
Developmental regulation of Medium Spiny Neuron dendritic
... • Dendrites “sum-up” synaptic potentials, determining whether there will be an action potential in the axon • Shape and size of the dendritic arbor determines • Number of synapses • position of synapses with respect to the soma • May also affect the probability of being “found” by an axon durin ...
... • Dendrites “sum-up” synaptic potentials, determining whether there will be an action potential in the axon • Shape and size of the dendritic arbor determines • Number of synapses • position of synapses with respect to the soma • May also affect the probability of being “found” by an axon durin ...
Nervous System
... Cell Body: Life support center of the neuron. Dendrites: Branching extensions at the cell body. Receive messages from other neurons. Axon: Long single extension of a neuron, covered with myelin [MY-uh-lin] sheath to insulate and speed up messages through neurons. Terminal Branches of axon: Branched ...
... Cell Body: Life support center of the neuron. Dendrites: Branching extensions at the cell body. Receive messages from other neurons. Axon: Long single extension of a neuron, covered with myelin [MY-uh-lin] sheath to insulate and speed up messages through neurons. Terminal Branches of axon: Branched ...
feedback-poster
... Chunshui Cao , Xianming Liu ,Yi Yang , Yinan Yu, Jiang Wang ,Zilei Wang, Yongzhen Huang ,Liang Wang , Chang Huang, Wei Xu ,Deva Ramanan ,Thomas S. Huang ...
... Chunshui Cao , Xianming Liu ,Yi Yang , Yinan Yu, Jiang Wang ,Zilei Wang, Yongzhen Huang ,Liang Wang , Chang Huang, Wei Xu ,Deva Ramanan ,Thomas S. Huang ...
Chapter 12
... rate of action potential generation at the initial segment. The excitatory and inhibitory stimuli are integrated through interactions between postsynaptic potentials. These are graded potentials that develop in the postsynaptic Membrane in response to a neurotransmitter. The two major types of posts ...
... rate of action potential generation at the initial segment. The excitatory and inhibitory stimuli are integrated through interactions between postsynaptic potentials. These are graded potentials that develop in the postsynaptic Membrane in response to a neurotransmitter. The two major types of posts ...
THE CONTROL SYSTEMS
... represent "dendrites" bringing information to the cell body; your arm represents the "axon" taking information away from the cell body. ...
... represent "dendrites" bringing information to the cell body; your arm represents the "axon" taking information away from the cell body. ...
Nervous System
... • Some are purely sensory, some motor, and some are mixed • Largely concerned with head, neck, and face with the exception of the vagus nerve (X) which extends to thorax and abdomen ...
... • Some are purely sensory, some motor, and some are mixed • Largely concerned with head, neck, and face with the exception of the vagus nerve (X) which extends to thorax and abdomen ...
Chapter 15 Anatomy & Physiology
... photoreceptor, many layers of membranous discs are packed within the membrane sack. Photoreceptor pigments are located in these disks. When the photoreceptor is at rest, gated sodium channels are open in the outer segment causing depolarization at the synaptic end of the cell. Thus, in the dark, the ...
... photoreceptor, many layers of membranous discs are packed within the membrane sack. Photoreceptor pigments are located in these disks. When the photoreceptor is at rest, gated sodium channels are open in the outer segment causing depolarization at the synaptic end of the cell. Thus, in the dark, the ...
So it is the number of action potentials per second
... a) Receptor for this NT determines whether it is excitatory or inhibitory. Between a neuron and a muscle cell it is excitatory but the receptors on cardiac muscle cells generate an inhibitory responses to reduce strength of contraction and rate of heart beat. 2. Epinephrine and norepinephrine a) can ...
... a) Receptor for this NT determines whether it is excitatory or inhibitory. Between a neuron and a muscle cell it is excitatory but the receptors on cardiac muscle cells generate an inhibitory responses to reduce strength of contraction and rate of heart beat. 2. Epinephrine and norepinephrine a) can ...
Acetylcholinesterase in Neuron Survival and
... hardly any Regeneration happens at CNS! Result = neuron loss, functional impairment for rest of the life Each year 10,000 new spinal cord injury occurs in USA ...
... hardly any Regeneration happens at CNS! Result = neuron loss, functional impairment for rest of the life Each year 10,000 new spinal cord injury occurs in USA ...
Slide ()
... The olfactory system. Odorants are detected by olfactory sensory neurons in the olfactory epithelium, which lines part of the nasal cavity. The axons of these neurons project to the olfactory bulb where they terminate on mitral and tufted cell relay neurons within glomeruli. The relay neuron axons p ...
... The olfactory system. Odorants are detected by olfactory sensory neurons in the olfactory epithelium, which lines part of the nasal cavity. The axons of these neurons project to the olfactory bulb where they terminate on mitral and tufted cell relay neurons within glomeruli. The relay neuron axons p ...
VI. The vertebrate nervous system is a hierarchy of structural and
... hyperpolarization graded potentials action potential voltage-sensitive gates threshold potential Na+ gates refractory period all-or-none event ...
... hyperpolarization graded potentials action potential voltage-sensitive gates threshold potential Na+ gates refractory period all-or-none event ...
Alan Ruttenberg
... representation • Namefights – X should be called “basket cell”. Y should be called “basket cell” – X should be called “Hippocampus”. X should be called “Hippocampal region” ...
... representation • Namefights – X should be called “basket cell”. Y should be called “basket cell” – X should be called “Hippocampus”. X should be called “Hippocampal region” ...
CHAPTER 4
... Type NON-Gap junction// Pre-/Post-synaptic regions are NOT in direct contact, but they are very close (20-50 nm). ...
... Type NON-Gap junction// Pre-/Post-synaptic regions are NOT in direct contact, but they are very close (20-50 nm). ...
pttx
... 1) When an AP depolarizes the membrane at the synaptic terminal it 2) opens voltage-gated Ca++ channels, 3) the Ca++ that gets in causes vesicles full of neurotransmitter to empty (4). The neurotransmitter binds to ligand-gated ion channels. The result is a post-synaptic potential (PSP). PSPs are, u ...
... 1) When an AP depolarizes the membrane at the synaptic terminal it 2) opens voltage-gated Ca++ channels, 3) the Ca++ that gets in causes vesicles full of neurotransmitter to empty (4). The neurotransmitter binds to ligand-gated ion channels. The result is a post-synaptic potential (PSP). PSPs are, u ...
Chapter 12 The Nervous System
... of the Na+ channels open Na+ ions move into the axon, making the interior more positive than the outside of the neuron. This causes a depolarization in this area of the neuron, causing the polarity to be reversed area of the axon. The sodium rushes in displacing the potassium For a very short time ...
... of the Na+ channels open Na+ ions move into the axon, making the interior more positive than the outside of the neuron. This causes a depolarization in this area of the neuron, causing the polarity to be reversed area of the axon. The sodium rushes in displacing the potassium For a very short time ...
Circuits, Circuits
... 1. A start signal (e.g. Dance instructor says ”Begin”): STN excites SNr, which then inhibits all cortical oscillators, so they essentially RESET to off. 2. Oscillators then resume their normal diverse firing patterns, from same init state. 3. A stop signal (e.g. Dance instructor…): SNc releases dopa ...
... 1. A start signal (e.g. Dance instructor says ”Begin”): STN excites SNr, which then inhibits all cortical oscillators, so they essentially RESET to off. 2. Oscillators then resume their normal diverse firing patterns, from same init state. 3. A stop signal (e.g. Dance instructor…): SNc releases dopa ...
Target-cell-specific concentration of a metabotropic glutamate
... have at least a ten· fold higher level of presynaptic mGluR7 than terminals making synapses with pyramidal cells and other types of interneuron. Distinct levels of mGluR7 are fo und at different synapses made by individual pyramidal axons or even single boutons. These results raise the possibility t ...
... have at least a ten· fold higher level of presynaptic mGluR7 than terminals making synapses with pyramidal cells and other types of interneuron. Distinct levels of mGluR7 are fo und at different synapses made by individual pyramidal axons or even single boutons. These results raise the possibility t ...
The Nervous System
... GABA- inhibitory neurotransmitter Glycine- inhibitory neurotransmitter Norepinephrine- awakening from deep sleep tyrosine Epinephrine- increase heart rate Dopamine- movement of skeletal muscles Seratonin- sensory perception, temp regulation, mood, sleep Nitric oxide- may play a role in memory and le ...
... GABA- inhibitory neurotransmitter Glycine- inhibitory neurotransmitter Norepinephrine- awakening from deep sleep tyrosine Epinephrine- increase heart rate Dopamine- movement of skeletal muscles Seratonin- sensory perception, temp regulation, mood, sleep Nitric oxide- may play a role in memory and le ...
in Somatic Nervous System
... • Threshold potential • Action potential – Voltage-gated ion channels open and close. ...
... • Threshold potential • Action potential – Voltage-gated ion channels open and close. ...