PNS Study Guide
... 10. ***Draw a neuron. Label the neuron, dendrites, cell body, axon, Schwann cells, nodes of Ranvier, axon terminals, synapse and synaptic cleft. *** 11. Which part of the neuron RECEIVES information and which part of the neuron SENDS information away from the cell body? 12. What is the space called ...
... 10. ***Draw a neuron. Label the neuron, dendrites, cell body, axon, Schwann cells, nodes of Ranvier, axon terminals, synapse and synaptic cleft. *** 11. Which part of the neuron RECEIVES information and which part of the neuron SENDS information away from the cell body? 12. What is the space called ...
An Introductory to Statistical Models of Neural Data - Math
... -Via simpler point-process models Leaky stochastic IF model ...
... -Via simpler point-process models Leaky stochastic IF model ...
Study Questions - Nervous System
... ________ in the PNS, which produces a fatty substance called_____________. (11.4) 10. Describe 3 functions of Schwann cells. (11.4) 11. Glial cells in the CNS are called ______________________ and they differ from Schwann cells because they degenerate if the axon they enclose is removed. What is the ...
... ________ in the PNS, which produces a fatty substance called_____________. (11.4) 10. Describe 3 functions of Schwann cells. (11.4) 11. Glial cells in the CNS are called ______________________ and they differ from Schwann cells because they degenerate if the axon they enclose is removed. What is the ...
Neural Pathways
... quickly, but this causes the neighboring channels to open 4. it proceeds like a wave along the membrane to the tip of the axon 5. then it arrives at the synapse ...
... quickly, but this causes the neighboring channels to open 4. it proceeds like a wave along the membrane to the tip of the axon 5. then it arrives at the synapse ...
Information Integration and Decision Making in Humans and
... The variables x and y are unconditionally independent in one of the graphs above. In the other graph, they are conditionally independent given the ‘category’ they are chosen from, where this is represented by the symbol used on the data point, but they are not unconditionally independent. ...
... The variables x and y are unconditionally independent in one of the graphs above. In the other graph, they are conditionally independent given the ‘category’ they are chosen from, where this is represented by the symbol used on the data point, but they are not unconditionally independent. ...
chapter the nervous system and the effects of drugs
... The nervous system is like a very complicated computer. As in a computer, electrical signals travel throughout the system. Instead of the wires you would see in a computer, the nervous system is made up of nerve cells, or neurons. The neurons have gaps between them, called synapses, which an electri ...
... The nervous system is like a very complicated computer. As in a computer, electrical signals travel throughout the system. Instead of the wires you would see in a computer, the nervous system is made up of nerve cells, or neurons. The neurons have gaps between them, called synapses, which an electri ...
NEUROPHYSIOLOGY
... Every millisecond, more + charges leave the cell by diffusion than enter it. So the outside gains a slight + charge and the inside a negative charge The voltage gated Na+ and K+ channels are closed ...
... Every millisecond, more + charges leave the cell by diffusion than enter it. So the outside gains a slight + charge and the inside a negative charge The voltage gated Na+ and K+ channels are closed ...
3.13
... allows the reaction to propagate along the nerve cell—thus creating the observed impulse that travels along the cell. This localized large change in polarization, which is then reversed to the original polarization, is called an action potential. An example of an action potential is illustrated in F ...
... allows the reaction to propagate along the nerve cell—thus creating the observed impulse that travels along the cell. This localized large change in polarization, which is then reversed to the original polarization, is called an action potential. An example of an action potential is illustrated in F ...
O`Kane
... 18. Repolarization occurs A. when voltage-gated K+ channels are open. B. when voltage-gated Na+ channels are inactivated. C. when transmembrane potential becomes less positive (more negative). D. All of the above are correct. E. A and B are correct only. 19. Cerebrospinal fluid is produced when flui ...
... 18. Repolarization occurs A. when voltage-gated K+ channels are open. B. when voltage-gated Na+ channels are inactivated. C. when transmembrane potential becomes less positive (more negative). D. All of the above are correct. E. A and B are correct only. 19. Cerebrospinal fluid is produced when flui ...
Human Vision: Electrophysiology and Psychophysics
... The neuron is a superchip The neuron is the basic building block for all the activities in the brain – these activities are as diverse as • sensory function – vision, audition, touch, smell • motor functions – muscle contraction • perception eg • cognition For these functions, one neuron can receiv ...
... The neuron is a superchip The neuron is the basic building block for all the activities in the brain – these activities are as diverse as • sensory function – vision, audition, touch, smell • motor functions – muscle contraction • perception eg • cognition For these functions, one neuron can receiv ...
Nervous System Outline 1
... energy of the neuron from burning the overlying muscle tissue. It is analogous to the rubber covering on electrical wires. E. Synaptic Terminal - At the end of the axon. (“terminal” means “end”) F. Synapse - This is the gap between neurons or between a neuron and an effector cell. 1. Neurotransmitte ...
... energy of the neuron from burning the overlying muscle tissue. It is analogous to the rubber covering on electrical wires. E. Synaptic Terminal - At the end of the axon. (“terminal” means “end”) F. Synapse - This is the gap between neurons or between a neuron and an effector cell. 1. Neurotransmitte ...
Neurotransmisson Practice
... some of these extensions are insulated by a layer of fatty cells called the ______________, which help speed the neuron’s impulses. 3. The neural impulse, or ______________________-, is a brief electrical charge that travels down a neuron. 4. The junction between two neurons is called a ____________ ...
... some of these extensions are insulated by a layer of fatty cells called the ______________, which help speed the neuron’s impulses. 3. The neural impulse, or ______________________-, is a brief electrical charge that travels down a neuron. 4. The junction between two neurons is called a ____________ ...
The Nervous System
... Describe the structure and function of a neuron, with reference only to cell body, dendrites, axon, myelin sheath, Schwann cell, and neurotransmitter vesicles 5. Give the role and position of three types of neuron: a. sensory neurons - carry messages from the sense organ to the CNS b. motor neurons ...
... Describe the structure and function of a neuron, with reference only to cell body, dendrites, axon, myelin sheath, Schwann cell, and neurotransmitter vesicles 5. Give the role and position of three types of neuron: a. sensory neurons - carry messages from the sense organ to the CNS b. motor neurons ...
ActionPotentialWebquestCompleteGarrettIan
... 3. What happens to the inside of the cell when sodium ions flood into the cell? 4. After sodium ions have flooded into the cell and the sodium gates close, what happens to the potassium ions? 5. How does an action potential conduct along an axon? 6. Describe and draw an action potential. Part 3 – Io ...
... 3. What happens to the inside of the cell when sodium ions flood into the cell? 4. After sodium ions have flooded into the cell and the sodium gates close, what happens to the potassium ions? 5. How does an action potential conduct along an axon? 6. Describe and draw an action potential. Part 3 – Io ...
electrochemical impulse
... • The intensity of the stimulus must reach a set level called the threshold level before the signal will be sent. This threshold is important for it prevents small changes that don’t have an effect from sending a signal to the brain. Without the threshold, the sensory neurons would send signals cont ...
... • The intensity of the stimulus must reach a set level called the threshold level before the signal will be sent. This threshold is important for it prevents small changes that don’t have an effect from sending a signal to the brain. Without the threshold, the sensory neurons would send signals cont ...
File
... more permeable to Na+ Depolarization: Na+ rushes in making the inside more permeable and resulting in an ACTION POTENTIAL Repolarization: K+ flows out of the membrane restoring the resting potential ...
... more permeable to Na+ Depolarization: Na+ rushes in making the inside more permeable and resulting in an ACTION POTENTIAL Repolarization: K+ flows out of the membrane restoring the resting potential ...
The Neuron: The Basic Unit of Communication Neuron: Basic
... 2. Drugs can mimic or block the effects of a neurotransmitter by fitting into receptor sites and preventing the neurotransmitter from acting. For example, the drug curare produces almost instant paralysis by blocking acetylcholine receptor sites on motor neurons. 3. Drugs can affect the length of ti ...
... 2. Drugs can mimic or block the effects of a neurotransmitter by fitting into receptor sites and preventing the neurotransmitter from acting. For example, the drug curare produces almost instant paralysis by blocking acetylcholine receptor sites on motor neurons. 3. Drugs can affect the length of ti ...
document
... forced out of the cell. As the action potential peaks, Na+ channels close, and no more Na+ enters the cell. K+ is forced out of the cell, which decreases the charge inside the cell and K+ channels close. K+ ions trapped outside of the cell result in a temporary hyperpolarized membrane potential. Ion ...
... forced out of the cell. As the action potential peaks, Na+ channels close, and no more Na+ enters the cell. K+ is forced out of the cell, which decreases the charge inside the cell and K+ channels close. K+ ions trapped outside of the cell result in a temporary hyperpolarized membrane potential. Ion ...
HONORS BIOLOGY Chapter 28 Nervous Systems
... Synapses are junctions where signals are transmitted between Two neurons or between neurons and effector cells Electrical synapses ...
... Synapses are junctions where signals are transmitted between Two neurons or between neurons and effector cells Electrical synapses ...